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 33 extern "C" { 34 #endif 35 36 #ifdef _KERNEL 37 38 typedef struct zfs_onexit { 39 kmutex_t zo_lock; 40 list_t zo_actions; 41 } zfs_onexit_t; 42 43 typedef 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 49 extern void zfs_onexit_init(zfs_onexit_t **zo); 50 extern void zfs_onexit_destroy(zfs_onexit_t *zo); 51 52 #endif 53 54 extern zfs_file_t *zfs_onexit_fd_hold(int fd, minor_t *minorp); 55 extern void zfs_onexit_fd_rele(zfs_file_t *); 56 extern 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