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t/hand: Document and fix cond var loop

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Jakob Bornecrantz 2022-05-26 20:50:29 +01:00 committed by Jakob Bornecrantz
parent 2300e4fa57
commit b41addbbe7
1 changed files with 7 additions and 5 deletions
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12
src/xrt/tracking/hand/t_hand_tracking_async.c
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@ -61,16 +61,18 @@ ht_async_mainloop(void *ptr)
os_thread_helper_lock(&hta->mainloop); os_thread_helper_lock(&hta->mainloop);
while (hta->mainloop.running) { while (os_thread_helper_is_running_locked(&hta->mainloop)) {
// No new frame, wait. // No new frame, wait.
if (hta->frames[0] == NULL && hta->frames[1] == NULL) { if (hta->frames[0] == NULL && hta->frames[1] == NULL) {
os_thread_helper_wait_locked(&hta->mainloop); os_thread_helper_wait_locked(&hta->mainloop);
}
// In this case, we were woken up because Monado is exiting and we need to exit too /*
if (!hta->mainloop.running) { * Loop back to the top to check if we should stop,
break; * also handles spurious wakeups by re-checking the
* condition in the if case. Essentially two loops.
*/
continue;
} }
os_thread_helper_unlock(&hta->mainloop); os_thread_helper_unlock(&hta->mainloop);