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pre
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mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><35> Char Char";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
span.5CharChar
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><35> Char Char";
mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><35> Char";
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5CharChar0, li.5CharChar0, div.5CharChar0
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char Char";
mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char Char Char";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
span.5CharCharChar
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char Char Char";
mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char Char";
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5Char0, li.5Char0, div.5Char0
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5, li.5, div.5
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<EFBFBD><EFBFBD>;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
layout-grid-mode:char;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.2, li.2, div.2
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2;
margin:0cm;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.20, li.20, div.20
{mso-style-name:ͼ˵<EFBFBD><EFBFBD>2;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.21, li.21, div.21
{mso-style-name:<EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.3CharCharCharCharChar, li.3CharCharCharCharChar, div.3CharCharCharCharChar
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char Char Char Char Char";
mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char Char Char Char Char Char";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
line-height:9.0pt;
font-size:8.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
span.3CharCharCharCharCharChar
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char Char Char Char Char Char";
mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char Char Char Char Char";
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.a2, li.a2, div.a2
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.110, li.110, div.110
{mso-style-name:"<22><>ʽ <20><><EFBFBD><EFBFBD> 1 + <20><><EFBFBD><EFBFBD>1";
margin-right:0cm;
margin-left:0cm;
text-align:center;
page-break-after:avoid;
font-size:22.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
span.1Char
{mso-style-name:"<22><><EFBFBD><EFBFBD> 1 Char";
mso-style-link:"<22><><EFBFBD><EFBFBD> 1";
font-weight:bold;}
p.22, li.22, div.22
{mso-style-name:"<22><>ʽ <20>б<EFBFBD> 2 + <20><><EFBFBD><EFBFBD>";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.23, li.23, div.23
{mso-style-name:<EFBFBD>б<EFBFBD>2;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.50, li.50, div.50
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><EFBFBD>;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.111, li.111, div.111
{mso-style-name:<EFBFBD><EFBFBD>ʽ11;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:21.0pt;
margin-bottom:.0001pt;
text-align:center;
text-indent:-21.0pt;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.12, li.12, div.12
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1;
margin:0cm;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.13, li.13, div.13
{mso-style-name:ͼ˵<EFBFBD><EFBFBD>1;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.01, li.01, div.01
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>01;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:36.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.112, li.112, div.112
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>11;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:18.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.113, li.113, div.113
{mso-style-name:<EFBFBD>DZ<EFBFBD><EFBFBD><EFBFBD>11;
margin-top:7.8pt;
margin-right:0cm;
margin-bottom:7.8pt;
margin-left:0cm;
text-align:center;
font-size:22.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.14, li.14, div.14
{mso-style-name:<EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.3Char1, li.3Char1, div.3Char1
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char1";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
line-height:9.0pt;
font-size:8.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.post1, li.post1, div.post1
{mso-style-name:<EFBFBD>ʼ<EFBFBD>post1;
margin:0cm;
margin-bottom:.0001pt;
text-align:right;
line-height:11.0pt;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.31, li.31, div.31
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>31;
margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5Char1, li.5Char1, div.5Char1
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><35> Char1";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5CharChar1, li.5CharChar1, div.5CharChar1
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char Char1";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5Char10, li.5Char10, div.5Char10
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char1";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.51, li.51, div.51
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<EFBFBD><EFBFBD>1;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.120, li.120, div.120
{mso-style-name:<EFBFBD><EFBFBD>ʽ12;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:21.0pt;
margin-bottom:.0001pt;
text-align:center;
text-indent:-21.0pt;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.02, li.02, div.02
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>02;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:36.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.121, li.121, div.121
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>12;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:18.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.122, li.122, div.122
{mso-style-name:<EFBFBD>DZ<EFBFBD><EFBFBD><EFBFBD>12;
margin-top:7.8pt;
margin-right:0cm;
margin-bottom:7.8pt;
margin-left:0cm;
text-align:center;
font-size:22.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.3Char2, li.3Char2, div.3Char2
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char2";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
line-height:9.0pt;
font-size:8.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.post2, li.post2, div.post2
{mso-style-name:<EFBFBD>ʼ<EFBFBD>post2;
margin:0cm;
margin-bottom:.0001pt;
text-align:right;
line-height:11.0pt;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.32, li.32, div.32
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>32;
margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5Char2, li.5Char2, div.5Char2
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char2";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.52, li.52, div.52
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<EFBFBD><EFBFBD>2;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.3CharCharCharChar, li.3CharCharCharChar, div.3CharCharCharChar
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char Char Char Char";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
line-height:9.0pt;
font-size:8.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.130, li.130, div.130
{mso-style-name:<EFBFBD><EFBFBD>ʽ13;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:21.0pt;
margin-bottom:.0001pt;
text-align:center;
text-indent:-21.0pt;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.30, li.30, div.30
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3;
margin:0cm;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.03, li.03, div.03
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>03;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:36.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.131, li.131, div.131
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>13;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:18.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.132, li.132, div.132
{mso-style-name:<EFBFBD>DZ<EFBFBD><EFBFBD><EFBFBD>13;
margin-top:7.8pt;
margin-right:0cm;
margin-bottom:7.8pt;
margin-left:0cm;
text-align:center;
font-size:22.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.33, li.33, div.33
{mso-style-name:<EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.3Char3, li.3Char3, div.3Char3
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char3";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
line-height:9.0pt;
font-size:8.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.post3, li.post3, div.post3
{mso-style-name:<EFBFBD>ʼ<EFBFBD>post3;
margin:0cm;
margin-bottom:.0001pt;
text-align:right;
line-height:11.0pt;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.330, li.330, div.330
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>33;
margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5Char20, li.5Char20, div.5Char20
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD><35> Char2";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5CharChar2, li.5CharChar2, div.5CharChar2
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char Char2";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.5Char3, li.5Char3, div.5Char3
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<D0A1><35> Char3";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.53, li.53, div.53
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<EFBFBD><EFBFBD>3;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.3Char, li.3Char, div.3Char
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char";
mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char Char5";
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
line-height:9.0pt;
font-size:8.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
span.3CharChar5
{mso-style-name:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char Char5";
mso-style-link:<><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3 Char";
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.54, li.54, div.54
{mso-style-name:ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С5<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
margin:0cm;
margin-bottom:.0001pt;
line-height:9.0pt;
text-autospace:ideograph-numeric;
font-size:9.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.24, li.24, div.24
{mso-style-name:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD>Ŵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:22.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.15, li.15, div.15
{mso-style-name:"<22><>ʽ <20><><EFBFBD><EFBFBD> 1 + <20><><EFBFBD><EFBFBD>";
margin-top:17.0pt;
margin-right:0cm;
margin-bottom:16.5pt;
margin-left:0cm;
text-align:center;
page-break-after:avoid;
font-size:22.0pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
font-weight:bold;}
p.25, li.25, div.25
{mso-style-name:"<22><>ʽ <20><><EFBFBD><EFBFBD> 2 + <20>о<EFBFBD>\: <20><><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD>";
margin-top:13.0pt;
margin-right:0cm;
margin-bottom:13.0pt;
margin-left:28.9pt;
text-align:justify;
text-justify:inter-ideograph;
text-indent:-28.9pt;
page-break-after:avoid;
font-size:16.0pt;
font-family:"Arial","sans-serif";
font-weight:bold;}
span.2Char
{mso-style-name:"<22><><EFBFBD><EFBFBD> 2 Char";
mso-style-link:"<22><><EFBFBD><EFBFBD> 2";
font-family:"Arial","sans-serif";
font-weight:bold;}
p.34, li.34, div.34
{mso-style-name:<EFBFBD>б<EFBFBD>3;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.35, li.35, div.35
{mso-style-name:<EFBFBD><EFBFBD>3;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.4, li.4, div.4
{mso-style-name:ͼ˵<EFBFBD><EFBFBD>4;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.40, li.40, div.40
{mso-style-name:<EFBFBD>б<EFBFBD>4;
margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:21.0pt;
margin-bottom:.0001pt;
text-align:center;
text-indent:-21.0pt;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.41, li.41, div.41
{mso-style-name:<EFBFBD><EFBFBD>4;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.55, li.55, div.55
{mso-style-name:ͼ˵<EFBFBD><EFBFBD>5;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.56, li.56, div.56
{mso-style-name:<EFBFBD>б<EFBFBD>5;
margin:0cm;
margin-bottom:.0001pt;
text-align:center;
font-size:10.5pt;
font-family:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>;}
p.57, li.57, div.57
{mso-style-name:<EFBFBD><EFBFBD>5;
margin:0cm;
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span.Char3
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<p class=ab><span style='font-family:<3A><><EFBFBD><EFBFBD>'><EFBFBD><EFBFBD><EFBFBD><EFBFBD></span><span lang=EN-US>12-18 linux/fs/select.c</span></p>
<div class=a align=center style='text-align:center'><span lang=EN-US>
<hr size=4 width="100%" align=center>
</span></div>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>1</span></u> <b><i>/*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>2</span></u> <b><i>&nbsp;*
This file contains the procedures for the handling of select</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>3</span></u> <b><i>&nbsp;*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>4</span></u> <b><i>&nbsp;*
Created for Linux based loosely upon Mathius Lattner's minix</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>5</span></u> <b><i>&nbsp;*
patches by Peter MacDonald. Heavily edited by Linus.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>6</span></u> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>select()</span>ϵͳ<EFBFBD><EFBFBD><EFBFBD>õĹ<EFBFBD><EFBFBD>̡<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>Peter MacDonald</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>Mathius Lattner</span><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>MINIX</span>ϵͳ<EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޸Ķ<EFBFBD><EFBFBD>ɡ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>7</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>8</span></u>
#include &lt;linux/fs.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp; <u><span style='color:blue'>9</span></u>
#include &lt;linux/kernel.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>10</span></u>
#include &lt;linux/tty.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>11</span></u>
#include &lt;linux/sched.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>12</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>13</span></u>
#include &lt;asm/segment.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>14</span></u>
#include &lt;asm/system.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>15</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>16</span></u>
#include &lt;sys/stat.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>17</span></u>
#include &lt;sys/types.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>18</span></u>
#include &lt;string.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>19</span></u>
#include &lt;const.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>20</span></u>
#include &lt;errno.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>21</span></u>
#include &lt;sys/time.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>22</span></u>
#include &lt;signal.h&gt;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>23</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>24</span></u> <b><i>/*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>25</span></u> <b><i>&nbsp;*
Ok, Peter made a complicated, but straightforward multiple_wait() function.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>26</span></u> <b><i>&nbsp;*
I have rewritten this, taking some shortcuts: This code may not be easy to</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>27</span></u> <b><i>&nbsp;*
follow, but it should be free of race-conditions, and it's practical. If you</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>28</span></u> <b><i>&nbsp;*
understand what I'm doing here, then you understand how the linux sleep/wakeup</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>29</span></u> <b><i>&nbsp;*
mechanism works.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>30</span></u> <b><i>&nbsp;*</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>31</span></u> <b><i>&nbsp;*
Two very simple procedures, add_wait() and free_wait() make all the work. We</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>32</span></u> <b><i>&nbsp;*
have to have interrupts disabled throughout the select, but that's not really</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>33</span></u> <b><i>&nbsp;*
such a loss: sleeping automatically frees interrupts when we aren't in this</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>34</span></u> <b><i>&nbsp;*
task.</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>35</span></u> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * OK</span><EFBFBD><EFBFBD><span
lang=EN-US>Peter</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˸<EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>۵Ķ<EFBFBD><EFBFBD><span lang=EN-US>_wait()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҷ<EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˸<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ֮</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׿<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ھ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Һ<EFBFBD>ʵ<EFBFBD>ʡ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƵĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>Linux</span><EFBFBD><EFBFBD>˯<EFBFBD><EFBFBD><span lang=EN-US>/</span><EFBFBD><EFBFBD><EFBFBD>ѵĹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ơ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; *</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܼ򵥵Ĺ<EFBFBD><EFBFBD>̣<EFBFBD><span
lang=EN-US>add_wait()</span><EFBFBD><EFBFBD><span lang=EN-US>free_wait()</span>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>select</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD>жϡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̫<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ˯<EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>жϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><span
lang=EN-US>EFLAGS</span><EFBFBD>е<EFBFBD><EFBFBD>жϱ<EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>36</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>37</span></u>
typedef struct {</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>38</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
struct <u><span style='color:blue'>task_struct</span></u> * old_task;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>39</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
struct <u><span style='color:blue'>task_struct</span></u> ** wait_address;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>40</span></u> } <u><span
style='color:blue'>wait_entry</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>41</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>42</span></u>
typedef struct {</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>43</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
int nr;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>44</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>wait_entry</span></u> entry[<u><span
style='color:blue'>NR_OPEN</span></u>*3];</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>45</span></u> } <u><span
style='color:blue'>select_table</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>46</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>δ׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>wait_table</span><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>*wait_address</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>صĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>tty</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>secondary</span><EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>proc_list</span><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <span lang=EN-US>p</span><EFBFBD><EFBFBD><span
lang=EN-US>do_select()</span><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṹָ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>47</span></u>
static void <u><span style='color:blue'>add_wait</span></u>(struct <u><span
style='color:blue'>task_struct</span></u> ** wait_address, <u><span
style='color:blue'>select_table</span></u> * p)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>48</span></u> {</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>49</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
int i;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>50</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ж<EFBFBD>Ӧ<EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻ء<EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD>ڵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>ĵȴ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD>ڵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ù<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ù<EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD>̷<EFBFBD><EFBFBD>ء<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Թܵ<EFBFBD><EFBFBD>ļ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD>ڵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̽<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>51</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!wait_address)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>52</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>53</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
for (i = 0 ; i &lt; p-&gt;nr ; i++)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>54</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (p-&gt;entry[i].wait_address == wait_address)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>55</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ͷָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵȴ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>wait_table</span><EFBFBD>У<EFBFBD>ͬʱ<EFBFBD>õȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // old_task</span><EFBFBD>ֶ<EFBFBD>ָ<EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<span
lang=EN-US>NULL</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD>ָ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<span
lang=EN-US>nr</span><EFBFBD><EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><span lang=EN-US>179</span><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ϊ<span
lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>56</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
p-&gt;entry[p-&gt;nr].wait_address = wait_address;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>57</span></u>&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;p-&gt;entry[p-&gt;nr].old_task = * wait_address;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>58</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*wait_address = <u><span style='color:blue'>current</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>59</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
p-&gt;nr++;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>60</span></u> }</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>61</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>յȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṹָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>do_select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>ߺ󱻻<EFBFBD><EFBFBD>ѷ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>204</span><EFBFBD><EFBFBD><span
lang=EN-US>207</span><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><EFBFBD>ѵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD>ڸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>kernel/sched.c</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><span lang=EN-US>sleep_on()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD>벿<EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ο<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>sleep_on()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>62</span></u>
static void <u><span style='color:blue'>free_wait</span></u>(<u><span
style='color:blue'>select_table</span></u> * p)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>63</span></u> {</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>64</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
int i;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>65</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
struct <u><span style='color:blue'>task_struct</span></u> ** tpp;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>66</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>nr </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><EFBFBD>ĵȴ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD><EFBFBD><EFBFBD> <span
lang=EN-US>sleep_on() </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD><EFBFBD><EFBFBD>ڸõȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ָ<EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD>ǵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD>̣<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD>Ǿ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD>񡣲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><span
lang=EN-US>state = 0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϵȴ<EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Լ<EFBFBD>Ҫ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD>񱻻<EFBFBD><EFBFBD>Ѷ<EFBFBD>ִ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>е<EFBFBD><EFBFBD>ȳ<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>67</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
for (i = 0; i &lt; p-&gt;nr ; i++) {</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>68</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
tpp = p-&gt;entry[i].wait_address;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>69</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
while (*tpp &amp;&amp; *tpp != <u><span style='color:blue'>current</span></u>)
{</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>70</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(*tpp)-&gt;<u><span style='color:blue'>state</span></u> = 0;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>71</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>current</span></u>-&gt;<u><span style='color:blue'>state</span></u>
= <u><span style='color:blue'>TASK_UNINTERRUPTIBLE</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>72</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>schedule</span></u>();</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>73</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ִ<EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><span
lang=EN-US>wait_address</span>ָ<EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>գ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD><EFBFBD><EFBFBD>񣨵<EFBFBD><span
lang=EN-US>76</span><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ͷָ<EFBFBD><EFBFBD>ȷʵָ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>NULL</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>*tpp</span><EFBFBD><EFBFBD>Ϊ<EFBFBD>գ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>óɾ<EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><span
lang=EN-US>nr</span><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>74</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!*tpp)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>75</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>printk</span></u>(<i>&quot;free_wait: NULL&quot;</i>);</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>76</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (*tpp = p-&gt;entry[i].old_task)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>77</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(**tpp).<u><span style='color:blue'>state</span></u> = 0;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>78</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>79</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
p-&gt;nr = 0;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>80</span></u> }</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>81</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>ն<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>tty</span><EFBFBD>ṹָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span lang=EN-US>NULL</span><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>82</span></u>
static struct <u><span style='color:blue'>tty_struct</span></u> * <u><span
style='color:blue'>get_tty</span></u>(struct <u><span style='color:blue'>m_inode</span></u>
* inode)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>83</span></u> {</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>84</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
int major, minor;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>85</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>򷵻<EFBFBD><span
lang=EN-US>NULL</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ų<EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>5</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>նˣ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>4</span><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span lang=EN-US>NULL</span><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>86</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>S_ISCHR</span></u>(inode-&gt;i_mode))</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>87</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return <u><span style='color:blue'>NULL</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>88</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if ((major = <u><span style='color:blue'>MAJOR</span></u>(inode-&gt;i_zone[0]))
!= 5 &amp;&amp; major != 4)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>89</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return <u><span style='color:blue'>NULL</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>5</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD>ն<EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD>ڽ<EFBFBD><EFBFBD>̵<EFBFBD><span lang=EN-US>tty</span><EFBFBD>ֶ<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>š<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն<EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>п<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն˻<EFBFBD>û<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD>նˣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>NULL</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻ض<EFBFBD>Ӧ<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // tty</span><EFBFBD>ṹָ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>90</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (major == 5)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>91</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
minor = <u><span style='color:blue'>current</span></u>-&gt;tty;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>92</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>93</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;minor = <u><span style='color:blue'>MINOR</span></u>(inode-&gt;i_zone[0]);</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>94</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (minor &lt; 0)</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>95</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return <u><span style='color:blue'>NULL</span></u>;</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>96</span></u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return <u><span style='color:blue'>TTY_TABLE</span></u>(minor);</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>97</span></u> }</span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>98</span></u> </span></p>
<p class=a><span lang=EN-US>&nbsp;<u><span style='color:blue'>99</span></u> <b><i>/*</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>100</span></u><span
lang=EN-US> <b><i>&nbsp;* The check_XX functions check out a file. We know it's
either</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>101</span></u><span
lang=EN-US> <b><i>&nbsp;* a pipe, a character device or a fifo (fifo's not
implemented)</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>102</span></u><span
lang=EN-US> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * check_XX</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>Ҫô<EFBFBD>ǹܵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>Ҫô<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫô<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><span
lang=EN-US>FIFO</span><EFBFBD><EFBFBD><span lang=EN-US>FIFO</span><EFBFBD><EFBFBD>δʵ<EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն˶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>secondary</span><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߹ܵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>Ƿ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ա<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>wait</span><EFBFBD>ǵȴ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><span
lang=EN-US>inode</span><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɽ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span
lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>򷵻<EFBFBD><span lang=EN-US>0</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>103</span></u><span
lang=EN-US> static int <u><span style='color:blue'>check_in</span></u>(<u><span
style='color:blue'>select_table</span></u> * <u><span style='color:blue'>wait</span></u>,
struct <u><span style='color:blue'>m_inode</span></u> * inode)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>104</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>105</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; struct <u><span
style='color:blue'>tty_struct</span></u> * tty;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>106</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ȸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><span
lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>get_tty()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><span
lang=EN-US>tty</span><EFBFBD>նˣ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն˶<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>secondary</span><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<span
lang=EN-US>secondary</span>Ϊ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><span
lang=EN-US>secondary</span><EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>proc_list</span><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǹܵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ŀǰ<EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span
lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD>գ<EFBFBD><EFBFBD><EFBFBD>ѵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD>ܵ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD>ע<EFBFBD><span lang=EN-US>PIPE_EMPTY()</span><EFBFBD><EFBFBD>ʹ<EFBFBD>ùܵ<EFBFBD><EFBFBD><EFBFBD>ǰͷβָ<EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϹܵ<EFBFBD><EFBFBD>Ƿ<EFBFBD>ա<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ܵ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD><EFBFBD><span
lang=EN-US>i_zone[0]</span><EFBFBD><EFBFBD><span lang=EN-US>i_zone[1]</span><EFBFBD>ֶηֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Źܵ<EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD>ͷβָ<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>107</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (tty = <u><span
style='color:blue'>get_tty</span></u>(inode))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>108</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>EMPTY</span></u>(tty-&gt;secondary))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>109</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>110</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>111</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>add_wait</span></u>(&amp;tty-&gt;secondary-&gt;proc_list,
<u><span style='color:blue'>wait</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>112</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else if
(inode-&gt;i_pipe)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>113</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>PIPE_EMPTY</span></u>(*inode))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>114</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>115</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>116</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>add_wait</span></u>(&amp;inode-&gt;i_wait, <u><span
style='color:blue'>wait</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>117</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>118</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>119</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>write_q</span><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>п<EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD>ÿ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߴ<EFBFBD>ʱ<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>wait</span><EFBFBD>ǵȴ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><span lang=EN-US>inode</span><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɽ<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>120</span></u><span
lang=EN-US> static int <u><span style='color:blue'>check_out</span></u>(<u><span
style='color:blue'>select_table</span></u> * <u><span style='color:blue'>wait</span></u>,
struct <u><span style='color:blue'>m_inode</span></u> * inode)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>121</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>122</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; struct <u><span
style='color:blue'>tty_struct</span></u> * tty;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>123</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ȸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><span
lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>get_tty()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><span
lang=EN-US>tty</span><EFBFBD>նˣ<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>write_q</span><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>пռ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>пտռ<EFBFBD><EFBFBD><EFBFBD>ѵ<EFBFBD>ǰ<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><span lang=EN-US>write_q</span><EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>proc_list</span><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǹܵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>Ŀǰ<EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>пռ<EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span
lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD>ܵ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD>ĵȴ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>124</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (tty = <u><span
style='color:blue'>get_tty</span></u>(inode))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>125</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>FULL</span></u>(tty-&gt;write_q))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>126</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>127</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>128</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>add_wait</span></u>(&amp;tty-&gt;write_q-&gt;proc_list,
<u><span style='color:blue'>wait</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>129</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else if
(inode-&gt;i_pipe)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>130</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>PIPE_FULL</span></u>(*inode))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>131</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>132</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>133</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u><span
style='color:blue'>add_wait</span></u>(&amp;inode-&gt;i_wait, <u><span
style='color:blue'>wait</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>134</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>135</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>136</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>Ŀǰ<EFBFBD>ں<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹܵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѱ<EFBFBD><EFBFBD>رգ<EFBFBD><EFBFBD>򷵻<EFBFBD><span
lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ͱѵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD>ܵ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ĵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>wait</span><EFBFBD>ǵȴ<EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><span
lang=EN-US>inode</span><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span
lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><span lang=EN-US>0</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>137</span></u><span
lang=EN-US> static int <u><span style='color:blue'>check_ex</span></u>(<u><span
style='color:blue'>select_table</span></u> * <u><span style='color:blue'>wait</span></u>,
struct <u><span style='color:blue'>m_inode</span></u> * inode)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>138</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>139</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; struct <u><span
style='color:blue'>tty_struct</span></u> * tty;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>140</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>141</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (tty = <u><span
style='color:blue'>get_tty</span></u>(inode))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>142</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>FULL</span></u>(tty-&gt;write_q))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>143</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>144</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>145</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>146</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else if
(inode-&gt;i_pipe)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>147</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (inode-&gt;i_count &lt; 2)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>148</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>149</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>150</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>add_wait</span></u>(&amp;inode-&gt;i_wait,<u><span
style='color:blue'>wait</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>151</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>152</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>153</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // do_select() </span><EFBFBD><EFBFBD><EFBFBD>ں<EFBFBD>ִ<EFBFBD><EFBFBD><span
lang=EN-US>select()</span>ϵͳ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ʵ<EFBFBD>ʴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>и<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD>ԣ<EFBFBD>Ȼ<EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>check_XX()</span><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>飬ͬʱͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ǰ<EFBFBD>Ѿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̷<EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̾ͻ<EFBFBD><EFBFBD>ڱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹ<EFBFBD><EFBFBD>˳<EFBFBD>ʱʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵĽ<EFBFBD><EFBFBD>̱<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѷ<EFBFBD>ʹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>154</span></u><span
lang=EN-US> int <u><span style='color:blue'>do_select</span></u>(<u><span
style='color:blue'>fd_set</span></u> in, <u><span style='color:blue'>fd_set</span></u>
out, <u><span style='color:blue'>fd_set</span></u> ex,</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>155</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>fd_set</span></u> *inp, <u><span style='color:blue'>fd_set</span></u>
*outp, <u><span style='color:blue'>fd_set</span></u> *exp)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>156</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>157</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int <u><span
style='color:blue'>count</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;//
</span><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>158</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>select_table</span></u> wait_table;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>159</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int i;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>160</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>fd_set</span></u> mask;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>161</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>Ȱ<EFBFBD><span lang=EN-US>3</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>mask</span><EFBFBD>еõ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>롣 Ȼ<><C8BB></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ѭ<EFBFBD><EFBFBD><EFBFBD>жϵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD≯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD>Ұ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڡ<EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>ÿ<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ͻ<EFBFBD><EFBFBD><span lang=EN-US>mask</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>1</span>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˸<EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>mask</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>ǾͿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ܵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><span
lang=EN-US>FIFO</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵Ķ<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>EBADF</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>162</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mask = in | out |
ex;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>163</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (i = 0 ; i &lt;
<u><span style='color:blue'>NR_OPEN</span></u> ; i++,mask &gt;&gt;= 1) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>164</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!(mask &amp; 1))&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>165</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
continue;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>166</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>current</span></u>-&gt;filp[i])&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>δ<EFBFBD>򿪣<EFBFBD><EFBFBD>򷵻<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>167</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return -<u><span style='color:blue'>EBADF</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>168</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (!<u><span style='color:blue'>current</span></u>-&gt;filp[i]-&gt;f_inode)&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><span lang=EN-US>i</span><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD>գ<EFBFBD><EFBFBD>򷵻ش<EFBFBD><EFBFBD><EFBFBD>š<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>169</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return -<u><span style='color:blue'>EBADF</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>170</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>current</span></u>-&gt;filp[i]-&gt;f_inode-&gt;i_pipe)
// </span><EFBFBD><EFBFBD><EFBFBD>ǹܵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>171</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
continue;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>172</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>S_ISCHR</span></u>(<u><span style='color:blue'>current</span></u>-&gt;filp[i]-&gt;f_inode-&gt;i_mode))
// </span><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>173</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
continue;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>174</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
(<u><span style='color:blue'>S_ISFIFO</span></u>(<u><span style='color:blue'>current</span></u>-&gt;filp[i]-&gt;f_inode-&gt;i_mode))
// FIFO</span>Ҳ<EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>175</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
continue;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>176</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return -<u><span style='color:blue'>EBADF</span></u>;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ء<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>177</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ʼѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>3</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<span lang=EN-US>mask</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>롣ѭ<EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><span
lang=EN-US>3</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>check_in()</span><EFBFBD><EFBFBD><span lang=EN-US>check_out()</span><EFBFBD><EFBFBD><span
lang=EN-US>check_ex()</span><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>Ѿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>á<EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ұ<EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<span
lang=EN-US>count</span><EFBFBD><EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>183</span><EFBFBD><EFBFBD><span
lang=EN-US>for</span>ѭ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><span lang=EN-US> mask += mask</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD> <span lang=EN-US>mask&lt;&lt;
1</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>178</span></u><span
lang=EN-US> repeat:</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>179</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; wait_table.nr = 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>180</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *inp = *outp = *exp
= 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>181</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>count</span></u> = 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>182</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mask = 1;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>183</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for (i = 0 ; i &lt;
<u><span style='color:blue'>NR_OPEN</span></u> ; i++, mask += mask) {</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>жϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>in</span><EFBFBD>ж<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>Ϊ<span lang=EN-US>1</span><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<span
lang=EN-US>count</span><EFBFBD><EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>184</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (mask &amp; in)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>185</span></u><span
lang=EN-US>&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
(<u><span style='color:blue'>check_in</span></u>(&amp;wait_table,<u><span
style='color:blue'>current</span></u>-&gt;filp[i]-&gt;f_inode)) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>186</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*inp |= mask;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>187</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u>++;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>188</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>жϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ÿ<EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>out</span><EFBFBD>ж<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>Ϊ<span lang=EN-US>1</span><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<span
lang=EN-US>count</span><EFBFBD><EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>189</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (mask &amp; out)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>190</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>check_out</span></u>(&amp;wait_table,<u><span
style='color:blue'>current</span></u>-&gt;filp[i]-&gt;f_inode)) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>191</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*outp |= mask;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>192</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u>++;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>193</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>жϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֣<EFBFBD><EFBFBD><EFBFBD>Ѹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>ex</span><EFBFBD>ж<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD>Ϊ<span
lang=EN-US>1</span><EFBFBD><EFBFBD>ͬʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<span lang=EN-US>count</span><EFBFBD><EFBFBD><span
lang=EN-US>1</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>194</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (mask &amp; ex)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>195</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
if (<u><span style='color:blue'>check_ex</span></u>(&amp;wait_table,<u><span
style='color:blue'>current</span></u>-&gt;filp[i]-&gt;f_inode)) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>196</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
*exp |= mask;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>197</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>count</span></u>++;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>198</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
}</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>199</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ڶԽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>з<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>count==0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҵ<EFBFBD>ʱ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD>κη<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>źţ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҵ<EFBFBD>ʱ<EFBFBD>еȴ<EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵȴ<EFBFBD>ʱ<EFBFBD>仹û<EFBFBD>г<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ǾͰѵ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD><EFBFBD>óɿ<EFBFBD><EFBFBD>ж<EFBFBD>˯<EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD>ִ<EFBFBD>е<EFBFBD><EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD>ȥִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>񡣵<EFBFBD><EFBFBD>ں<EFBFBD><EFBFBD><EFBFBD>һ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ε<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>͵<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>free_wait()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>صȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // repeat</span><EFBFBD><EFBFBD>Ŵ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>178</span><EFBFBD>У<EFBFBD><EFBFBD>ٴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǹ<EFBFBD><EFBFBD>ĵģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>еģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>á<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>200</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;if (!(<u><span
style='color:blue'>current</span></u>-&gt;signal &amp; ~current-&gt;blocked)
&amp;&amp;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>201</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
(wait_table.nr || <u><span style='color:blue'>current</span></u>-&gt;timeout)
&amp;&amp; !<u><span style='color:blue'>count</span></u>) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>202</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>current</span></u>-&gt;<u><span style='color:blue'>state</span></u>
= <u><span style='color:blue'>TASK_INTERRUPTIBLE</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>203</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>schedule</span></u>();</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>204</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>free_wait</span></u>(&amp;wait_table);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>񱻻<EFBFBD><EFBFBD>ѷ<EFBFBD><EFBFBD>غ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼִ<EFBFBD>С<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>205</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
goto repeat;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>206</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<span lang=EN-US>count</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߽<EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>źţ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߵȴ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD>Ǿ͵<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>free_wait()</span><EFBFBD><EFBFBD><EFBFBD>ѵȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD>󷵻<EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>207</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>free_wait</span></u>(&amp;wait_table);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>208</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return <u><span
style='color:blue'>count</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>209</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>210</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>211</span></u><span
lang=EN-US> <b><i>/*</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>212</span></u><span
lang=EN-US> <b><i>&nbsp;* Note that we cannot return -ERESTARTSYS, as we change
our input</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>213</span></u><span
lang=EN-US> <b><i>&nbsp;* parameters. Sad, but there you are. We could do some
tweaking in</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>214</span></u><span
lang=EN-US> <b><i>&nbsp;* the library function ...</i></b></span></p>
<p class=a><u><span lang=EN-US style='color:blue'>215</span></u><span
lang=EN-US> <b><i>&nbsp;*/</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /*</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Dz<EFBFBD><EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>-ERESTARTSYS</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>ǻ<EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>select</span><EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><EFBFBD><EFBFBD><EFBFBD>иı<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><span
lang=EN-US>*timeout</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܲ<EFBFBD><EFBFBD>ң<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳֻ<EFBFBD>ܽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; * </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڿ⺯<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>...</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp; */</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // select</span>ϵͳ<EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD>еĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>select</span><EFBFBD><EFBFBD><EFBFBD>ܲ<EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƺ<EFBFBD>ת<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>select</span><EFBFBD><EFBFBD>Ҫ<EFBFBD>Ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>do_select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD><span lang=EN-US>sys_select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȸ<EFBFBD><EFBFBD>ݲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿռ<EFBFBD><EFBFBD> <span
lang=EN-US>select() </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õIJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ⸴<EFBFBD>Ƶ<EFBFBD><EFBFBD>ں˿ռ䣬Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ȴ<EFBFBD><EFBFBD>ij<EFBFBD>ʱʱ<EFBFBD><EFBFBD>ֵ<span
lang=EN-US>timeout</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ŵ<EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>do_select() </span>ִ<EFBFBD><EFBFBD> <span
lang=EN-US>select</span><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>غ<EFBFBD>ͰѴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>ٸ<EFBFBD><EFBFBD>ƻ<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD>С<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>buffer</span>ָ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵС<EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD>ʾִ<EFBFBD><EFBFBD>ʱ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD>ڹ涨<EFBFBD>ȴ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>216</span></u><span
lang=EN-US> int <u><span style='color:blue'>sys_select</span></u>( unsigned
long *buffer )</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>217</span></u><span
lang=EN-US> {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>218</span></u><span
lang=EN-US> <b><i>/* Perform the select(nd, in, out, ex, tv) system call. */</i></b></span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; /* </span>ִ<EFBFBD><EFBFBD><span lang=EN-US>select(nd,
in, out, ex, tv)</span>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US> */</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ȶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڰ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ⿪<EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>219</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; int i;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>220</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>fd_set</span></u> res_in, in = 0, *inp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>221</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>fd_set</span></u> res_out, out = 0, *outp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>222</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>fd_set</span></u> res_ex, ex = 0, *exp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>223</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>fd_set</span></u> mask;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>Χ<EFBFBD><EFBFBD><span lang=EN-US>nd</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>224</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; struct <u><span
style='color:blue'>timeval</span></u> *tvp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD>ȴ<EFBFBD>ʱ<EFBFBD><EFBFBD>ṹָ<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>225</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; unsigned long
timeout;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>226</span></u><span
lang=EN-US> </span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD>ֲ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD>ֱ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ȡ<EFBFBD><EFBFBD><span lang=EN-US>3</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>in</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>out</span><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>ex</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<span lang=EN-US>mask </span>Ҳ<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>3</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<span
lang=EN-US>+1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>1</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>nd</span><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ó<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>nd = 4</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>mask = 0b00001111</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>32</span><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>227</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mask = ~((~0)
&lt;&lt; <u><span style='color:blue'>get_fs_long</span></u>(buffer++));</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>228</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; inp = (<u><span
style='color:blue'>fd_set</span></u> *) <u><span style='color:blue'>get_fs_long</span></u>(buffer++);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>229</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; outp = (<u><span
style='color:blue'>fd_set</span></u> *) <u><span style='color:blue'>get_fs_long</span></u>(buffer++);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>230</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; exp = (<u><span
style='color:blue'>fd_set</span></u> *) <u><span style='color:blue'>get_fs_long</span></u>(buffer++);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>231</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tvp = (struct <u><span
style='color:blue'>timeval</span></u> *) <u><span style='color:blue'>get_fs_long</span></u>(buffer);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>232</span></u><span
lang=EN-US> </span></p>
<p class=a><u><span lang=EN-US style='color:blue'>233</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (inp)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>234</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
in = mask &amp; <u><span style='color:blue'>get_fs_long</span></u>(inp);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>235</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (outp)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡд<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>236</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
out = mask &amp; <u><span style='color:blue'>get_fs_long</span></u>(outp);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>237</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (exp)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>238</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
ex = mask &amp; <u><span style='color:blue'>get_fs_long</span></u>(exp);</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>dz<EFBFBD><EFBFBD>Դ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>ߣ<EFBFBD>ʱ<EFBFBD><EFBFBD>ֵ<span
lang=EN-US>timeout</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȱ<EFBFBD><span lang=EN-US>timeout</span><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ޣ<EFBFBD>ֵ<EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿռ<EFBFBD>ȡ<EFBFBD>ø<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ʱ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD>ǰ<EFBFBD>δ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ֵ<span lang=EN-US>jiffies</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD>ֵ
<span lang=EN-US>timeout</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>õȴ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>241</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>tv_usec</span><EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD>΢<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>1000000</span><EFBFBD><EFBFBD>ɵõ<EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٳ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>ϵͳÿ<EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>HZ</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>tv_usec</span>ת<EFBFBD><EFBFBD><EFBFBD>ɵδ<EFBFBD>ֵ<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>239</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; timeout =
0xffffffff;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>240</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (tvp) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>241</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
timeout = <u><span style='color:blue'>get_fs_long</span></u>((unsigned long
*)&amp;tvp-&gt;tv_usec)/(1000000/<u><span style='color:blue'>HZ</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>242</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
timeout += <u><span style='color:blue'>get_fs_long</span></u>((unsigned long
*)&amp;tvp-&gt;tv_sec) * <u><span style='color:blue'>HZ</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>243</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
timeout += <u><span style='color:blue'>jiffies</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>244</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>245</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>current</span></u>-&gt;timeout = timeout;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;// </span><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ĵδ<EFBFBD>ֵ<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>do_select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD>øú<EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD>Ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڰѴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>˱<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>do_select()</span>ǰ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD>ֹ<EFBFBD>жϣ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>ڸú<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>غ<EFBFBD><EFBFBD>ٿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϡ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span lang=EN-US>do_select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵ĵȴ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ֶ<EFBFBD><span
lang=EN-US>timeout</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ǰϵͳ<EFBFBD><EFBFBD>ʱ<EFBFBD>δ<EFBFBD>ֵ<span lang=EN-US>jiffies</span><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>˵<EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD>ʱ֮ǰ<EFBFBD>Ѿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><EFBFBD>µ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǻ<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̵ĵȴ<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ֶ<EFBFBD><span
lang=EN-US>timeout</span><EFBFBD>Ѿ<EFBFBD>С<EFBFBD>ڻ<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ǰϵͳ<span lang=EN-US>jiffies</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ʾ<span lang=EN-US>do_select()</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڳ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD><EFBFBD><EFBFBD>˰<EFBFBD>ʣ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<span
lang=EN-US>0</span><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>246</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>cli</span></u>();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD>ֹ<EFBFBD><EFBFBD>Ӧ<EFBFBD>жϡ<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>247</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; i = <u><span
style='color:blue'>do_select</span></u>(in, out, ex, &amp;res_in, &amp;res_out,
&amp;res_ex);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>248</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (<u><span
style='color:blue'>current</span></u>-&gt;timeout &gt; <u><span
style='color:blue'>jiffies</span></u>)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>249</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
timeout = <u><span style='color:blue'>current</span></u>-&gt;timeout - <u><span
style='color:blue'>jiffies</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>250</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>251</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
timeout = 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>252</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>sti</span></u>();&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰѽ<EFBFBD><EFBFBD>̵ij<EFBFBD>ʱ<EFBFBD>ֶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><span
lang=EN-US>do_select()</span><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><EFBFBD><span lang=EN-US>0</span><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ</p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span>ִ<EFBFBD>г<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>š<EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰѴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݺ<EFBFBD><EFBFBD>ӳ<EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD>ص<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD>дʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>Ƚ<EFBFBD><EFBFBD>δ<EFBFBD>ʱ<EFBFBD>䵥λ<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ʣ<EFBFBD><EFBFBD><EFBFBD>ӳ<EFBFBD>ʱ<EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD>΢<EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>253</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u><span
style='color:blue'>current</span></u>-&gt;timeout = 0;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>254</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (i &lt; 0)</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>255</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return i;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>256</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (inp) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>257</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>verify_area</span></u>(inp, 4);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>258</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>put_fs_long</span></u>(res_in,inp);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>259</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>260</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (outp) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>261</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>verify_area</span></u>(outp,4);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>262</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>put_fs_long</span></u>(res_out,outp);&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD>д<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>263</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>264</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (exp) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>265</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>verify_area</span></u>(exp,4);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>266</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>put_fs_long</span></u>(res_ex,exp);&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
// </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>267</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>268</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (tvp) {</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>269</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>verify_area</span></u>(tvp, sizeof(*tvp));</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>270</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>put_fs_long</span></u>(timeout/<u><span
style='color:blue'>HZ</span></u>, (unsigned long *) &amp;tvp-&gt;tv_sec);&nbsp;
// </span><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>271</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
timeout %= <u><span style='color:blue'>HZ</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>272</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
timeout *= (1000000/<u><span style='color:blue'>HZ</span></u>);</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>273</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<u><span style='color:blue'>put_fs_long</span></u>(timeout, (unsigned long *)
&amp;tvp-&gt;tv_usec);&nbsp; // </span>΢<EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>274</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</span></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD>ij<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>źţ<EFBFBD><EFBFBD>򷵻ر<EFBFBD><EFBFBD>жϴ<EFBFBD><EFBFBD><EFBFBD>š<EFBFBD></p>
<p class=a><span lang=EN-US>&nbsp;&nbsp;&nbsp; // </span><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD></p>
<p class=a><u><span lang=EN-US style='color:blue'>275</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (!i &amp;&amp; (<u><span
style='color:blue'>current</span></u>-&gt;signal &amp; ~current-&gt;blocked))</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>276</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
return -<u><span style='color:blue'>EINTR</span></u>;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>277</span></u><span
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return i;</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>278</span></u><span
lang=EN-US> }</span></p>
<p class=a><u><span lang=EN-US style='color:blue'>279</span></u><span
lang=EN-US> </span></p>
<div class=a align=center style='text-align:center'><span lang=EN-US>
<hr size=4 width="100%" align=center>
</span></div>
<p class=MsoNormal><span lang=EN-US>&nbsp;</span></p>
<p class=MsoNormal><span lang=EN-US>&nbsp;</span></p>
</div>
</body>
</html>