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typedef volatile int of_spinlock_t;
# define OF_SPINCOUNT 10
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
typedef pthread_spinlock_t of_spinlock_t;
#else
typedef of_mutex_t of_spinlock_t;
#endif
#if defined(OF_HAVE_PTHREADS)
# define of_thread_is_current(t) pthread_equal(t, pthread_self())
# define of_thread_current pthread_self
#elif defined(_WIN32)
# define of_thread_is_current(t) (t == GetCurrentThread())
# define of_thread_current GetCurrentThread
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typedef volatile int of_spinlock_t;
# define OF_SPINCOUNT 10
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
typedef pthread_spinlock_t of_spinlock_t;
#else
typedef of_mutex_t of_spinlock_t;
#endif
typedef struct {
of_mutex_t mutex;
of_tlskey_t count;
} of_rmutex_t;
#if defined(OF_HAVE_PTHREADS)
# define of_thread_is_current(t) pthread_equal(t, pthread_self())
# define of_thread_current pthread_self
#elif defined(_WIN32)
# define of_thread_is_current(t) (t == GetCurrentThread())
# define of_thread_current GetCurrentThread
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return YES;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return !pthread_spin_destroy(spinlock);
#else
return of_mutex_free(spinlock);
#endif
}
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return YES;
#elif defined(OF_HAVE_PTHREAD_SPINLOCKS)
return !pthread_spin_destroy(spinlock);
#else
return of_mutex_free(spinlock);
#endif
}
static OF_INLINE BOOL
of_rmutex_new(of_rmutex_t *rmutex)
{
if (!of_mutex_new(&rmutex->mutex))
return NO;
if (!of_tlskey_new(&rmutex->count))
return NO;
return YES;
}
static OF_INLINE BOOL
of_rmutex_lock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
if (count > 0) {
if (!of_tlskey_set(rmutex->count, (void*)(count + 1)))
return NO;
return YES;
}
if (!of_mutex_lock(&rmutex->mutex))
return NO;
if (!of_tlskey_set(rmutex->count, (void*)1)) {
of_mutex_unlock(&rmutex->mutex);
return NO;
}
return YES;
}
static OF_INLINE BOOL
of_rmutex_unlock(of_rmutex_t *rmutex)
{
uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
if (count > 1) {
if (!of_tlskey_set(rmutex->count, (void*)(count - 1)))
return NO;
return YES;
}
if (!of_tlskey_set(rmutex->count, (void*)0))
return NO;
if (!of_mutex_unlock(&rmutex->mutex))
return NO;
return YES;
}
static OF_INLINE BOOL
of_rmutex_free(of_rmutex_t *rmutex)
{
if (!of_mutex_free(&rmutex->mutex))
return NO;
if (!of_tlskey_free(rmutex->count))
return NO;
return YES;
}
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