81 static sem_t  g_pipesem       = {NULL};  variable
119   ret = sem_wait(&g_pipesem);  in pipe_free()
123       (void)sem_post(&g_pipesem);  in pipe_free()
174       (void)sem_wait(&g_pipesem);  in pipe_unlink()
176       (void)sem_post(&g_pipesem);  in pipe_unlink()
254   ret = sem_wait(&g_pipesem);  in pipe()
266       (void)sem_post(&g_pipesem);  in pipe()
280       (void)sem_post(&g_pipesem);  in pipe()
296           (void)sem_post(&g_pipesem);  in pipe()
309   (void)sem_post(&g_pipesem);  in pipe()
342   (void)sem_wait(&g_pipesem);  in pipe()
344   (void)sem_post(&g_pipesem);  in pipe()
362     int ret = sem_init(&g_pipesem, 0, 1);  in pipe_init()