mirror of https://github.com/F-Stack/f-stack.git
64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/*
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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 _FSTACK_SYS_RWLOCK_H_
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#define _FSTACK_SYS_RWLOCK_H_
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#include_next <sys/rwlock.h>
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#undef rw_init
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#undef rw_init_flags
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#undef rw_destroy
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#undef rw_wowned
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#undef _rw_wlock
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#undef _rw_try_wlock
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#undef _rw_wunlock
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#undef _rw_rlock
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#undef _rw_try_rlock
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#undef _rw_runlock
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#undef _rw_try_upgrade
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#undef _rw_downgrade
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#define DO_NOTHING do {} while(0)
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void ff_rw_init_flags(struct lock_object *lo, const char *name, int opts);
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#define rw_init(rw, n) \
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rw_init_flags((rw), (n), 0)
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#define rw_init_flags(rw, n, o) \
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ff_rw_init_flags(&(rw)->lock_object, (n), (o))
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#define rw_destroy(rw) DO_NOTHING
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#define rw_wowned(rw) 1
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#define _rw_wlock(rw, f, l) DO_NOTHING
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#define _rw_try_wlock(rw, f, l) 1
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#define _rw_wunlock(rw, f, l) DO_NOTHING
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#define _rw_rlock(rw, f, l) DO_NOTHING
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#define _rw_try_rlock(rw, f, l) 1
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#define _rw_runlock(rw, f, l) DO_NOTHING
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#define _rw_try_upgrade(rw, f, l) 1
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#define _rw_downgrade(rw, f, l) DO_NOTHING
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#endif /* _FSTACK_SYS_RWLOCK_H_ */
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