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authorRemko Tronçon <git@el-tramo.be>2010-03-28 15:46:49 (GMT)
committerRemko Tronçon <git@el-tramo.be>2010-03-28 15:46:49 (GMT)
commitf53a1ef582494458301b97bf6e546be52d7ff7e8 (patch)
tree7571b5cbcbd8a8f1dd1c966c9045b6cb69f0e295 /3rdParty/Boost/src/boost/thread/win32/interlocked_read.hpp
parent638345680d72ca6acaf123f2c8c1c391f696e371 (diff)
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swift-contrib-f53a1ef582494458301b97bf6e546be52d7ff7e8.tar.bz2
Moving submodule contents back.
Diffstat (limited to '3rdParty/Boost/src/boost/thread/win32/interlocked_read.hpp')
-rw-r--r--3rdParty/Boost/src/boost/thread/win32/interlocked_read.hpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/thread/win32/interlocked_read.hpp b/3rdParty/Boost/src/boost/thread/win32/interlocked_read.hpp
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--- /dev/null
+++ b/3rdParty/Boost/src/boost/thread/win32/interlocked_read.hpp
@@ -0,0 +1,80 @@
+#ifndef BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP
+#define BOOST_THREAD_DETAIL_INTERLOCKED_READ_WIN32_HPP
+
+// interlocked_read_win32.hpp
+//
+// (C) Copyright 2005-8 Anthony Williams
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/detail/interlocked.hpp>
+
+#include <boost/config/abi_prefix.hpp>
+
+#ifdef BOOST_MSVC
+
+extern "C" void _ReadWriteBarrier(void);
+#pragma intrinsic(_ReadWriteBarrier)
+
+namespace boost
+{
+ namespace detail
+ {
+ inline long interlocked_read_acquire(long volatile* x)
+ {
+ long const res=*x;
+ _ReadWriteBarrier();
+ return res;
+ }
+ inline void* interlocked_read_acquire(void* volatile* x)
+ {
+ void* const res=*x;
+ _ReadWriteBarrier();
+ return res;
+ }
+
+ inline void interlocked_write_release(long volatile* x,long value)
+ {
+ _ReadWriteBarrier();
+ *x=value;
+ }
+ inline void interlocked_write_release(void* volatile* x,void* value)
+ {
+ _ReadWriteBarrier();
+ *x=value;
+ }
+ }
+}
+
+#else
+
+namespace boost
+{
+ namespace detail
+ {
+ inline long interlocked_read_acquire(long volatile* x)
+ {
+ return BOOST_INTERLOCKED_COMPARE_EXCHANGE(x,0,0);
+ }
+ inline void* interlocked_read_acquire(void* volatile* x)
+ {
+ return BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(x,0,0);
+ }
+ inline void interlocked_write_release(long volatile* x,long value)
+ {
+ BOOST_INTERLOCKED_EXCHANGE(x,value);
+ }
+ inline void interlocked_write_release(void* volatile* x,void* value)
+ {
+ BOOST_INTERLOCKED_EXCHANGE_POINTER(x,value);
+ }
+ }
+}
+
+#endif
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif