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Get a mutex's priority ceiling
#include <pthread.h>
int pthread_mutex_getprioceiling(
const pthread_mutex_t* mutex,
int* prioceiling );
- mutex
- A pointer to the pthread_mutex_t object that you want to
priority ceiling for.
- prioceiling
- A pointer to a location where the function can store the priority ceiling.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The pthread_mutex_getprioceiling() function returns the
priority ceiling of mutex in prioceiling.
- EOK
- Success.
- EINVAL
- The mutex specified by mutex doesn't currently exist.
- EPERM
- The calling thread doesn't have permission to get the priority ceiling.
POSIX 1003.1 THR TPP
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |
pthread_mutex_setprioceiling()
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