[Mesa-dev] [Bug 98172] Concurrent call to glClientWaitSync results in segfault in one of the waiters.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98172

--- Comment #17 from shinji.suzuki at gmail.com ---
I need to take my words back.

> dtor should be called only by the thread that eliminated the last reference.

Looks like glDeleteSync directly calls (or is a macro of?)
st_delete_sync_object. If that is true, the reference count on sync-object, if
there is, is not respected. Therefore I think mtx_Lock(so->Shared.Mutex) needs
to be present in the dtor function as well. I apologize for my oversight.

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