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

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Functions

int pthread_spin_lock (pthread_spinlock_t *lock)

Function Documentation

int pthread_spin_lock ( pthread_spinlock_t *  lock)

Definition at line 23 of file pthread_spin_lock.c.

{
  while (atomic_compare_and_exchange_val_acq (lock, 1, 0) != 0)
   while (*lock != 0)
    ;

  return 0;
}