Invalid back reference Post: 302724939

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pthread_getschedparam

PTHREAD_SCHEDPARAM(3)					   BSD Library Functions 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 schedul-
     ing policy for a thread can either be SCHED_FIFO (first in, first out), SCHED_RR (round-robin), or SCHED_OTHER (timesharing).  Valid thread
     priorities (accessed via param->sched_priority) must be within the range returned by the sched_get_priority_min(2) and
     sched_get_priority_max(2) system calls.

RETURN VALUES

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

ERRORS

     The pthread_setschedparam() function will fail if:

     [EINVAL]		Invalid value for policy.

     [ENOTSUP]		Invalid value for scheduling parameters.

     [ESRCH]		Non-existent thread thread.

     The pthread_getschedparam() function will fail if:

     [ESRCH]		Non-existent thread thread.

SEE ALSO

     sched_get_priority_max(2), sched_get_priority_min(2)

STANDARDS

     The pthread_setschedparam() and pthread_getschedparam() functions conform to Version 2 of the Single UNIX Specification (``SUSv2'').

BSD
								 October 16, 2006							       BSD