zfs_onexit.h

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    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 */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/include/sys/zfs_onexit.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/include/sys/zfs_onexit.h