diff options
Diffstat (limited to 'src/cmd/devdraw')
| -rw-r--r-- | src/cmd/devdraw/cocoa-screen.m | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cmd/devdraw/cocoa-screen.m b/src/cmd/devdraw/cocoa-screen.m index c2489a6c..97128da2 100644 --- a/src/cmd/devdraw/cocoa-screen.m +++ b/src/cmd/devdraw/cocoa-screen.m @@ -541,6 +541,11 @@ _flushmemscreen(Rectangle r) return; rect = NSMakeRect(r.min.x, r.min.y, Dx(r), Dy(r)); + + // This can get blocked behind responding to mouse events, + // which need to acquire the zlock, so let go of it during + // the flush. Perhaps the waitUntilDone:YES is wrong? + zunlock(); [appdelegate performSelectorOnMainThread:@selector(callflushimg:) withObject:[NSValue valueWithRect:rect] @@ -548,6 +553,7 @@ _flushmemscreen(Rectangle r) modes:[NSArray arrayWithObjects: NSRunLoopCommonModes, @"waiting image", nil]]; + zlock(); } static void drawimg(NSRect, uint); |