RTEMS 4.9.1 On-Line Library
Mutex Manager pthread_mutex_trylock - Poll to Lock a Mutex
RTEMS POSIX API User's Guide
10.4.12: pthread_mutex_trylock - Poll to Lock a Mutex
CALLING SEQUENCE:
-
#include <pthread.h>
int pthread_mutex_trylock(
pthread_mutex_t *mutex
);
STATUS CODES:
- EINVAL
-
The specified mutex is invalid.
- EINVAL
-
The mutex has the protocol attribute of PTHREAD_PRIO_PROTECT and the
priority of the calling thread is higher than the current priority
ceiling.
- EDEADLK
-
The current thread already owns the mutex.
DESCRIPTION:
NOTES:
RTEMS POSIX API User's Guide
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