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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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