Spurious wake-ups in Win32 condition variables

Raymond Chen February 1, 2018 Feb 1, 2018 02/1/18

Win32 condition variables are subject to spurious wake-ups, where the sleeping thread wakes up but finds that the condition it is waiting for is not satisfied, so it has to go back to sleep. It woke up for no apparent reason. One source of spurious wake-ups is the stolen wake-up, where a sleeping thread is woken, but by the time it gets a ...