22  *    already waiting in a PyCOND_WAIT() call.  It _could_ cause
25  *    The same applies to PyCOND_BROADCAST(), if N threads are waiting
27  *    those already waiting.
99    waiting.  It corresponds to listing 2 in:
148     cv->waiting = 0;  in PyCOND_INIT()
165     cv->waiting++;  in _PyCOND_WAIT_MS()
174         --cv->waiting;  in _PyCOND_WAIT_MS()
179          * just means an extra spurious wakeup for a waiting thread.  in _PyCOND_WAIT_MS()
180          * ('waiting' corresponds to the semaphore's "negative" count and  in _PyCOND_WAIT_MS()
181          * we may end up with e.g. (waiting == -1 && sem.count == 1).  When  in _PyCOND_WAIT_MS()
183          * adjusted it to (waiting == 0 && sem.count == 0).  in _PyCOND_WAIT_MS()
212     if (cv->waiting > 0) {  in PyCOND_SIGNAL()
213         /* notifying thread decreases the cv->waiting count so that  in PyCOND_SIGNAL()
217         cv->waiting--;  in PyCOND_SIGNAL()
226     int waiting = cv->waiting;  in PyCOND_BROADCAST()  local
227     if (waiting > 0) {  in PyCOND_BROADCAST()
228         cv->waiting = 0;  in PyCOND_BROADCAST()
229         return ReleaseSemaphore(cv->sem, waiting, NULL) ? 0 : -1;  in PyCOND_BROADCAST()