mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2025-10-26 18:05:04 +03:00
9530eb64e0
Sponsored-by: https://despairlabs.com/sponsor/ Signed-off-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
// SPDX-License-Identifier: CDDL-1.0
|
|
/*
|
|
* 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) 2015 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _SYS_ZRLOCK_H
|
|
#define _SYS_ZRLOCK_H
|
|
|
|
#include <sys/zfs_context.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct zrlock {
|
|
kmutex_t zr_mtx;
|
|
kcondvar_t zr_cv;
|
|
volatile int32_t zr_refcount;
|
|
#ifdef ZFS_DEBUG
|
|
kthread_t *zr_owner;
|
|
const char *zr_caller;
|
|
#endif
|
|
} zrlock_t;
|
|
|
|
extern void zrl_init(zrlock_t *);
|
|
extern void zrl_destroy(zrlock_t *);
|
|
#define zrl_add(_z) zrl_add_impl((_z), __func__)
|
|
extern void zrl_add_impl(zrlock_t *, const char *);
|
|
extern void zrl_remove(zrlock_t *);
|
|
extern int zrl_tryenter(zrlock_t *);
|
|
extern void zrl_exit(zrlock_t *);
|
|
extern int zrl_is_zero(zrlock_t *);
|
|
extern int zrl_is_locked(zrlock_t *);
|
|
#ifdef ZFS_DEBUG
|
|
extern kthread_t *zrl_owner(zrlock_t *);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _SYS_ZRLOCK_H */
|