uipc_mqueue.c (76ad42abf9d46c7a86c9e727603fe62e8b62a37b) uipc_mqueue.c (f7496dcab0360a74bfb00cd6118f66323fffda61)
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
5 * Copyright (c) 2016-2017 Robert N. M. Watson
6 * All rights reserved.
7 *
8 * Portions of this software were developed by BAE Systems, the University of

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1559 * See if this prison root is obsolete, and clean up associated queues if it is.
1560 */
1561static int
1562mqfs_prison_remove(void *obj, void *data __unused)
1563{
1564 const struct prison *pr = obj;
1565 struct prison *tpr;
1566 struct mqfs_node *pn, *tpn;
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
5 * Copyright (c) 2016-2017 Robert N. M. Watson
6 * All rights reserved.
7 *
8 * Portions of this software were developed by BAE Systems, the University of

--- 1550 unchanged lines hidden (view full) ---

1559 * See if this prison root is obsolete, and clean up associated queues if it is.
1560 */
1561static int
1562mqfs_prison_remove(void *obj, void *data __unused)
1563{
1564 const struct prison *pr = obj;
1565 struct prison *tpr;
1566 struct mqfs_node *pn, *tpn;
1567 int found;
1567 struct vnode *pr_root;
1568
1568
1569 found = 0;
1569 pr_root = pr->pr_root;
1570 if (pr->pr_parent->pr_root == pr_root)
1571 return (0);
1570 TAILQ_FOREACH(tpr, &allprison, pr_list) {
1572 TAILQ_FOREACH(tpr, &allprison, pr_list) {
1571 prison_lock(tpr);
1572 if (tpr != pr && prison_isvalid(tpr) &&
1573 tpr->pr_root == pr->pr_root)
1574 found = 1;
1575 prison_unlock(tpr);
1573 if (tpr != pr && tpr->pr_root == pr_root)
1574 return (0);
1576 }
1575 }
1577 if (!found) {
1578 /*
1579 * No jails are rooted in this directory anymore,
1580 * so no queues should be either.
1581 */
1582 sx_xlock(&mqfs_data.mi_lock);
1583 LIST_FOREACH_SAFE(pn, &mqfs_data.mi_root->mn_children,
1584 mn_sibling, tpn) {
1585 if (pn->mn_pr_root == pr->pr_root)
1586 (void)do_unlink(pn, curthread->td_ucred);
1587 }
1588 sx_xunlock(&mqfs_data.mi_lock);
1576 /*
1577 * No jails are rooted in this directory anymore,
1578 * so no queues should be either.
1579 */
1580 sx_xlock(&mqfs_data.mi_lock);
1581 LIST_FOREACH_SAFE(pn, &mqfs_data.mi_root->mn_children,
1582 mn_sibling, tpn) {
1583 if (pn->mn_pr_root == pr_root)
1584 (void)do_unlink(pn, curthread->td_ucred);
1589 }
1585 }
1586 sx_xunlock(&mqfs_data.mi_lock);
1590 return (0);
1591}
1592
1593/*
1594 * Allocate a message queue
1595 */
1596static struct mqueue *
1597mqueue_alloc(const struct mq_attr *attr)

--- 1351 unchanged lines hidden --- 		1587 return (0);
1588}
1589
1590/*
1591 * Allocate a message queue
1592 */
1593static struct mqueue *
1594mqueue_alloc(const struct mq_attr *attr)

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