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glibc  2.9
Functions
pthread_spin_trylock.c File Reference
#include <errno.h>
#include <atomic.h>
#include "pthreadP.h"

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Functions

int pthread_spin_trylock (pthread_spinlock_t *lock)

Function Documentation

int pthread_spin_trylock ( pthread_spinlock_t *  lock)

Definition at line 24 of file pthread_spin_trylock.c.

{
  return atomic_compare_and_exchange_val_acq (lock, 1, 0) ? EBUSY : 0;
}