mirror_zfs/include/sys/zfs_onexit.h
Brooks Davis 250b2bac78 zfs_onexit_add_cb: make action_handle point to a uintptr_t
Avoid assuming than a uint64_t can hold a pointer and reduce the
number of casts in the process.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Signed-off-by: Brooks Davis <brooks.davis@sri.com>
Closes #14131
2022-11-03 09:52:12 -07:00

64 lines
1.7 KiB
C

/*
* 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 https://opensource.org/licenses/CDDL-1.0.
* 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.
* Copyright (c) 2020 by Delphix. 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 zfs_file_t *zfs_onexit_fd_hold(int fd, minor_t *minorp);
extern void zfs_onexit_fd_rele(zfs_file_t *);
extern int zfs_onexit_add_cb(minor_t minor, void (*func)(void *), void *data,
uintptr_t *action_handle);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ZFS_ONEXIT_H */