4 #include <linux/atomic.h>
12  *	if (atomic_dec_and_test(&atomic)) {
19  * "atomic".
21 int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)  in _atomic_dec_and_lock()  argument
24 	if (atomic_add_unless(atomic, -1, 1))  in _atomic_dec_and_lock()
29 	if (atomic_dec_and_test(atomic))  in _atomic_dec_and_lock()
37 int _atomic_dec_and_lock_irqsave(atomic_t *atomic, spinlock_t *lock,  in _atomic_dec_and_lock_irqsave()  argument
41 	if (atomic_add_unless(atomic, -1, 1))  in _atomic_dec_and_lock_irqsave()
46 	if (atomic_dec_and_test(atomic))  in _atomic_dec_and_lock_irqsave()
53 int _atomic_dec_and_raw_lock(atomic_t *atomic, raw_spinlock_t *lock)  in _atomic_dec_and_raw_lock()  argument
56 	if (atomic_add_unless(atomic, -1, 1))  in _atomic_dec_and_raw_lock()
61 	if (atomic_dec_and_test(atomic))  in _atomic_dec_and_raw_lock()
68 int _atomic_dec_and_raw_lock_irqsave(atomic_t *atomic, raw_spinlock_t *lock,  in _atomic_dec_and_raw_lock_irqsave()  argument
72 	if (atomic_add_unless(atomic, -1, 1))  in _atomic_dec_and_raw_lock_irqsave()
77 	if (atomic_dec_and_test(atomic))  in _atomic_dec_and_raw_lock_irqsave()