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| author | Remko Tronçon <git@el-tramo.be> | 2010-02-11 12:14:00 (GMT) |
|---|---|---|
| committer | Remko Tronçon <git@el-tramo.be> | 2010-02-11 12:14:00 (GMT) |
| commit | 0efa7c32aaf21a29b42b5926cc116007056843be (patch) | |
| tree | 882f663a5dd0e65694bf6077b71086dd77fd7ff8 /3rdParty/Boost/boost/smart_ptr/detail/yield_k.hpp | |
| parent | 1d20eabbc32274b491b4c2bedf73d19933d97bfd (diff) | |
| download | swift-0efa7c32aaf21a29b42b5926cc116007056843be.zip swift-0efa7c32aaf21a29b42b5926cc116007056843be.tar.bz2 | |
Moved some modules into separate git modules.
Diffstat (limited to '3rdParty/Boost/boost/smart_ptr/detail/yield_k.hpp')
| m--------- | 3rdParty/Boost | 0 | ||||
| -rw-r--r-- | 3rdParty/Boost/boost/smart_ptr/detail/yield_k.hpp | 149 |
2 files changed, 0 insertions, 149 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost new file mode 160000 +Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79 diff --git a/3rdParty/Boost/boost/smart_ptr/detail/yield_k.hpp b/3rdParty/Boost/boost/smart_ptr/detail/yield_k.hpp deleted file mode 100644 index a956cc0..0000000 --- a/3rdParty/Boost/boost/smart_ptr/detail/yield_k.hpp +++ /dev/null @@ -1,149 +0,0 @@ -#ifndef BOOST_SMART_PTR_DETAIL_YIELD_K_HPP_INCLUDED -#define BOOST_SMART_PTR_DETAIL_YIELD_K_HPP_INCLUDED - -// MS compatible compilers support #pragma once - -#if defined(_MSC_VER) && (_MSC_VER >= 1020) -# pragma once -#endif - -// -// yield_k.hpp -// -// Copyright (c) 2008 Peter Dimov -// -// void yield( unsigned k ); -// -// Typical use: -// -// for( unsigned k = 0; !try_lock(); ++k ) yield( k ); -// -// 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/config.hpp> - -// BOOST_SMT_PAUSE - -#if defined(_MSC_VER) && _MSC_VER >= 1310 && ( defined(_M_IX86) || defined(_M_X64) ) - -extern "C" void _mm_pause(); -#pragma intrinsic( _mm_pause ) - -#define BOOST_SMT_PAUSE _mm_pause(); - -#elif defined(__GNUC__) && ( defined(__i386__) || defined(__x86_64__) ) - -#define BOOST_SMT_PAUSE __asm__ __volatile__( "rep; nop" : : : "memory" ); - -#endif - -// - -#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ ) - -#if defined( BOOST_USE_WINDOWS_H ) -# include <windows.h> -#endif - -namespace boost -{ - -namespace detail -{ - -#if !defined( BOOST_USE_WINDOWS_H ) - extern "C" void __stdcall Sleep( unsigned ms ); -#endif - -inline void yield( unsigned k ) -{ - if( k < 4 ) - { - } -#if defined( BOOST_SMT_PAUSE ) - else if( k < 16 ) - { - BOOST_SMT_PAUSE - } -#endif - else if( k < 32 ) - { - Sleep( 0 ); - } - else - { - Sleep( 1 ); - } -} - -} // namespace detail - -} // namespace boost - -#elif defined( BOOST_HAS_PTHREADS ) - -#include <sched.h> -#include <time.h> - -namespace boost -{ - -namespace detail -{ - -inline void yield( unsigned k ) -{ - if( k < 4 ) - { - } -#if defined( BOOST_SMT_PAUSE ) - else if( k < 16 ) - { - BOOST_SMT_PAUSE - } -#endif - else if( k < 32 || k & 1 ) - { - sched_yield(); - } - else - { - // g++ -Wextra warns on {} or {0} - struct timespec rqtp = { 0, 0 }; - - // POSIX says that timespec has tv_sec and tv_nsec - // But it doesn't guarantee order or placement - - rqtp.tv_sec = 0; - rqtp.tv_nsec = 1000; - - nanosleep( &rqtp, 0 ); - } -} - -} // namespace detail - -} // namespace boost - -#else - -namespace boost -{ - -namespace detail -{ - -inline void yield( unsigned ) -{ -} - -} // namespace detail - -} // namespace boost - -#endif - -#endif // #ifndef BOOST_SMART_PTR_DETAIL_YIELD_K_HPP_INCLUDED |