aboutsummaryrefslogtreecommitdiffstats
path: root/common
diff options
context:
space:
mode:
authorChris Robinson <[email protected]>2016-11-25 23:25:16 -0800
committerChris Robinson <[email protected]>2016-11-25 23:25:16 -0800
commit02a6031d03870847aa6b11628b80585004b45194 (patch)
tree498d1aaa144ac135653a153fc2986acaee7d1541 /common
parentea82a6d19ef39679afd8a83f069dcd12afe20e40 (diff)
Use atomic flags for boolean atomic locks
Diffstat (limited to 'common')
-rw-r--r--common/rwlock.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/common/rwlock.c b/common/rwlock.c
index f1a86fa6..67cf3acf 100644
--- a/common/rwlock.c
+++ b/common/rwlock.c
@@ -11,19 +11,19 @@
/* A simple spinlock. Yield the thread while the given integer is set by
* another. Could probably be improved... */
#define LOCK(l) do { \
- while(ATOMIC_EXCHANGE(int, &(l), true, almemory_order_acq_rel) == true) \
+ while(ATOMIC_FLAG_TEST_AND_SET(&(l), almemory_order_acq_rel) == true) \
althrd_yield(); \
} while(0)
-#define UNLOCK(l) ATOMIC_STORE(&(l), false, almemory_order_release)
+#define UNLOCK(l) ATOMIC_FLAG_CLEAR(&(l), almemory_order_release)
void RWLockInit(RWLock *lock)
{
InitRef(&lock->read_count, 0);
InitRef(&lock->write_count, 0);
- ATOMIC_INIT(&lock->read_lock, false);
- ATOMIC_INIT(&lock->read_entry_lock, false);
- ATOMIC_INIT(&lock->write_lock, false);
+ ATOMIC_FLAG_CLEAR(&lock->read_lock, almemory_order_relaxed);
+ ATOMIC_FLAG_CLEAR(&lock->read_entry_lock, almemory_order_relaxed);
+ ATOMIC_FLAG_CLEAR(&lock->write_lock, almemory_order_relaxed);
}
void ReadLock(RWLock *lock)