1 files changed, 0 insertions, 59 deletions
diff --git a/common/rwlock.c b/common/rwlock.c
deleted file mode 100644
index 67cf3acf..00000000
--- a/common/rwlock.c
+++ /dev/null
@@ -1,59 +0,0 @@
-
-#include "config.h"
-
-#include "rwlock.h"
-
-#include "bool.h"
-#include "atomic.h"
-#include "threads.h"
-
-
-/* A simple spinlock. Yield the thread while the given integer is set by
- * another. Could probably be improved... */
-#define LOCK(l) do {                                                          \
-    while(ATOMIC_FLAG_TEST_AND_SET(&(l), almemory_order_acq_rel) == true)     \
-        althrd_yield();                                                       \
-} while(0)
-#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_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)
-{
-    LOCK(lock->read_entry_lock);
-    LOCK(lock->read_lock);
-    /* NOTE: ATOMIC_ADD returns the *old* value! */
-    if(ATOMIC_ADD(&lock->read_count, 1, almemory_order_acq_rel) == 0)
-        LOCK(lock->write_lock);
-    UNLOCK(lock->read_lock);
-    UNLOCK(lock->read_entry_lock);
-}
-
-void ReadUnlock(RWLock *lock)
-{
-    /* NOTE: ATOMIC_SUB returns the *old* value! */
-    if(ATOMIC_SUB(&lock->read_count, 1, almemory_order_acq_rel) == 1)
-        UNLOCK(lock->write_lock);
-}
-
-void WriteLock(RWLock *lock)
-{
-    if(ATOMIC_ADD(&lock->write_count, 1, almemory_order_acq_rel) == 0)
-        LOCK(lock->read_lock);
-    LOCK(lock->write_lock);
-}
-
-void WriteUnlock(RWLock *lock)
-{
-    UNLOCK(lock->write_lock);
-    if(ATOMIC_SUB(&lock->write_count, 1, almemory_order_acq_rel) == 1)
-        UNLOCK(lock->read_lock);
-}