native_cond_initialize 2894 thread.c           native_cond_initialize(&mutex->cond);
native_cond_initialize   29 thread_pthread.c static void native_cond_initialize(pthread_cond_t *cond);
native_cond_initialize  168 thread_pthread.c     native_cond_initialize(&th->native_thread_data.sleep_cond);
native_cond_initialize   32 thread_win32.c static void native_cond_initialize(rb_thread_cond_t *cond);