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Fix potential data race in Proxy's condition variable

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This commit is contained in:
Stanislav Angelovic
2020-06-16 17:43:29 +02:00
committed by Stanislav Angelovič
parent a0dadcc6fe
commit c137dfa213
1 changed files with 1 additions and 1 deletions
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src/Proxy.cpp
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@ -127,8 +127,8 @@ MethodReply Proxy::sendMethodCallMessageAndWaitForReply(const MethodCall& messag
void Proxy::SyncCallReplyData::sendMethodReplyToWaitingThread(MethodReply& reply, const Error* error)
{
SCOPE_EXIT{ cond_.notify_one(); };
std::unique_lock lock{mutex_};
SCOPE_EXIT{ cond_.notify_one(); }; // This must happen before unlocking the mutex to avoid potential data race on spurious wakeup in the waiting thread
SCOPE_EXIT{ arrived_ = true; };
//error_ = nullptr; // Necessary if SyncCallReplyData instance is thread_local