Esempio n. 1
0
/**
 * __rt_mutex_init - initialize the rt lock
 *
 * @lock: the rt lock to be initialized
 *
 * Initialize the rt lock to unlocked state.
 *
 * Initializing of a locked rt lock is not allowed
 */
void __rt_mutex_init(struct rt_mutex *lock, const char *name)
{
	lock->owner = NULL;
	raw_spin_lock_init(&lock->wait_lock);
	plist_head_init_raw(&lock->wait_list, &lock->wait_lock);

	debug_rt_mutex_init(lock, name);
}
Esempio n. 2
0
static void rt_mutex_init_task(struct task_struct *p)
{
	raw_spin_lock_init(&p->pi_lock);
#ifdef CONFIG_RT_MUTEXES
	plist_head_init_raw(&p->pi_waiters, &p->pi_lock);
	p->pi_blocked_on = NULL;
#endif
}
Esempio n. 3
0
/*
 * we initialize the wait_list runtime. (Could be done build-time and/or
 * boot-time.)
 */
static inline void init_lists(struct rt_mutex *lock)
{
	if (unlikely(!lock->wait_list.prio_list.prev)) {
		plist_head_init_raw(&lock->wait_list, &lock->wait_lock);
#ifdef CONFIG_DEBUG_RT_MUTEXES
		pi_initialized++;
#endif
	}
}