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/* Copyright (C) 2006 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#if defined(__i386__) || defined(_M_IX86) || defined(HAVE_GCC_ATOMIC_BUILTINS)
#ifdef MY_ATOMIC_MODE_DUMMY
# define LOCK ""
#else
# define LOCK "lock"
#endif
#ifdef HAVE_GCC_ATOMIC_BUILTINS
#include "gcc_builtins.h"
#elif __GNUC__
#include "x86-gcc.h"
#elif defined(_MSC_VER)
#include "x86-msvc.h"
#endif
#elif defined(HAVE_SOLARIS_ATOMIC)
#include "solaris.h"
#endif /* __i386__ || _M_IX86 || HAVE_GCC_ATOMIC_BUILTINS */
#if defined(make_atomic_cas_body) || defined(MY_ATOMICS_MADE)
/*
* We have atomics that require no locking
*/
#define MY_ATOMIC_NOLOCK
#ifdef __SUNPRO_C
/*
* Sun Studio 12 (and likely earlier) does not accept a typedef struct {}
*/
typedef char my_atomic_rwlock_t;
#else
typedef struct { } my_atomic_rwlock_t;
#endif
#define my_atomic_rwlock_destroy(name)
#define my_atomic_rwlock_init(name)
#define my_atomic_rwlock_rdlock(name)
#define my_atomic_rwlock_wrlock(name)
#define my_atomic_rwlock_rdunlock(name)
#define my_atomic_rwlock_wrunlock(name)
#endif
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