Changeset 6742 in vbox for trunk/src/VBox/Runtime/r3

Timestamp:

Feb 2, 2008 12:30:13 AM (17 years ago)

Author:

vboxsync

Message:

Use ASMAtomicCmpXchgS32

File:

• trunk/src/VBox/Runtime/r3/linux/semmutex-linux.cpp (modified) (1 diff)

trunk/src/VBox/Runtime/r3/linux/semmutex-linux.cpp

@@ -201 +201 @@
      * Lock the mutex.
      */
-    int32_t iOld;
-    ASMAtomicCmpXchgExS32(&pIntMutexSem->iState, 1, 0, &iOld);
-    if (RT_UNLIKELY(iOld != 0))
+    if (RT_UNLIKELY(!ASMAtomicCmpXchgS32(&pIntMutexSem->iState, 1, 0)))
     {
         for (;;)
         {
-            iOld = ASMAtomicXchgS32(&pIntMutexSem->iState, 2);
+            int32_t iOld = ASMAtomicXchgS32(&pIntMutexSem->iState, 2);
 
             /*