Changeset 19888 in vbox for trunk/src/VBox/Runtime/r0drv

Timestamp:

May 21, 2009 3:25:42 PM (16 years ago)

Author:

vboxsync

Message:

semevent-r0drv-linux.c: Use ASMAtomicWriteU32 instead of XchgU32.

File:

• trunk/src/VBox/Runtime/r0drv/linux/semevent-r0drv-linux.c (modified) (2 diffs)

trunk/src/VBox/Runtime/r0drv/linux/semevent-r0drv-linux.c

@@ -93 +93 @@
      * Invalidate it and signal the object just in case.
      */
-    ASMAtomicIncU32(&pEventInt->u32Magic);
-    ASMAtomicXchgU32(&pEventInt->fState, 0);
+    ASMAtomicWriteU32(&pEventInt->u32Magic, ~RTSEMEVENT_MAGIC);
+    ASMAtomicWriteU32(&pEventInt->fState, 0);
     Assert(!waitqueue_active(&pEventInt->Head));
     wake_up_all(&pEventInt->Head);
@@ -120 +120 @@
      * Signal the event object.
      */
-    ASMAtomicXchgU32(&pEventInt->fState, 1);
+    ASMAtomicWriteU32(&pEventInt->fState, 1);
     wake_up(&pEventInt->Head);