From 5d6a8b384004e4ceaebc933973319d6a5e20ccea Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Fri, 22 Dec 2017 11:03:37 +0100
Subject: [PATCH] MusicPipe: lock the mutex in Peek() and GetSize()

---
 src/MusicPipe.hxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/MusicPipe.hxx b/src/MusicPipe.hxx
index f9e42326b..ecb923431 100644
--- a/src/MusicPipe.hxx
+++ b/src/MusicPipe.hxx
@@ -95,6 +95,7 @@ public:
 	 */
 	gcc_pure
 	const MusicChunk *Peek() const noexcept {
+		const std::lock_guard<Mutex> protect(mutex);
 		return head;
 	}
 
@@ -120,6 +121,7 @@ public:
 	 */
 	gcc_pure
 	unsigned GetSize() const noexcept {
+		const std::lock_guard<Mutex> protect(mutex);
 		return size;
 	}