pthread_attr_set_getschedparam man page on Darwin

pthread_attr_set_getschedparam man page on Darwin

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

NAME
     pthread_attr_getschedparam, pthread_attr_setschedparam — thread attribute
     operations

SYNOPSIS
     #include <pthread.h>

     int
     pthread_attr_getschedparam(const pthread_attr_t *restrict attr,
	 struct sched_param *restrict param);

     int
     pthread_attr_setschedparam(pthread_attr_t *restrict attr,
	 const struct sched_param *restrict param);

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.

     pthread_attr_getschedparam() and pthread_attr_setschedparam() get and set
     the scheduling parameters within the attr argument. See
     /usr/include/sched.h
     for the definition of struct sched_param.	The sched_priority field of
     struct sched_param can be set to SCHED_OTHER, SCHED_FIFO and SCHED_RR.

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

ERRORS
     pthread_attr_getschedparam() will fail if:

     [EINVAL]		Invalid value for attr.

     pthread_attr_setschedparam() will fail if:

     [EINVAL]		Invalid value for attr.

     [ENOTSUP]		Invalid value for param.

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

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

BSD			       December 31, 2007			   BSD

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