82     mutex_t *lock;  in PyThread_allocate_lock()  local
88     lock = (mutex_t *) malloc(sizeof(mutex_t));  in PyThread_allocate_lock()
89     if (mutex_init(lock, USYNC_THREAD, 0)) {  in PyThread_allocate_lock()
91         free((void *) lock);  in PyThread_allocate_lock()
92         lock = 0;  in PyThread_allocate_lock()
94     dprintf(("PyThread_allocate_lock() -> %p\n", lock));  in PyThread_allocate_lock()
95     return (PyThread_type_lock) lock;  in PyThread_allocate_lock()
99 PyThread_free_lock(PyThread_type_lock lock)  in PyThread_free_lock()  argument
101     dprintf(("PyThread_free_lock(%p) called\n", lock));  in PyThread_free_lock()
102     mutex_destroy((mutex_t *) lock);  in PyThread_free_lock()
103     free((void *) lock);  in PyThread_free_lock()
107 PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)  in PyThread_acquire_lock()  argument
111     dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));  in PyThread_acquire_lock()
113         success = mutex_lock((mutex_t *) lock);  in PyThread_acquire_lock()
115         success = mutex_trylock((mutex_t *) lock);  in PyThread_acquire_lock()
120     dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));  in PyThread_acquire_lock()
125 PyThread_release_lock(PyThread_type_lock lock)  in PyThread_release_lock()  argument
127     dprintf(("PyThread_release_lock(%p) called\n", lock));  in PyThread_release_lock()
128     if (mutex_unlock((mutex_t *) lock))  in PyThread_release_lock()