event/Call: allow usage during shutdown

Change EventLoop::IsInside() call to EventLoop::IsInsideOrNull(). This means that BlockingCall() may be used during shutdown, after the main EventLoop::Run() has finished. This is important because mixers are currently registered in the main EventLoop.

event/Call: allow usage during shutdown
4e5271fc · Max Kellermann · 3c55487a · 4e5271fc
Commit 4e5271fc authored Feb 09, 2017 by Max Kellermann
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Call.cxx src/event/Call.cxx +1 -1

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--- a/src/event/Call.cxx
+++ b/src/event/Call.cxx
@@ -79,7 +79,7 @@ private:
 void
 BlockingCall(EventLoop &loop, std::function<void()> &&f)
 {
-	if (loop.IsInside()) {
+	if (loop.IsInsideOrNull()) {
 		/* we're already inside the loop - we can simply call
 		   the function */
 		f();