event/Loop: Break() is no-op if "quit" is already set

115af4f5 · Max Kellermann · 822724d1 · 115af4f5
Commit 115af4f5 authored Feb 10, 2017 by Max Kellermann
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Loop.cxx src/event/Loop.cxx +3 -0

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--- a/src/event/Loop.cxx
+++ b/src/event/Loop.cxx
@@ -46,6 +46,9 @@ EventLoop::~EventLoop()
 void
 EventLoop::Break()
 {
+	if (quit)
+		return;
+
 	quit = true;
 	wake_fd.Write();
 }