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quartz: fix a race condition when waking up the CGRunLoop

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Wake up the run loop unconditionally (don't check if it is waiting) because
it might go into waiting state right after we checked for it. Fixes GIMP
startup (which has a lot of GIOChannel I/O but zero NSEvents) from several
minutes to a few seconds.
This commit is contained in:
Michael Natterer 2011-11-11 23:49:21 +01:00
parent 7546eeaa62
commit 0729cdc9a1
1 changed files with 6 additions and 3 deletions
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9
gdk/quartz/gdkeventloop-quartz.c
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@ -207,9 +207,12 @@ signal_main_thread (void)
*/
if (!run_loop_polling_async)
CFRunLoopSourceSignal (select_main_thread_source);
if (CFRunLoopIsWaiting (main_thread_run_loop))
CFRunLoopWakeUp (main_thread_run_loop);
/* Don't check for CFRunLoopIsWaiting() here because it causes a
* race condition (the loop could go into waiting state right after
* we checked).
*/
CFRunLoopWakeUp (main_thread_run_loop);
}
static void *