Idle: don't wake up event loop on duplicate event

2bb01093 · Max Kellermann · 36c814d2 · 2bb01093
Commit 2bb01093 authored Jan 16, 2013 by Max Kellermann
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Idle.cxx src/Idle.cxx +3 -2

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--- a/src/Idle.cxx
+++ b/src/Idle.cxx
@@ -52,9 +52,10 @@ idle_add(unsigned flags)
 {
 	assert(flags != 0);

-	idle_flags |= flags;
+	unsigned old_flags = idle_flags.fetch_or(flags);

-	GlobalEvents::Emit(GlobalEvents::IDLE);
+	if ((old_flags & flags) != flags)
+		GlobalEvents::Emit(GlobalEvents::IDLE);
 }

 unsigned