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GNU/Linux |
Debian 6.0.7(Squeeze) |
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pthread_attr_getschedpolicy(3) |
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pthread_attr_setschedpolicy, pthread_attr_getschedpolicy − set/get scheduling policy attribute in thread attributes object
#include <pthread.h>
int
pthread_attr_setschedpolicy(pthread_attr_t
*attr, int policy);
int pthread_attr_getschedpolicy(pthread_attr_t
*attr, int *policy);
Compile and link with −pthread.
The pthread_attr_setschedpolicy() function sets the scheduling policy attribute of the thread attributes object referred to by attr to the value specified in policy. This attribute determines the scheduling policy of a thread created using the thread attributes object attr.
The supported values for policy are SCHED_FIFO, SCHED_RR, and SCHED_OTHER, with the semantics described in sched_setscheduler(2).
The pthread_attr_getschedpolicy() returns the scheduling policy attribute of the thread attributes object attr in the buffer pointed to by policy.
On success, these functions return 0; on error, they return a nonzero error number.
pthread_attr_setschedpolicy() can fail with the following error:
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EINVAL |
Invalid value in policy. |
POSIX.1-2001 also documents an optional ENOTSUP error ("attempt was made to set the attribute to an unsupported value") for pthread_attr_setschedpolicy().
POSIX.1-2001.
See pthread_setschedparam(3).
sched_setscheduler(2), pthread_attr_init(3), pthread_attr_setinheritsched(3), pthread_attr_setschedparam(3), pthread_create(3), pthread_setschedparam(3), pthread_setschedprio(3), pthreads(7)
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
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pthread_attr_getschedpolicy(3) | |