1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or https://opensource.org/licenses/CDDL-1.0. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2020 by Delphix. All rights reserved. 25 */ 26 27#ifndef _SYS_ZFS_ONEXIT_H 28#define _SYS_ZFS_ONEXIT_H 29 30#include <sys/zfs_context.h> 31 32#ifdef __cplusplus 33extern "C" { 34#endif 35 36#ifdef _KERNEL 37 38typedef struct zfs_onexit { 39 kmutex_t zo_lock; 40 list_t zo_actions; 41} zfs_onexit_t; 42 43typedef struct zfs_onexit_action_node { 44 list_node_t za_link; 45 void (*za_func)(void *); 46 void *za_data; 47} zfs_onexit_action_node_t; 48 49extern void zfs_onexit_init(zfs_onexit_t **zo); 50extern void zfs_onexit_destroy(zfs_onexit_t *zo); 51 52#endif 53 54extern zfs_file_t *zfs_onexit_fd_hold(int fd, minor_t *minorp); 55extern void zfs_onexit_fd_rele(zfs_file_t *); 56extern int zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data, 57 uintptr_t *action_handle); 58 59#ifdef __cplusplus 60} 61#endif 62 63#endif /* _SYS_ZFS_ONEXIT_H */ 64