07.04.2020 00:02, Sowjanya Komatineni пишет: >>>>>> Am I understanding correctly that this thread will take 100% CPU, >>>>>> spinning here, if more than 2 frame-captures queued? >>>>> on more than 2 frames captures, it breaks thread and on next wakeup it >>>>> continues >>>> The wait_event() won't wait if condition is true. >>> condition is checked when waitqueue is woken up >> https://elixir.bootlin.com/linux/v5.6.2/source/include/linux/wait.h#L462 > > process is put to sleep until the condition evaluates to true or signal > is received. > > condition is checked each time the waitqueue head is woken up. This is a wrong assumption in accordance to the code.
