DataMutex used to use OwnerAwareLock to track what thread is holding
the mutex and emit assertion errors if a thread is found attempting to
lock a mutex held by that same thread. This turns deadlocks into
OwnerAwareLock was removed when DataMutex got clang thread safety
annotations. This patch reintroduces the same logic, while keeping
This fixes WTF_DataMutex.DoubleLockDeathTest, which tested this
functionality and was previously regressed.
Created attachment 431545 [details]
Committed r278936 (238867@main): <https://commits.webkit.org/238867@main>
All reviewed patches have been landed. Closing bug and clearing flags on attachment 431545 [details].
*** Bug 227021 has been marked as a duplicate of this bug. ***