247 lines
5.9 KiB
HTML
247 lines
5.9 KiB
HTML
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<!-- Copyright (c) 2001 The Open Group, All Rights Reserved -->
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<title><syslog.h></title>
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<basefont size="3"> <a name="<syslog.h>"></a> <a name="tag_13_72"></a><!-- <syslog.h> -->
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<!--header start-->
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<center><font size="2">The Open Group Base Specifications Issue 6<br>
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IEEE Std 1003.1-2001<br>
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Copyright © 2001 The IEEE and The Open Group, All Rights reserved.</font></center>
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<!--header end-->
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<hr size="2" noshade>
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<h4><a name="tag_13_72_01"></a>NAME</h4>
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<blockquote>syslog.h - definitions for system error logging</blockquote>
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<h4><a name="tag_13_72_02"></a>SYNOPSIS</h4>
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<blockquote class="synopsis">
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<div class="box"><tt><sup>[<a href="javascript:open_code('XSI')">XSI</a>]</sup> <img src="../images/opt-start.gif" alt=
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"[Option Start]" border="0"> #include <syslog.h> <img src="../images/opt-end.gif" alt="[Option End]" border="0"></tt></div>
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</blockquote>
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<h4><a name="tag_13_72_03"></a>DESCRIPTION</h4>
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<blockquote>
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<p>The <i><syslog.h></i> header shall define the following symbolic constants, zero or more of which may be OR'ed together to
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form the <i>logopt</i> option of <a href="../functions/openlog.html"><i>openlog</i>()</a>:</p>
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<dl compact>
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<dt>LOG_PID</dt>
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<dd>Log the process ID with each message.</dd>
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<dt>LOG_CONS</dt>
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<dd>Log to the system console on error.</dd>
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<dt>LOG_NDELAY</dt>
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<dd>Connect to syslog daemon immediately.</dd>
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<dt>LOG_ODELAY</dt>
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<dd>Delay open until <a href="../functions/syslog.html"><i>syslog</i>()</a> is called.</dd>
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<dt>LOG_NOWAIT</dt>
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<dd>Do not wait for child processes.</dd>
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</dl>
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<p>The following symbolic constants shall be defined as possible values of the <i>facility</i> argument to <a href=
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"../functions/openlog.html"><i>openlog</i>()</a>:</p>
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<dl compact>
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<dt>LOG_KERN</dt>
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<dd>Reserved for message generated by the system.</dd>
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<dt>LOG_USER</dt>
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<dd>Message generated by a process.</dd>
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<dt>LOG_MAIL</dt>
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<dd>Reserved for message generated by mail system.</dd>
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<dt>LOG_NEWS</dt>
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<dd>Reserved for message generated by news system.</dd>
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<dt>LOG_UUCP</dt>
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<dd>Reserved for message generated by UUCP system.</dd>
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<dt>LOG_DAEMON</dt>
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<dd>Reserved for message generated by system daemon.</dd>
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<dt>LOG_AUTH</dt>
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<dd>Reserved for message generated by authorization daemon.</dd>
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<dt>LOG_CRON</dt>
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<dd>Reserved for message generated by clock daemon.</dd>
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<dt>LOG_LPR</dt>
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<dd>Reserved for message generated by printer system.</dd>
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<dt>LOG_LOCAL0</dt>
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<dd>Reserved for local use.</dd>
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<dt>LOG_LOCAL1</dt>
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<dd>Reserved for local use.</dd>
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<dt>LOG_LOCAL2</dt>
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<dd>Reserved for local use.</dd>
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<dt>LOG_LOCAL3</dt>
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<dd>Reserved for local use.</dd>
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<dt>LOG_LOCAL4</dt>
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<dd>Reserved for local use.</dd>
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<dt>LOG_LOCAL5</dt>
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<dd>Reserved for local use.</dd>
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<dt>LOG_LOCAL6</dt>
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<dd>Reserved for local use.</dd>
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<dt>LOG_LOCAL7</dt>
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<dd>Reserved for local use.</dd>
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</dl>
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<p>The following shall be declared as macros for constructing the <i>maskpri</i> argument to <a href=
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"../functions/setlogmask.html"><i>setlogmask</i>()</a>. The following macros expand to an expression of type <b>int</b> when the
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argument <i>pri</i> is an expression of type <b>int</b>:</p>
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<dl compact>
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<dt>LOG_MASK(<i>pri</i>)</dt>
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<dd>A mask for priority <i>pri</i>.</dd>
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</dl>
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<p>The following constants shall be defined as possible values for the <i>priority</i> argument of <a href=
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"../functions/syslog.html"><i>syslog</i>()</a>:</p>
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<dl compact>
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<dt>LOG_EMERG</dt>
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<dd>A panic condition was reported to all processes.</dd>
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<dt>LOG_ALERT</dt>
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<dd>A condition that should be corrected immediately.</dd>
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<dt>LOG_CRIT</dt>
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<dd>A critical condition.</dd>
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<dt>LOG_ERR</dt>
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<dd>An error message.</dd>
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<dt>LOG_WARNING</dt>
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<dd>A warning message.</dd>
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<dt>LOG_NOTICE</dt>
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<dd>A condition requiring special handling.</dd>
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<dt>LOG_INFO</dt>
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<dd>A general information message.</dd>
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<dt>LOG_DEBUG</dt>
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<dd>A message useful for debugging programs.</dd>
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</dl>
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<p>The following shall be declared as functions and may also be defined as macros. Function prototypes shall be provided.</p>
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<pre>
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<tt>void closelog(void);
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void openlog(const char *, int, int);
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int setlogmask(int);
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void syslog(int, const char *, ...);
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</tt>
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</pre>
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</blockquote>
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<hr>
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<div class="box"><em>The following sections are informative.</em></div>
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<h4><a name="tag_13_72_04"></a>APPLICATION USAGE</h4>
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<blockquote>
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<p>None.</p>
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</blockquote>
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<h4><a name="tag_13_72_05"></a>RATIONALE</h4>
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<blockquote>
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<p>None.</p>
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</blockquote>
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<h4><a name="tag_13_72_06"></a>FUTURE DIRECTIONS</h4>
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<blockquote>
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<p>None.</p>
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</blockquote>
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<h4><a name="tag_13_72_07"></a>SEE ALSO</h4>
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<blockquote>
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<p>The System Interfaces volume of IEEE Std 1003.1-2001, <a href="../functions/closelog.html"><i>closelog</i>()</a></p>
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</blockquote>
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<h4><a name="tag_13_72_08"></a>CHANGE HISTORY</h4>
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<blockquote>
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<p>First released in Issue 4, Version 2.</p>
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</blockquote>
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<h4><a name="tag_13_72_09"></a>Issue 5</h4>
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<blockquote>
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<p>Moved from X/Open UNIX to BASE.</p>
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</blockquote>
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<div class="box"><em>End of informative text.</em></div>
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<hr>
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<hr size="2" noshade>
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<center><font size="2"><!--footer start-->
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UNIX ® is a registered Trademark of The Open Group.<br>
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POSIX ® is a registered Trademark of The IEEE.<br>
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[ <a href="../mindex.html">Main Index</a> | <a href="../basedefs/contents.html">XBD</a> | <a href=
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"../utilities/contents.html">XCU</a> | <a href="../functions/contents.html">XSH</a> | <a href="../xrat/contents.html">XRAT</a>
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