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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:
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | No |
| Signal handler | Yes |
| Thread | Yes |
See also:
pthread_create(), pthread_setschedparam(), sched_param
"Thread scheduling" in the QNX Neutrino Microkernel chapter of the System Architecture guide
"Scheduling algorithms" in the Programming Overview chapter of the QNX Neutrino Programmer's Guide
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