To prevent race conditions, SoundMixer::isSoundHandleActive must lock the mixer mutex. That change might however cause regressions (read: dead locks) if some code calls isSoundHandleActive from within a sound callback... if you encounter any, please tell me

svn-id: r17209

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/mixer.cpp b/sound/mixer.cpp
index 21c73d4b18..1785f937ae 100644
--- a/sound/mixer.cpp
+++ b/sound/mixer.cpp
@@ -368,6 +368,7 @@ bool SoundMixer::isSoundIDActive(int id) {
 }
 
 bool SoundMixer::isSoundHandleActive(SoundHandle handle) {
+	Common::StackLock lock(_mutex);
 	const int index = handle._val % NUM_CHANNELS;
 	return _channels[index] && _channels[index]->_handle._val == handle._val;
 }