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-rw-r--r--contrib/src/boost/smart_ptr/detail/yield_k.hpp354
1 files changed, 177 insertions, 177 deletions
diff --git a/contrib/src/boost/smart_ptr/detail/yield_k.hpp b/contrib/src/boost/smart_ptr/detail/yield_k.hpp
index 8f146b9..44d1836 100644
--- a/contrib/src/boost/smart_ptr/detail/yield_k.hpp
+++ b/contrib/src/boost/smart_ptr/detail/yield_k.hpp
@@ -1,177 +1,177 @@
-#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
-// Copyright (c) Microsoft Corporation 2014
-//
-// 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>
-#include <boost/predef.h>
-
-#if BOOST_PLAT_WINDOWS_RUNTIME
-#include <thread>
-#endif
-
-// BOOST_SMT_PAUSE
-
-#if defined(_MSC_VER) && _MSC_VER >= 1310 && ( defined(_M_IX86) || defined(_M_X64) )
-
-extern "C" void _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 ) && !BOOST_PLAT_WINDOWS_RUNTIME
-#if !BOOST_COMP_CLANG || !defined __MINGW32__
- extern "C" void __stdcall Sleep( unsigned long ms );
-#else
-#include <_mingw.h>
-#if !defined __MINGW64_VERSION_MAJOR
- extern "C" void __stdcall Sleep( unsigned long ms );
-#else
- extern "C" __declspec(dllimport) void __stdcall Sleep( unsigned long ms );
-#endif
-#endif
-#endif
-
-inline void yield( unsigned k )
-{
- if( k < 4 )
- {
- }
-#if defined( BOOST_SMT_PAUSE )
- else if( k < 16 )
- {
- BOOST_SMT_PAUSE
- }
-#endif
-#if !BOOST_PLAT_WINDOWS_RUNTIME
- else if( k < 32 )
- {
- Sleep( 0 );
- }
- else
- {
- Sleep( 1 );
- }
-#else
- else
- {
- // Sleep isn't supported on the Windows Runtime.
- std::this_thread::yield();
- }
-#endif
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#elif defined( BOOST_HAS_PTHREADS )
-
-#ifndef _AIX
-#include <sched.h>
-#else
- // AIX's sched.h defines ::var which sometimes conflicts with Lambda's var
- extern "C" int sched_yield(void);
-#endif
-
-#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
+#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
+// Copyright (c) Microsoft Corporation 2014
+//
+// 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>
+#include <boost/predef.h>
+
+#if BOOST_PLAT_WINDOWS_RUNTIME
+#include <thread>
+#endif
+
+// BOOST_SMT_PAUSE
+
+#if defined(_MSC_VER) && _MSC_VER >= 1310 && ( defined(_M_IX86) || defined(_M_X64) )
+
+extern "C" void _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 ) && !BOOST_PLAT_WINDOWS_RUNTIME
+#if !BOOST_COMP_CLANG || !defined __MINGW32__
+ extern "C" void __stdcall Sleep( unsigned long ms );
+#else
+#include <_mingw.h>
+#if !defined __MINGW64_VERSION_MAJOR
+ extern "C" void __stdcall Sleep( unsigned long ms );
+#else
+ extern "C" __declspec(dllimport) void __stdcall Sleep( unsigned long ms );
+#endif
+#endif
+#endif
+
+inline void yield( unsigned k )
+{
+ if( k < 4 )
+ {
+ }
+#if defined( BOOST_SMT_PAUSE )
+ else if( k < 16 )
+ {
+ BOOST_SMT_PAUSE
+ }
+#endif
+#if !BOOST_PLAT_WINDOWS_RUNTIME
+ else if( k < 32 )
+ {
+ Sleep( 0 );
+ }
+ else
+ {
+ Sleep( 1 );
+ }
+#else
+ else
+ {
+ // Sleep isn't supported on the Windows Runtime.
+ std::this_thread::yield();
+ }
+#endif
+}
+
+} // namespace detail
+
+} // namespace boost
+
+#elif defined( BOOST_HAS_PTHREADS )
+
+#ifndef _AIX
+#include <sched.h>
+#else
+ // AIX's sched.h defines ::var which sometimes conflicts with Lambda's var
+ extern "C" int sched_yield(void);
+#endif
+
+#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
generated by cgit v0.12 at 2024-06-26 02:02:11 (GMT)