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libspl: move mutex headers from zfs_context.h

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Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Closes #17861
This commit is contained in:
Rob Norris
2025-08-09 09:51:43 +10:00
committed by Brian Behlendorf
parent ba2ff4b42c
commit cc119fbb48
3 changed files with 60 additions and 24 deletions
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lib/libspl/include/Makefile.am
+1
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@@ -44,6 +44,7 @@ libspl_sys_HEADERS = \
%D%/sys/mhd.h \
%D%/sys/mkdev.h \
%D%/sys/mod.h \
%D%/sys/mutex.h \
%D%/sys/policy.h \
%D%/sys/poll.h \
%D%/sys/priv.h \
lib/libspl/include/sys/mutex.h
+58
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@@ -0,0 +1,58 @@
// 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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
#ifndef _SYS_MUTEX_H
#define _SYS_MUTEX_H
#include <pthread.h>
/*
* Mutexes
*/
typedef struct kmutex {
pthread_mutex_t m_lock;
pthread_t m_owner;
} kmutex_t;
#define MUTEX_DEFAULT 0
#define MUTEX_NOLOCKDEP MUTEX_DEFAULT
#define MUTEX_HELD(mp) pthread_equal((mp)->m_owner, pthread_self())
#define MUTEX_NOT_HELD(mp) !MUTEX_HELD(mp)
extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
extern void mutex_destroy(kmutex_t *mp);
extern void mutex_enter(kmutex_t *mp);
extern int mutex_enter_check_return(kmutex_t *mp);
extern void mutex_exit(kmutex_t *mp);
extern int mutex_tryenter(kmutex_t *mp);
#define NESTED_SINGLE 1
#define mutex_enter_nested(mp, class) mutex_enter(mp)
#define mutex_enter_interruptible(mp) mutex_enter_check_return(mp)
#endif /* _SYS_MUTEX_H */