Differences From Artifact [8449195015]:
- File src/threading.h — part of check-in [8e7c6ddf8c] at 2016-07-30 21:22:31 on branch trunk — of_spinlock_(un)lock: Add memory barrier (user: js, size: 6278) [annotate] [blame] [check-ins using]
To Artifact [91e8883d41]:
- File
src/threading.h
— part of check-in
[24796a2dc1]
at
2016-07-31 21:54:30
on branch trunk
— Add of_memory_barrier_{producer,consumer}()
Also changes the naming slightly (leave -> exit). This is more similar
to the membar_*() API NetBSD and OpenBSD provides. (user: js, size: 6277) [annotate] [blame] [check-ins using]
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}
static OF_INLINE bool
of_spinlock_trylock(of_spinlock_t *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
if (of_atomic_int_cmpswap(spinlock, 0, 1)) {
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}
static OF_INLINE bool
of_spinlock_trylock(of_spinlock_t *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
if (of_atomic_int_cmpswap(spinlock, 0, 1)) {
of_memory_barrier_enter();
return true;
}
return false;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return !pthread_spin_trylock(spinlock);
#else
|
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static OF_INLINE bool
of_spinlock_unlock(of_spinlock_t *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
bool ret = of_atomic_int_cmpswap(spinlock, 1, 0);
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static OF_INLINE bool
of_spinlock_unlock(of_spinlock_t *spinlock)
{
#if defined(OF_HAVE_ATOMIC_OPS)
bool ret = of_atomic_int_cmpswap(spinlock, 1, 0);
of_memory_barrier_exit();
return ret;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return !pthread_spin_unlock(spinlock);
#else
return of_mutex_unlock(spinlock);
#endif
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