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nolock.h
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#ifndef ATOMIC_NOLOCK_INCLUDED #define ATOMIC_NOLOCK_INCLUDED /* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #if defined(__i386__) || defined(_MSC_VER) || defined(__x86_64__) \ || defined(HAVE_GCC_ATOMIC_BUILTINS) \ || defined(HAVE_SOLARIS_ATOMIC) # ifdef MY_ATOMIC_MODE_DUMMY # define LOCK_prefix "" # else # define LOCK_prefix "lock" # endif /* We choose implementation as follows: ------------------------------------ On Windows using Visual C++ the native implementation should be preferrable. When using gcc we prefer the Solaris implementation before the gcc because of stability preference, we choose gcc builtins if available, otherwise we choose the somewhat broken native x86 implementation. If neither Visual C++ or gcc we still choose the Solaris implementation on Solaris (mainly for SunStudio compilers). */ # if defined(_MSC_VER) # include "generic-msvc.h" # elif __GNUC__ # if defined(HAVE_SOLARIS_ATOMIC) # include "solaris.h" # elif defined(HAVE_GCC_ATOMIC_BUILTINS) # include "gcc_builtins.h" # elif defined(__i386__) || defined(__x86_64__) # include "x86-gcc.h" # endif # elif defined(HAVE_SOLARIS_ATOMIC) # include "solaris.h" # endif #endif #endif /* ATOMIC_NOLOCK_INCLUDED */