Int 21/AX=8E00h/BH=00h

European MS-DOS 4.0 - SETPRI - GET/SET PROCESS PRIORITY

AX = 8E00h
BH = 00h
BL = action
00h set priority for command subtree
01h set priority for specified process only
CX = Process ID
DH = 00h
DL = change in priority (00h to get priority)

Return:
CF clear if successful
DL = process priority
DH destroyed
CF set on error
AX = error code (01h,no such process)(see #01680 at AH=59h)

Desc: Specify or determine the execution priority of the specified process or the process and all of its children

See Also: AH=81h

Category: DOS Kernel - Int 21h - E

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