Robin Gareus 455f07d087 fix rare livelock in std::map thread_buffer_requests ...

During initial session load it's possible that two threads call
PBD::notify_event_loops_about_thread_creation() simultaneously
(in particular the process threads). This can lead to an
endless loop in stl_tree.h when assigning thread_buffer_requests[key]

Now we only have WriteLocks.. unless some better solution comes up a
Mutex will do.

2016-02-14 02:13:04 +01:00

7.8 KiB

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