Changeset 3448 for trunk/src/kash/shthread.h

Timestamp:

Sep 13, 2020, 1:15:59 PM (5 years ago)

Author:

bird

Message:

kash: shtread.h: a couple of atomic inc/dec operations for reference counters.

File:

• trunk/src/kash/shthread.h (modified) (1 diff)

trunk/src/kash/shthread.h

@@ -58 +58 @@
 void shmtx_leave(shmtx *pmtx, shmtxtmp *ptmp);
 
+
+K_INLINE unsigned sh_atomic_inc(KU32 volatile *valuep)
+{
+#ifdef _MSC_VER
+    return _InterlockedIncrement((long *)valuep);
+#else
+    return __sync_fetch_and_add(valuep, 1);
+#endif
+}
+
+K_INLINE unsigned sh_atomic_dec(unsigned volatile *valuep)
+{
+#ifdef _MSC_VER
+    return _InterlockedDecrement((long *)valuep);
+#else
+    return __sync_fetch_and_sub(valuep, 1);
+#endif
+}
+
 #endif