C++ (Cpp) hw_lock_init Examples

Example #1

File: lock.c Project: rohsaini/mkunity

/*
 *	Initialize a usimple_lock.
 *
 *	MACH_RT:  No change in preemption state.
 */
void
usimple_lock_init(
	usimple_lock_t	l,
	etap_event_t	event)
{
	USLDBG(usld_lock_init(l, event));
	ETAPCALL(etap_simplelock_init((l),(event)));
	hw_lock_init(&l->interlock);
}

Example #2

File: locks_i386.c Project: MACasuba/MACasuba-Utils-git

/*
 *	Initialize a usimple_lock.
 *
 *	No change in preemption state.
 */
void
usimple_lock_init(
	usimple_lock_t	l,
	__unused unsigned short	tag)
{
#ifndef	MACHINE_SIMPLE_LOCK
	USLDBG(usld_lock_init(l, tag));
	hw_lock_init(&l->interlock);
#else
	simple_lock_init((simple_lock_t)l,tag);
#endif
}

Example #3

File: wait_queue.c Project: OpenDarwin-CVS/SEDarwin

/*
 *	Routine:        wait_queue_init
 *	Purpose:
 *		Initialize a previously allocated wait queue.
 *	Returns:
 *		KERN_SUCCESS - The wait_queue_t was initialized
 *		KERN_INVALID_ARGUMENT - The policy parameter was invalid
 */
kern_return_t
wait_queue_init(
	wait_queue_t wq,
	int policy)
{
	if (!((policy & SYNC_POLICY_ORDER_MASK) == SYNC_POLICY_FIFO))
		return KERN_INVALID_ARGUMENT;

	wq->wq_fifo = TRUE;
	wq->wq_type = _WAIT_QUEUE_inited;
	queue_init(&wq->wq_queue);
	hw_lock_init(&wq->wq_interlock);
	return KERN_SUCCESS;
}

Example #4

File: wait_queue.c Project: Prajna/xnu

/*
 *	Routine:        wait_queue_init
 *	Purpose:
 *		Initialize a previously allocated wait queue.
 *	Returns:
 *		KERN_SUCCESS - The wait_queue_t was initialized
 *		KERN_INVALID_ARGUMENT - The policy parameter was invalid
 */
kern_return_t
wait_queue_init(
	wait_queue_t wq,
	int policy)
{
	/* only FIFO and LIFO for now */
	if ((policy & SYNC_POLICY_FIXED_PRIORITY) != 0)
		return KERN_INVALID_ARGUMENT;

	wq->wq_fifo = ((policy & SYNC_POLICY_REVERSED) == 0);
	wq->wq_type = _WAIT_QUEUE_inited;
	queue_init(&wq->wq_queue);
	hw_lock_init(&wq->wq_interlock);
	return KERN_SUCCESS;
}