PTHREAD_ATTR_SETSCHEDPOLICY
Section: Linux Programmer's Manual (3)
Updated: 2010-02-03
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NAME
pthread_attr_setschedpolicy, pthread_attr_getschedpolicy - set/get
scheduling policy attribute in thread attributes object
SYNOPSIS
#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.
DESCRIPTION
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.
RETURN VALUE
On success, these functions return 0;
on error, they return a nonzero error number.
ERRORS
pthread_attr_setschedpolicy()
can fail with the following error:
- 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().
CONFORMING TO
POSIX.1-2001.
EXAMPLE
See
pthread_setschedparam(3).
SEE ALSO
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)
COLOPHON
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project.
A description of the project,
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can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- CONFORMING TO
-
- EXAMPLE
-
- SEE ALSO
-
- COLOPHON
-
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