fix race where poll state is changed in unblock and reset

Haivision / srtgo

Go bindings for SRT. Advantages of SRT technology for an easy to use programming language

Mozilla Public License 2.0

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fix race where poll state is changed in unblock and reset #65

Open markniebur opened 1 year ago

markniebur commented 1 year ago

pollDesc.unblock(), which modifies either pd.rdState or pd.wrState is called by the pollserver thread and only locks pd.lock. However, pd.reset which is called by read/write operations only locks pd.wrLock or pd.rdLock leading to a race.