diff options
| author | rpj <rpj> | 2004-05-17 01:38:02 +0000 |
|---|---|---|
| committer | rpj <rpj> | 2004-05-17 01:38:02 +0000 |
| commit | 771465fed0cf50ee2dd790723245fc091699c324 (patch) | |
| tree | d8c18d095a33fe7c4564bd90c5f313bb9e4057dd /pthread_spin_lock.c | |
| parent | 8b14911744f58cbe3730703f3fcc41cd969fd0f3 (diff) | |
re-indentation, bug fixes, hooks for pre-emptive async cancelation
Diffstat (limited to 'pthread_spin_lock.c')
| -rw-r--r-- | pthread_spin_lock.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/pthread_spin_lock.c b/pthread_spin_lock.c index eae835d..29c6a62 100644 --- a/pthread_spin_lock.c +++ b/pthread_spin_lock.c @@ -39,32 +39,36 @@ int -pthread_spin_lock(pthread_spinlock_t *lock) +pthread_spin_lock (pthread_spinlock_t * lock) { register pthread_spinlock_t s; if (NULL == lock || NULL == *lock) { - return(EINVAL); + return (EINVAL); } if (*lock == PTHREAD_SPINLOCK_INITIALIZER) { int result; - if ((result = ptw32_spinlock_check_need_init(lock)) != 0) - { - return(result); - } + if ((result = ptw32_spinlock_check_need_init (lock)) != 0) + { + return (result); + } } s = *lock; - while ( (PTW32_INTERLOCKED_LONG) PTW32_SPIN_LOCKED == - ptw32_interlocked_compare_exchange((PTW32_INTERLOCKED_LPLONG) &(s->interlock), - (PTW32_INTERLOCKED_LONG) PTW32_SPIN_LOCKED, - (PTW32_INTERLOCKED_LONG) PTW32_SPIN_UNLOCKED) ) - {} + while ((PTW32_INTERLOCKED_LONG) PTW32_SPIN_LOCKED == + ptw32_interlocked_compare_exchange ((PTW32_INTERLOCKED_LPLONG) & + (s->interlock), + (PTW32_INTERLOCKED_LONG) + PTW32_SPIN_LOCKED, + (PTW32_INTERLOCKED_LONG) + PTW32_SPIN_UNLOCKED)) + { + } if (s->interlock == PTW32_SPIN_LOCKED) { @@ -72,7 +76,7 @@ pthread_spin_lock(pthread_spinlock_t *lock) } else if (s->interlock == PTW32_SPIN_USE_MUTEX) { - return pthread_mutex_lock(&(s->u.mutex)); + return pthread_mutex_lock (&(s->u.mutex)); } return EINVAL; |