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