Int 21/AH=8Dh

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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)

Desc: Invoke the exceptional-condition handler for the specified process

Note: Error 06h may be returned if one or more of the affected processes have an error handler for the signal

See Also: AH=8Ch

Category: DOS Kernel - Int 21h - E

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