9 struct lock {  struct
59  * Lock support.
63     struct lock *lock;  in PyThread_allocate_lock()  local
70     lock = (struct lock *) malloc(sizeof(struct lock));  in PyThread_allocate_lock()
71     lock->lock_locked = 0;  in PyThread_allocate_lock()
72     (void) mon_create(&lock->lock_monitor);  in PyThread_allocate_lock()
73     (void) cv_create(&lock->lock_condvar, lock->lock_monitor);  in PyThread_allocate_lock()
74     dprintf(("PyThread_allocate_lock() -> %p\n", lock));  in PyThread_allocate_lock()
75     return (PyThread_type_lock) lock;  in PyThread_allocate_lock()
78 void PyThread_free_lock(PyThread_type_lock lock)  in PyThread_free_lock()  argument
80     dprintf(("PyThread_free_lock(%p) called\n", lock));  in PyThread_free_lock()
81     mon_destroy(((struct lock *) lock)->lock_monitor);  in PyThread_free_lock()
82     free((char *) lock);  in PyThread_free_lock()
85 int PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)  in PyThread_acquire_lock()  argument
89     dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));  in PyThread_acquire_lock()
92     (void) mon_enter(((struct lock *) lock)->lock_monitor);  in PyThread_acquire_lock()
94         while (((struct lock *) lock)->lock_locked)  in PyThread_acquire_lock()
95             cv_wait(((struct lock *) lock)->lock_condvar);  in PyThread_acquire_lock()
96     if (!((struct lock *) lock)->lock_locked) {  in PyThread_acquire_lock()
98         ((struct lock *) lock)->lock_locked = 1;  in PyThread_acquire_lock()
100     cv_broadcast(((struct lock *) lock)->lock_condvar);  in PyThread_acquire_lock()
101     mon_exit(((struct lock *) lock)->lock_monitor);  in PyThread_acquire_lock()
102     dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));  in PyThread_acquire_lock()
106 void PyThread_release_lock(PyThread_type_lock lock)  in PyThread_release_lock()  argument
108     dprintf(("PyThread_release_lock(%p) called\n", lock));  in PyThread_release_lock()
109     (void) mon_enter(((struct lock *) lock)->lock_monitor);  in PyThread_release_lock()
110     ((struct lock *) lock)->lock_locked = 0;  in PyThread_release_lock()
111     cv_broadcast(((struct lock *) lock)->lock_condvar);  in PyThread_release_lock()
112     mon_exit(((struct lock *) lock)->lock_monitor);  in PyThread_release_lock()