PTHREAD_SETSCHEDPRIO
NAMESYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
VERSIONS
ATTRIBUTES
CONFORMING TO
NOTES
SEE ALSO
COLOPHON
NAME
pthread_setschedprio − set scheduling priority of a thread
SYNOPSIS
#include <pthread.h>
int pthread_setschedprio(pthread_t thread, int prio);
Compile and link with −pthread.
DESCRIPTION
The pthread_setschedprio() function sets the scheduling priority of the thread thread to the value specified in prio. (By contrast pthread_setschedparam(3) changes both the scheduling policy and priority of a thread.)
RETURN VALUE
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.
ERRORS
|
EINVAL |
prio is not valid for the scheduling policy of the specified thread. | ||
|
EPERM |
The caller does not have appropriate privileges to set the specified priority. | ||
|
ESRCH |
No thread with the ID thread could be found. |
POSIX.1-2001 also documents an ENOTSUP ("attempt was made to set the priority to an unsupported value") error for pthread_setschedparam(3).
VERSIONS
This function is available in glibc since version 2.3.4.
ATTRIBUTES
Multithreading
(see pthreads(7))
The pthread_setschedprio() function is
thread-safe.
CONFORMING TO
POSIX.1-2001.
NOTES
For a description of the permissions required to, and the effect of, changing a thread’s scheduling priority, and details of the permitted ranges for priorities in each scheduling policy, see sched(7).
SEE ALSO
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)
COLOPHON
This page is part of release 3.69 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man−pages/.
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