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Viewing changes to include/atomic/nolock.h

  • Committer: Bazaar Package Importer
  • Author(s): Norbert Tretkowski
  • Date: 2010-03-17 14:56:02 UTC
  • Revision ID: james.westby@ubuntu.com-20100317145602-x7e30l1b2sb5s6w6
Tags: upstream-5.1.45
Import upstream version 5.1.45

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include/atomic/nolock.h
 
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/* 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; version 2 of the License.
 
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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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#if defined(__i386__) || defined(_M_IX86) || defined(HAVE_GCC_ATOMIC_BUILTINS)
 
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#ifdef MY_ATOMIC_MODE_DUMMY
 
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#  define LOCK ""
 
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#else
 
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#  define LOCK "lock"
 
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#endif
 
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#ifdef HAVE_GCC_ATOMIC_BUILTINS
 
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#include "gcc_builtins.h"
 
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#elif __GNUC__
 
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#include "x86-gcc.h"
 
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#elif defined(_MSC_VER)
 
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#include "x86-msvc.h"
 
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#endif
 
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#endif
 
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#ifdef make_atomic_cas_body
 
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typedef struct { } my_atomic_rwlock_t;
 
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#define my_atomic_rwlock_destroy(name)
 
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#define my_atomic_rwlock_init(name)
 
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#define my_atomic_rwlock_rdlock(name)
 
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#define my_atomic_rwlock_wrlock(name)
 
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#define my_atomic_rwlock_rdunlock(name)
 
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#define my_atomic_rwlock_wrunlock(name)
 
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#endif
 
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