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MidiRegion: take reader lock before cloning data into new source

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This commit is contained in:
Paul Davis 2022-03-30 13:01:10 -06:00
parent 718b3fcfa9
commit bbfb1bd229
1 changed files with 1 additions and 0 deletions
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libs/ardour/midi_region.cc
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@ -149,6 +149,7 @@ MidiRegion::clone (boost::shared_ptr<MidiSource> newsrc, ThawList* tl) const
take a lock on newsrc. take a lock on newsrc.
*/ */
Source::ReaderLock lm (ms->mutex());
if (ms->write_to (lm, newsrc, bbegin, bend)) { if (ms->write_to (lm, newsrc, bbegin, bend)) {
return boost::shared_ptr<MidiRegion> (); return boost::shared_ptr<MidiRegion> ();
} }