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More precautions about the back-pointers of tracks to their lists

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This commit is contained in:
Paul Licameli
2017-07-14 10:03:11 -04:00
parent e9cb5056f1
commit 54af4f1ff7
1 changed files with 5 additions and 0 deletions
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5
src/Track.cpp
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@@ -993,6 +993,11 @@ TrackNodePointer TrackList::Remove(Track *t)
void TrackList::Clear(bool sendEvent) void TrackList::Clear(bool sendEvent)
{ {
// Null out the back-pointers in tracks, in case there are outstanding
// shared_ptrs to those tracks.
for ( auto pTrack: *this )
pTrack->SetOwner( {}, {} );
ListOfTracks tempList; ListOfTracks tempList;
tempList.swap( *this ); tempList.swap( *this );
if (sendEvent) if (sendEvent)