2  * Copyright 2010-2015 Samy Al Bahra.
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
11  *    notice, this list of conditions and the following disclaimer in the
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49 ck_spinlock_cas_init(struct ck_spinlock_cas *lock)  in ck_spinlock_cas_init()  argument
52 	lock->value = false;  in ck_spinlock_cas_init()
58 ck_spinlock_cas_trylock(struct ck_spinlock_cas *lock)  in ck_spinlock_cas_trylock()  argument
62 	value = ck_pr_fas_uint(&lock->value, true);  in ck_spinlock_cas_trylock()
68 ck_spinlock_cas_locked(struct ck_spinlock_cas *lock)  in ck_spinlock_cas_locked()  argument
70 	bool r = ck_pr_load_uint(&lock->value);  in ck_spinlock_cas_locked()
77 ck_spinlock_cas_lock(struct ck_spinlock_cas *lock)  in ck_spinlock_cas_lock()  argument
80 	while (ck_pr_cas_uint(&lock->value, false, true) == false) {  in ck_spinlock_cas_lock()
81 		while (ck_pr_load_uint(&lock->value) == true)  in ck_spinlock_cas_lock()
90 ck_spinlock_cas_lock_eb(struct ck_spinlock_cas *lock)  in ck_spinlock_cas_lock_eb()  argument
94 	while (ck_pr_cas_uint(&lock->value, false, true) == false)  in ck_spinlock_cas_lock_eb()
102 ck_spinlock_cas_unlock(struct ck_spinlock_cas *lock)  in ck_spinlock_cas_unlock()  argument
105 	/* Set lock state to unlocked. */  in ck_spinlock_cas_unlock()
107 	ck_pr_store_uint(&lock->value, false);  in ck_spinlock_cas_unlock()