263 perl_mutex start_thread_mutex;  variable
270     MUTEX_LOCK(&start_thread_mutex);  in pthread_join()
272         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_join()
283         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_join()
287         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_join()
295         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_join()
309         COND_WAIT(&thread_join_data[tid].cond, &start_thread_mutex);  in pthread_join()
311         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_join()
315         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_join()
350         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_startit()
376         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_startit()
381     MUTEX_UNLOCK(&start_thread_mutex);  in pthread_startit()
383     MUTEX_LOCK(&start_thread_mutex);  in pthread_startit()
399         COND_WAIT(&thread_join_data[tid].cond, &start_thread_mutex);  in pthread_startit()
405         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_startit()
409     MUTEX_UNLOCK(&start_thread_mutex);  in pthread_startit()
423     MUTEX_LOCK(&start_thread_mutex);  in pthread_create()
430         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_create()
433     MUTEX_LOCK(&start_thread_mutex);		/* Wait for init to proceed */  in pthread_create()
434     MUTEX_UNLOCK(&start_thread_mutex);  in pthread_create()
441     MUTEX_LOCK(&start_thread_mutex);  in pthread_detach()
443         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_detach()
451         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_detach()
456         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_detach()
459         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_detach()
463         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_detach()
471         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_detach()
478         MUTEX_UNLOCK(&start_thread_mutex);  in pthread_detach()
4975     MUTEX_INIT(&start_thread_mutex);  in Perl_OS2_init3()