Try to lock a thread spinlock
#include <pthread.h> int pthread_spin_trylock( pthread_spinlock_t * spinner );
- A pointer to the pthread_spinlock_t object that you want to try to lock.
Use the -l c option to qcc to link against this library. This library is usually included automatically.
The pthread_spin_trylock() function attempts to lock the thread spinlock specified by spinner. It returns immediately if spinner can't be locked.
If a thread attempts to lock a spinlock that it's already locked via pthread_spin_lock() or pthread_spin_trylock(), the thread deadlocks.
- Insufficient resources available to lock spinner.
- The thread spinlock spinner is already locked by another thread.
- Invalid pthread_spinlock_t object spinner.