mirror of https://github.com/F-Stack/f-stack.git
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*
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* Copyright (c) 2010 Kip Macy All rights reserved.
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* Copyright (c) 2013 Patrick Kelsey. All rights reserved.
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* Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _SYS__MUTEX_H_
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#define _SYS__MUTEX_H_
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/*
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* Sleep/spin mutex
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*/
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struct mtx {
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struct lock_object lock_object;
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void* mtx_lock;
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};
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/*
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* Members of struct mtx_padalign must mirror members of struct mtx.
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* mtx_padalign mutexes can use the mtx(9) API transparently without
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* modification.
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*/
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struct mtx_padalign {
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struct lock_object lock_object;
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void* mtx_lock;
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} __attribute__((__aligned__(64)));
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#endif
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