pcntl_setpriority
Change the priority of any process
Description
bool pcntl_setpriority(int $priority, intnull $process_id = null, int $mode = PRIO_PROCESS)
Parameters
-
priority
-
priority is generally a value in the range
-20 to 20. The default priority
is 0 while a lower numerical value causes more
favorable scheduling. Because priority levels can differ between
system types and kernel versions, please see your system's setpriority(2)
man page for specific details.
-
process_id
-
If null, the process id of the current process is used.
-
mode
-
One of PRIO_PGRP, PRIO_USER,
PRIO_PROCESS,
PRIO_DARWIN_BG or PRIO_DARWIN_THREAD.
Return Values
Returns true on success or false on failure.
See Also
- pcntl_getpriority
- pcntl_setpriority