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PTHREAD_SETSCHEDPRIO(3)    Linux Programmer's Manual   PTHREAD_SETSCHEDPRIO(3)

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 prior-
       ity 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 spec-
              ified 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 3.74 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/.

Linux                             2014-05-28           PTHREAD_SETSCHEDPRIO(3)

Czas wygenerowania: 0.00051 sek.


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