Changeset 48171 in vbox

Timestamp:

Aug 29, 2013 8:08:38 PM (11 years ago)

Author:

vboxsync

Message:

crOpenGL: fix potential deadlock

File:

• trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.m (modified) (2 diffs)

trunk/src/VBox/HostServices/SharedOpenGL/render/renderspu_cocoa_helper.m

@@ -1179 +1179 @@
         if (m_pSharedGLCtx)
             {
-#if 0
+#if 1
             /* tmp workaround to prevent potential deadlock:
              * crOpenGL service thread does compositor lock acquire and calls cocoa NS methods that could synchronize on the GUI thread
@@ -1195 +1195 @@
             {
                 /* re-issue to the gui thread */
-                [self setNeedsDisplay:YES];
+# ifdef DEBUG_misha
+                DEBUG_WARN(("renderspuVBoxCompositorTryAcquire busy\n"));
+# endif 
+                [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(vboxTryDrawUI) userInfo:nil repeats:NO];
             }
             else
             {
                 /* this is somewhat we do not expect */
-                DEBUG_MSG(("renderspuVBoxCompositorTryAcquire failed rc %d", rc));
+                DEBUG_WARN(("renderspuVBoxCompositorTryAcquire failed rc %d", rc));
             }
 #else