c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby/*
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * CDDL HEADER START
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby *
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * The contents of this file are subject to the terms of the
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * Common Development and Distribution License (the "License").
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * You may not use this file except in compliance with the License.
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby *
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * or http://www.opensolaris.org/os/licensing.
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * See the License for the specific language governing permissions
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * and limitations under the License.
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby *
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * When distributing Covered Code, include this CDDL HEADER in each
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * If applicable, add the following below this CDDL HEADER, with the
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * fields enclosed by brackets "[]" replaced with your own identifying
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * information: Portions Copyright [yyyy] [name of copyright owner]
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby *
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * CDDL HEADER END
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby */
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby/*
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby */
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#ifndef _SYS_ZFS_ONEXIT_H
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#define _SYS_ZFS_ONEXIT_H
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#include <sys/zfs_context.h>
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#ifdef __cplusplus
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirbyextern "C" {
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#endif
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#ifdef _KERNEL
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirbytypedef struct zfs_onexit {
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby kmutex_t zo_lock;
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby list_t zo_actions;
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby} zfs_onexit_t;
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirbytypedef struct zfs_onexit_action_node {
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby list_node_t za_link;
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby void (*za_func)(void *);
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby void *za_data;
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby} zfs_onexit_action_node_t;
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirbyextern void zfs_onexit_init(zfs_onexit_t **zo);
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirbyextern void zfs_onexit_destroy(zfs_onexit_t *zo);
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#endif
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
a7f53a5629374ca27c5696ace9a1946c2ca050f4Chris Kirbyextern int zfs_onexit_fd_hold(int fd, minor_t *minorp);
a7f53a5629374ca27c5696ace9a1946c2ca050f4Chris Kirbyextern void zfs_onexit_fd_rele(int fd);
a7f53a5629374ca27c5696ace9a1946c2ca050f4Chris Kirbyextern int zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data,
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby uint64_t *action_handle);
a7f53a5629374ca27c5696ace9a1946c2ca050f4Chris Kirbyextern int zfs_onexit_del_cb(minor_t minor, uint64_t action_handle,
a7f53a5629374ca27c5696ace9a1946c2ca050f4Chris Kirby boolean_t fire);
a7f53a5629374ca27c5696ace9a1946c2ca050f4Chris Kirbyextern int zfs_onexit_cb_data(minor_t minor, uint64_t action_handle,
a7f53a5629374ca27c5696ace9a1946c2ca050f4Chris Kirby void **data);
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#ifdef __cplusplus
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby}
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#endif
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby
c99e4bdccfb4ac4da569c64a43baaf908d726329Chris Kirby#endif /* _SYS_ZFS_ONEXIT_H */