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oldlinux-files/docs/interrupts/int-html/rb-3258.htm
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<TITLE>Int 21/AH=8Dh
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Int 21/AH=8Dh - European MS-DOS 4.0 - SEND SIGNAL -
AH = 8Dh
AL = signal number (see #01793)
BH = signal argument
BL = action
00h send to entire command subtree
01h send only to specified process
DX = Process ID
Return: CF clear if successful
CF set on error
AX = error code (01h,06h)(see #01680 at AH=59h/BX=0000h)
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<h2>Int 21/AH=8Dh
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<h3><font color=#C00040>European MS-DOS 4.0 - SEND SIGNAL</font></h3>
<PRE>
AH = 8Dh
AL = signal number <a href="rb-3257.htm#Table1793" tppabs="http://www.ctyme.com/intr/rb-3257.htm#Table1793">(see #01793)</a>
BH = signal argument
BL = action
00h send to entire command subtree
01h send only to specified process
DX = Process ID<br>
<p><b>Return:</b><br>CF clear if successful
CF set on error
AX = error code (01h,06h)<a href="javascript:if(confirm('http://www.ctyme.com/intr/rb-0000.htm \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://www.ctyme.com/intr/rb-0000.htm#Table0'" tppabs="http://www.ctyme.com/intr/rb-0000.htm#Table0"></a>(see #01680 at AH=59h/BX=0000h)
</PRE>
<p><b>Desc:</b>
Invoke the exceptional-condition handler for the specified process
<p><b>Note:</b>
Error 06h may be returned if one or more of the affected processes
have an error handler for the signal
<p><b>See Also:</b>
<a href="rb-3257.htm" tppabs="http://www.ctyme.com/intr/rb-3257.htm">AH=8Ch</a>
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DOS Kernel</a>
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Int 21h</a>
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