Changeset 8019 in vbox

Timestamp:

Apr 16, 2008 10:11:19 AM (17 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

29678

Message:

Main: RWLockHandle: Respect other pending writers when requesting a new one.

File:

• trunk/src/VBox/Main/AutoLock.cpp (modified) (2 diffs)

trunk/src/VBox/Main/AutoLock.cpp

@@ -57 +57 @@
     if (mWriteLockThread != RTThreadSelf())
     {
-        if (mReadLockCount != 0 || mWriteLockThread != NIL_RTTHREAD)
+        if (mReadLockCount != 0 || mWriteLockThread != NIL_RTTHREAD ||
+            mWriteLockPending != 0 /* respect other pending writers */)
         {
             /* wait until all read locks or another write lock is released */
@@ -68 +69 @@
         }
 
+        Assert (mWriteLockLevel == 0);
         Assert (mWriteLockThread == NIL_RTTHREAD);
+
         mWriteLockThread = RTThreadSelf();
     }