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Caution: This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

pthread_getschedparam()

Get a thread's scheduling parameters

Synopsis:

#include <pthread.h>

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

Arguments:

thread
The ID of the thread that you want to get the scheduling parameters for. You can get a thread ID by calling pthread_create() or pthread_self().
policy
A pointer to a location where the function can store the scheduling policy; one of SCHED_FIFO, SCHED_RR, SCHED_SPORADIC, or SCHED_OTHER.
param
A pointer to a sched_param structure where the function can store the scheduling parameters.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The pthread_getschedparam() function gets the scheduling policy and associated scheduling parameters of thread thread and places them in policy and param.

Returns:

EOK
Success.
EFAULT
A fault occurred trying to access the buffers provided.
ESRCH
Invalid thread ID thread.

Classification:

POSIX 1003.1 THR TPS

Safety:
Cancellation point No
Interrupt handler No
Signal handler Yes
Thread Yes

See also:

pthread_create(), pthread_setschedparam(), sched_param


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