pthread_schedparam man page on OpenBSD

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PTHREAD_SCHEDPARAM(3)	  OpenBSD Programmer's Manual	 PTHREAD_SCHEDPARAM(3)

NAME
     pthread_setschedparam, pthread_getschedparam - thread scheduling
     parameter manipulation

SYNOPSIS
     #include <pthread.h>

     int
     pthread_setschedparam(pthread_t thread, int policy, const struct
     sched_param *param);

     int
     pthread_getschedparam(pthread_t thread, int *policy, struct sched_param
     *param);

DESCRIPTION
     The pthread_setschedparam() and pthread_getschedparam() functions set and
     get the scheduling parameters of individual threads.  The scheduling
     policy for a thread can either be SCHED_FIFO (first in, first out) or
     SCHED_RR (round-robin).  The thread priority (accessed via
     param->sched_priority) must be within the range returned by the
     sched_get_priority_min() and sched_get_priority_max() functions.

RETURN VALUES
     If successful, these functions return 0.  Otherwise, an error number is
     returned to indicate the error.

ERRORS
     pthread_setschedparam() will fail if:

     [EINVAL]	   Invalid value for policy.

     [ENOTSUP]	   Invalid value for scheduling parameters.

     [ESRCH]	   Non-existent thread thread.

     pthread_getschedparam() will fail if:

     [ESRCH]	   Non-existent thread thread.

SEE ALSO
     sched_get_priority_max(3)

STANDARDS
     pthread_setschedparam() and pthread_getschedparam() conform to Version 2
     of the Single UNIX Specification

OpenBSD 4.9		       November 7, 2010			   OpenBSD 4.9
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