Section (3) pthread_setschedprio
pthread_setschedprio — set scheduling priority of a thread
Compile and link with
function sets the scheduling priority of the thread
thread to the value
(By contrast pthread_setschedparam(3)
changes both the scheduling policy and priority of a
On success, this function returns 0; on error, it returns
a nonzero error number. If
pthread_setschedprio() fails, the
scheduling priority of
thread is not changed.
priois not valid for the scheduling policy of the specified thread.
The caller does not have appropriate privileges to set the specified priority.
No thread with the ID
threadcould be found.
POSIX.1 also documents an ENOTSUP (attempt was made to set the priority to an unsupported value) error for pthread_setschedparam(3).
For an explanation of the terms used in this section, see attributes(7).
For a description of the permissions required to, and the effect of, changing a thread_zsingle_quotesz_s scheduling priority, and details of the permitted ranges for priorities in each scheduling policy, see sched(7).
getrlimit(2), sched_get_priority_min(2), pthread_attr_init(3), pthread_attr_setinheritsched(3), pthread_attr_setschedparam(3), pthread_attr_setschedpolicy(3), pthread_create(3), pthread_self(3), pthread_setschedparam(3), pthreads(7), sched(7)
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