1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or https://opensource.org/licenses/CDDL-1.0. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 25 * Copyright (c) 2020 by Delphix. All rights reserved. 26 */ 27 28 #ifndef _SYS_ZFS_ONEXIT_H 29 #define _SYS_ZFS_ONEXIT_H 30 31 #include <sys/zfs_context.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #ifdef _KERNEL 38 39 typedef struct zfs_onexit { 40 kmutex_t zo_lock; 41 list_t zo_actions; 42 } zfs_onexit_t; 43 44 typedef struct zfs_onexit_action_node { 45 list_node_t za_link; 46 void (*za_func)(void *); 47 void *za_data; 48 } zfs_onexit_action_node_t; 49 50 extern void zfs_onexit_init(zfs_onexit_t **zo); 51 extern void zfs_onexit_destroy(zfs_onexit_t *zo); 52 53 #endif 54 55 extern zfs_file_t *zfs_onexit_fd_hold(int fd, minor_t *minorp); 56 extern void zfs_onexit_fd_rele(zfs_file_t *); 57 extern int zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data, 58 uintptr_t *action_handle); 59 60 #ifdef __cplusplus 61 } 62 #endif 63 64 #endif /* _SYS_ZFS_ONEXIT_H */ 65