Attempt to lock a mutex
#include <threads.h> int mtx_trylock( mtx_t *mutex );
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The mtx_trylock() function attempts to lock the mutex mutex, but doesn't block the calling thread if the mutex is already locked.
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | No |
| Signal handler | Yes |
| Thread | Yes |