269 lines
14 KiB
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269 lines
14 KiB
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<TITLE>Int E0/CL=40h
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<META NAME="Description" CONTENT="
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Int E0/CL=40h - REAL/32 - N_LOGON - LOG ONTO A SERVER -
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CL = 40h
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DS:DX - LPB (see #04025)
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Return: AX = status (0000h,00FFh,07FFh,0DFFh,0EFFh,FFFFh) (see #04030)
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may destroy SI,DI,DS???
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SeeAlso: INT E0/CL=41h
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Format of REAL/32 Logon/Logoff Parameter Block:
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Offset Size Description (Table 04025)
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00h BYTE node ID
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01h 8 BYTEs password for server access
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">
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<h2>Int E0/CL=40h
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<p><img src="rbline.gif" tppabs="http://graphics.ctyme.com/gif/rbline.gif" width="100%" alt="------"><p>
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<h3><font color=#C00040>REAL/32 - N_LOGON - LOG ONTO A SERVER</font></h3>
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<PRE>
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CL = 40h
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DS:DX -> LPB <a href="rb-8523.htm#Table4025" tppabs="http://www.ctyme.com/intr/rb-8523.htm#Table4025">(see #04025)</a><br>
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<p><b>Return:</b><br>AX = status (0000h,00FFh,07FFh,0DFFh,0EFFh,FFFFh) (see #04030)
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may destroy SI,DI,DS???
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</PRE>
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<p><b>See Also:</b>
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<a href="rb-8524.htm" tppabs="http://www.ctyme.com/intr/rb-8524.htm">INT E0/CL=41h</a>
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<PRE>
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<p>
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Format of REAL/32 Logon/Logoff Parameter Block:
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<a name=table4025></a>
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Offset Size Description (Table 04025)
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00h BYTE node ID
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01h 8 BYTEs password for server access
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09h DWORD -> process descriptor of process to be logged on <a href="rb-8523.htm#Table4026" tppabs="http://www.ctyme.com/intr/rb-8523.htm#Table4026">(see #04026)</a>
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<p>
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Format of REAL/32 Process Descriptor:
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<a name=table4026></a>
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Offset Size Description (Table 04026)
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00h WORD offset of next entry in current descriptor list
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02h WORD offset of thread list
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04h BYTE current processor status <a href="rb-8523.htm#Table4027" tppabs="http://www.ctyme.com/intr/rb-8523.htm#Table4027">(see #04027)</a>
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05h BYTE priority
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06h WORD runtime flags <a href="rb-8523.htm#Table4028" tppabs="http://www.ctyme.com/intr/rb-8523.htm#Table4028">(see #04028)</a>
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08h 8 BYTEs process name
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10h WORD segment of User Data Area (UDA) (256 or 352 bytes)
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12h BYTE current default disk drive
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13h BYTE drive from which process was loaded
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14h WORD reserved (0)
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16h WORD offset of memory descriptor list for memory owned by process
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18h 6 BYTEs reserved
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1Eh WORD offset of process descriptor for parent process
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0000h if parent has already terminated
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20h BYTE number of default console
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21h BYTE number of default AUX device
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22h 2 BYTEs reserved
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24h BYTE number of default list device
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25h BYTE reserved
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26h WORD flags <a href="rb-8523.htm#Table4029" tppabs="http://www.ctyme.com/intr/rb-8523.htm#Table4029">(see #04029)</a>
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28h 12 BYTEs reserved
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34h WORD offset of memory page allocation root
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36h 22 BYTEs reserved
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</PRE>
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<p><b>Note:</b>
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At least offset 10h (UDA) is also supported by MDOS 5.00, 5.01, 5.10,
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as the DR DOS MEM utility retrieves this UDA segment through
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INT E0/CL=9Ah when INT 21/AX=4451h returns 1463h, 1465h, or 1466h.
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<p><b>See Also:</b>
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#04025
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<PRE>
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<p>
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<a name=table4027></a>
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(Table 04027)
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Values for REAL/32 processor status:
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00h process is ready to run
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01h process is polling a device
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02h delaying for a number of ticks
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03h in swap list
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04h terminating
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05h asleep
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06h waiting to read a message from a queue
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07h waiting to write a message
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08h waiting on system flag or semaphore
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09h waiting to attach to an I/O device
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0Ah waiting on sync block
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0Bh waiting for system flag or semaphore with timeout
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0Ch forced dispatch
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</PRE>
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<p><b>See Also:</b>
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#04026
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<PRE>
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<p>
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Bitfields for REAL/32 process flags:
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<a name=table4028></a>
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Bit(s) Description (Table 04028)
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0 system process
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1 do not terminate
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2 special rsp process
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3 from process descriptor table
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14-4 unused???
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15 uses math coprocessor
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</PRE>
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<p><b>See Also:</b>
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#04026 - #04029
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<PRE>
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<p>
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Bitfields for REAL/32 secondary flags:
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<a name=table4029></a>
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Bit(s) Description (Table 04029)
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0 suspend when in background
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1 ???
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2 in foreground
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3 enable APPEND processing on file opens
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4 Ctrl-C was typed
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5 Ctrl-C will reset disk system
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6 OK to read locked record
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7 ???
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8 do not perform banking
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</PRE>
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<p><b>See Also:</b>
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#04026 - #04028
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<PRE>
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<p>
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<a name=table4030></a>
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(Table 04030)
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Values for REAL/32 "N_LOGON" status:
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0000h successful
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00FFh server could not create shadow process
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07FFh incorrect password
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0CFFh not logged into specified server
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0DFFh process already logged onto 16 servers,.
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LPB process not attached to network
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0EFFh physical transmission prevented message or response from getting thru.
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Network error during logoff
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FFFFh calling process not attached to network
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</PRE>
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<p>
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<b>Category: <a href="cat-030.htm" tppabs="http://www.ctyme.com/intr/cat-030.htm">
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Other Operating Systems</a>
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Int E0h</a>
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