Lines Matching refs:lock

58 ck_spinlock_anderson_init(struct ck_spinlock_anderson *lock,  in ck_spinlock_anderson_init()  argument
71 lock->slots = slots; in ck_spinlock_anderson_init()
72 lock->count = count; in ck_spinlock_anderson_init()
73 lock->mask = count - 1; in ck_spinlock_anderson_init()
74 lock->next = 0; in ck_spinlock_anderson_init()
82 lock->wrap = (UINT_MAX % count) + 1; in ck_spinlock_anderson_init()
84 lock->wrap = 0; in ck_spinlock_anderson_init()
91 ck_spinlock_anderson_locked(struct ck_spinlock_anderson *lock) in ck_spinlock_anderson_locked() argument
96 position = ck_pr_load_uint(&lock->next) & lock->mask; in ck_spinlock_anderson_locked()
97 r = ck_pr_load_uint(&lock->slots[position].locked); in ck_spinlock_anderson_locked()
103 ck_spinlock_anderson_lock(struct ck_spinlock_anderson *lock, in ck_spinlock_anderson_lock() argument
107 unsigned int count = lock->count; in ck_spinlock_anderson_lock()
114 if (lock->wrap != 0) { in ck_spinlock_anderson_lock()
115 position = ck_pr_load_uint(&lock->next); in ck_spinlock_anderson_lock()
119 next = lock->wrap; in ck_spinlock_anderson_lock()
122 } while (ck_pr_cas_uint_value(&lock->next, position, in ck_spinlock_anderson_lock()
127 position = ck_pr_faa_uint(&lock->next, 1); in ck_spinlock_anderson_lock()
128 position &= lock->mask; in ck_spinlock_anderson_lock()
138 while (ck_pr_load_uint(&lock->slots[position].locked) == true) in ck_spinlock_anderson_lock()
142 ck_pr_store_uint(&lock->slots[position].locked, true); in ck_spinlock_anderson_lock()
145 *slot = lock->slots + position; in ck_spinlock_anderson_lock()
150 ck_spinlock_anderson_unlock(struct ck_spinlock_anderson *lock, in ck_spinlock_anderson_unlock() argument
158 if (lock->wrap == 0) in ck_spinlock_anderson_unlock()
159 position = (slot->position + 1) & lock->mask; in ck_spinlock_anderson_unlock()
161 position = (slot->position + 1) % lock->count; in ck_spinlock_anderson_unlock()
163 ck_pr_store_uint(&lock->slots[position].locked, false); in ck_spinlock_anderson_unlock()