MirOS Manual: pthread_getschedparam(3), pthread_schedparam(3), pthread_setschedparam(3)

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


     pthread_setschedparam, pthread_getschedparam - thread scheduling parame-
     ter manipulation


     #include <pthread.h>

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

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


     The pthread_setschedparam() and pthread_getschedparam() functions set and
     get the scheduling parameters of individual threads. The scheduling poli-
     cy 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 at least PTHREAD_MIN_PRIORITY and no more than


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


     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.


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

MirOS BSD #10-current            May 1, 2000                                 1

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