diff options
Diffstat (limited to 'uts/common/fs/zfs/sys/zfs_onexit.h')
-rw-r--r-- | uts/common/fs/zfs/sys/zfs_onexit.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/uts/common/fs/zfs/sys/zfs_onexit.h b/uts/common/fs/zfs/sys/zfs_onexit.h new file mode 100644 index 000000000000..4982bd4d0afc --- /dev/null +++ b/uts/common/fs/zfs/sys/zfs_onexit.h @@ -0,0 +1,66 @@ +/* + * 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 */ |