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authorRemko Tronçon <git@el-tramo.be>2010-02-11 12:14:00 (GMT)
committerRemko Tronçon <git@el-tramo.be>2010-02-11 12:14:00 (GMT)
commit0efa7c32aaf21a29b42b5926cc116007056843be (patch)
tree882f663a5dd0e65694bf6077b71086dd77fd7ff8 /3rdParty/Boost/boost/thread/win32/once.hpp
parent1d20eabbc32274b491b4c2bedf73d19933d97bfd (diff)
downloadswift-contrib-0efa7c32aaf21a29b42b5926cc116007056843be.zip
swift-contrib-0efa7c32aaf21a29b42b5926cc116007056843be.tar.bz2
Moved some modules into separate git modules.
Diffstat (limited to '3rdParty/Boost/boost/thread/win32/once.hpp')
m---------3rdParty/Boost0
-rw-r--r--3rdParty/Boost/boost/thread/win32/once.hpp136
2 files changed, 0 insertions, 136 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost
new file mode 160000
+Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79
diff --git a/3rdParty/Boost/boost/thread/win32/once.hpp b/3rdParty/Boost/boost/thread/win32/once.hpp
deleted file mode 100644
index a6fcc94..0000000
--- a/3rdParty/Boost/boost/thread/win32/once.hpp
+++ /dev/null
@@ -1,136 +0,0 @@
-#ifndef BOOST_THREAD_WIN32_ONCE_HPP
-#define BOOST_THREAD_WIN32_ONCE_HPP
-
-// once.hpp
-//
-// (C) Copyright 2005-7 Anthony Williams
-// (C) Copyright 2005 John Maddock
-//
-// 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 <cstring>
-#include <cstddef>
-#include <boost/assert.hpp>
-#include <boost/static_assert.hpp>
-#include <boost/detail/interlocked.hpp>
-#include <boost/thread/win32/thread_primitives.hpp>
-#include <boost/thread/win32/interlocked_read.hpp>
-
-#include <boost/config/abi_prefix.hpp>
-
-#ifdef BOOST_NO_STDC_NAMESPACE
-namespace std
-{
- using ::memcpy;
- using ::ptrdiff_t;
-}
-#endif
-
-namespace boost
-{
- typedef long once_flag;
-
-#define BOOST_ONCE_INIT 0
-
- namespace detail
- {
- struct win32_mutex_scoped_lock
- {
- void* const mutex_handle;
- explicit win32_mutex_scoped_lock(void* mutex_handle_):
- mutex_handle(mutex_handle_)
- {
- BOOST_VERIFY(!win32::WaitForSingleObject(mutex_handle,win32::infinite));
- }
- ~win32_mutex_scoped_lock()
- {
- BOOST_VERIFY(win32::ReleaseMutex(mutex_handle)!=0);
- }
- private:
- void operator=(win32_mutex_scoped_lock&);
- };
-
-#ifdef BOOST_NO_ANSI_APIS
- template <class I>
- void int_to_string(I p, wchar_t* buf)
- {
- for(unsigned i=0; i < sizeof(I)*2; ++i,++buf)
- {
- *buf = L'A' + static_cast<wchar_t>((p >> (i*4)) & 0x0f);
- }
- *buf = 0;
- }
-#else
- template <class I>
- void int_to_string(I p, char* buf)
- {
- for(unsigned i=0; i < sizeof(I)*2; ++i,++buf)
- {
- *buf = 'A' + static_cast<char>((p >> (i*4)) & 0x0f);
- }
- *buf = 0;
- }
-#endif
-
- // create a named mutex. It doesn't really matter what this name is
- // as long as it is unique both to this process, and to the address of "flag":
- inline void* create_once_mutex(void* flag_address)
- {
-
-#ifdef BOOST_NO_ANSI_APIS
- typedef wchar_t char_type;
- static const char_type fixed_mutex_name[]=L"{C15730E2-145C-4c5e-B005-3BC753F42475}-once-flag";
-#else
- typedef char char_type;
- static const char_type fixed_mutex_name[]="{C15730E2-145C-4c5e-B005-3BC753F42475}-once-flag";
-#endif
- unsigned const once_mutex_name_fixed_buffer_size=sizeof(fixed_mutex_name)/sizeof(char_type);
- unsigned const once_mutex_name_fixed_length=once_mutex_name_fixed_buffer_size-1;
- unsigned const once_mutex_name_length=once_mutex_name_fixed_buffer_size+sizeof(void*)*2+sizeof(unsigned long)*2;
- char_type mutex_name[once_mutex_name_length];
-
- std::memcpy(mutex_name,fixed_mutex_name,sizeof(fixed_mutex_name));
-
- BOOST_STATIC_ASSERT(sizeof(void*) == sizeof(std::ptrdiff_t));
- detail::int_to_string(reinterpret_cast<std::ptrdiff_t>(flag_address), mutex_name + once_mutex_name_fixed_length);
- detail::int_to_string(win32::GetCurrentProcessId(), mutex_name + once_mutex_name_fixed_length + sizeof(void*)*2);
-
-#ifdef BOOST_NO_ANSI_APIS
- return win32::CreateMutexW(0, 0, mutex_name);
-#else
- return win32::CreateMutexA(0, 0, mutex_name);
-#endif
- }
-
-
- }
-
-
- template<typename Function>
- void call_once(once_flag& flag,Function f)
- {
- // Try for a quick win: if the procedure has already been called
- // just skip through:
- long const function_complete_flag_value=0xc15730e2;
-
- if(::boost::detail::interlocked_read_acquire(&flag)!=function_complete_flag_value)
- {
- void* const mutex_handle(::boost::detail::create_once_mutex(&flag));
- BOOST_ASSERT(mutex_handle);
- detail::win32::handle_manager const closer(mutex_handle);
- detail::win32_mutex_scoped_lock const lock(mutex_handle);
-
- if(flag!=function_complete_flag_value)
- {
- f();
- BOOST_INTERLOCKED_EXCHANGE(&flag,function_complete_flag_value);
- }
- }
- }
-}
-
-#include <boost/config/abi_suffix.hpp>
-
-#endif