Brain Teaser Extended Post: 302352221

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LEARN ABOUT OSX

taskpolicy

taskpolicy(8)						    BSD System Manager's Manual 					     taskpolicy(8)

NAME

     taskpolicy -- execute a program with an altered I/O or scheduling policy

SYNOPSIS

     taskpolicy [-d policy] [-b] program [arg1 [...]]

DESCRIPTION

     The taskpolicy program uses the setiopolicy_np(3) and setpriority(2) APIs to execute a program with altered I/O or scheduling policies. All
     children of the specified program also inherit these policies.

     taskpolicy accepts the following flags and arguments:

	   -d policy  Run the program after calling setiopolicy_np(3) with an iotype of IOPOL_TYPE_DISK, a scope of IOPOL_SCOPE_PROCESS, and the
		      specified policy. The argument can either be an integer, or a symbolic string like "default" or "throttle", which is inter-
		      preted case-insensitively.

	   -g policy  Run the program after calling setiopolicy_np(3) with an iotype of IOPOL_TYPE_DISK, a scope of IOPOL_SCOPE_DARWIN_BG, and the
		      specified policy. The argument is interpreted in the same manor as -d.

	   -b	      Run the program after calling setpriority(2) with a priority of PRIO_DARWIN_BG.

SEE ALSO

     setpriority(2), setiopolicy_np(3)

Darwin								   June 2, 2019 							    Darwin