pthread_attr_set_getschedpolicy man page on Darwin

pthread_attr_set_getschedpolicy man page on Darwin

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PTHREAD_ATTR(3)		 BSD Library Functions Manual	       PTHREAD_ATTR(3)

NAME
     pthread_attr_getschedpolicy, pthread_attr_setschedpolicy — thread
     attribute operations

SYNOPSIS
     #include <pthread.h>

     int
     pthread_attr_getschedpolicy(const pthread_attr_t *restrict attr,
	 int *restrict policy);

     int
     pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy);

DESCRIPTION
     Thread attributes are used to specify parameters to pthread_create().
     One attribute object can be used in multiple calls to pthread_create(),
     with or without modifications between calls.

     The functions pthread_attr_setschedpolicy() and
     pthread_attr_getschedpolicy(), set and get the attribute in the attr
     argument related to the scheduling policy.	 The value for the aforemen‐
     tioned attribute can be SCHED_FIFO, SCHED_RR and SCHED_OTHER.

RETURN VALUES
     If successful, these functions return 0.  Otherwise, an error number is
     returned to indicate the error.  pthread_attr_getschedpolicy(), on suc‐
     cess, will copy the value of the thread's scheduling policy attribute to
     the location pointed to by the second function parameter.

ERRORS
     pthread_attr_getschedpolicy() will fail if:

     [EINVAL]		Invalid value for attr.

     pthread_attr_setschedpolicy() will fail if:

     [EINVAL]		Invalid value for attr.

     [ENOTSUP]		Invalid or unsupported value for policy.

SEE ALSO
     pthread_create(3), pthread_attr_init(3), pthread_attr_setschedparam(3),
     pthread_attr_setinheritsched(3)

STANDARDS
     pthread_attr_setschedpolicy(), pthread_attr_getschedpolicy() conform to
     Version 2 of the Single UNIX Specification (“SUSv2”)

BSD			       December 31, 2007			   BSD

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