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46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/* Copyright (C) 2006 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef atomic_rwlock_init
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#ifdef MY_ATOMIC_EXTRA_DEBUG
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#ifndef MY_ATOMIC_MODE_RWLOCKS
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#error MY_ATOMIC_EXTRA_DEBUG can be only used with MY_ATOMIC_MODE_RWLOCKS
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#endif
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#define LOCK_PTR void *rw;
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#else
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#define LOCK_PTR
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#endif
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typedef volatile struct {uint8 val; LOCK_PTR} my_atomic_8_t;
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typedef volatile struct {uint16 val; LOCK_PTR} my_atomic_16_t;
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typedef volatile struct {uint32 val; LOCK_PTR} my_atomic_32_t;
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typedef volatile struct {uint64 val; LOCK_PTR} my_atomic_64_t;
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#ifndef MY_ATOMIC_MODE_RWLOCKS
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#include "atomic/nolock.h"
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#endif
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#ifndef my_atomic_rwlock_init
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#include "atomic/rwlock.h"
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#endif
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#define MY_ATOMIC_OK 0
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#define MY_ATOMIC_NOT_1CPU 1
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extern int my_atomic_initialize();
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#endif
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