C++ (Cpp) pr_is_watchpage_as示例

示例#1

文件： watchpoint.c 项目： bahamas10/openzfs

/*
 * trap() calls here to determine if a fault is in a watched page.
 * We return nonzero if this is true and the load/store would fail.
 */
int
pr_is_watchpage(caddr_t addr, enum seg_rw rw)
{
	struct as *as = curproc->p_as;

	if ((as == &kas) || avl_numnodes(&as->a_wpage) == 0)
		return (0);

	return (pr_is_watchpage_as(addr, rw, as));
}

示例#2

文件： watchpoint.c 项目： andreiw/polaris

/*
 * trap() calls here to determine if a fault is in a watched page.
 * We return nonzero if this is true and the load/store would fail.
 */
int
pr_is_watchpage(caddr_t addr, enum seg_rw rw)
{
	struct as *as = curproc->p_as;
	int rv;

	if ((as == &kas) || avl_numnodes(&as->a_wpage) == 0)
		return (0);

	/* Grab the lock because of XHAT (see comment in pr_mappage()) */
	AS_LOCK_ENTER(as, &as->a_lock, RW_READER);
	rv = pr_is_watchpage_as(addr, rw, as);
	AS_LOCK_EXIT(as, &as->a_lock);

	return (rv);
}