mirror of https://github.com/F-Stack/f-stack.git
65 lines
2.2 KiB
C
65 lines
2.2 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_MACHINE_COUNTER_H__
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#define __FSTACK_MACHINE_COUNTER_H__
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#include <sys/pcpu.h>
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#define EARLY_COUNTER &pcpup->pc_early_dummy_counter
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#define COUNTER_U64_DEFINE_EARLY(c) \
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counter_u64_t __read_mostly c = (void *)__offsetof(struct pcpu, pc_early_dummy_counter); \
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COUNTER_U64_SYSINIT(c)
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#define counter_enter() do {} while (0)
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#define counter_exit() do {} while (0)
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#ifdef IN_SUBR_COUNTER_C
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static inline uint64_t
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counter_u64_fetch_inline(uint64_t *p)
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{
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return (*p);
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}
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static inline void
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counter_u64_zero_inline(counter_u64_t c)
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{
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*c = 0;
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}
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#endif
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#define counter_u64_add_protected(c, i) counter_u64_add(c, i)
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static inline void
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counter_u64_add(counter_u64_t c, int64_t inc)
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{
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*c += inc;
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}
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#endif /* ! __FSTACK_MACHINE_COUNTER_H__ */
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