NotificationCenter data race #4307
Description
Describe the bug
All observers container access is protected by mutex, except access by destructor destroying the container.
To Reproduce
Thread sanitizer
Expected behavior
Clean destruction
Logs
WARNING: ThreadSanitizer: data race (pid=70947)
Write of size 8 at 0x0001070011c8 by main thread:
// ...
#11 Poco::NotificationCenter::~NotificationCenter() NotificationCenter.cpp:31 (libPocoFoundationd.100.dylib:arm64+0x104418)
#12 Poco::TaskManager::~TaskManager() TaskManager.cpp:52 (libPocoFoundationd.100.dylib:arm64+0x1cb4a0)
// ...
Previous read of size 8 at 0x0001070011c8 by thread T11 (mutexes: write M0):
// ...
#8 Poco::NotificationCenter::postNotification(Poco::AutoPtr<Poco::Notification>) NotificationCenter.cpp:72 (libPocoFoundationd.100.dylib:arm64+0x1050bc)
// ..
Please add relevant environment information:
osx clang