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diff --git a/boost/chrono/detail/inlined/win/process_cpu_clocks.hpp b/boost/chrono/detail/inlined/win/process_cpu_clocks.hpp
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+// boost process_timer.cpp -----------------------------------------------------------//
+
+// Copyright Beman Dawes 1994, 2006, 2008
+// Copyright 2009-2010 Vicente J. Botet Escriba
+
+// Distributed under the Boost Software License, Version 1.0.
+// See http://www.boost.org/LICENSE_1_0.txt
+
+// See http://www.boost.org/libs/chrono for documentation.
+
+//--------------------------------------------------------------------------------------//
+#ifndef BOOST_CHRONO_DETAIL_INLINED_WIN_PROCESS_CLOCK_HPP
+#define BOOST_CHRONO_DETAIL_INLINED_WIN_PROCESS_CLOCK_HPP
+
+#include <boost/chrono/config.hpp>
+//#include <boost/chrono/system_clocks.hpp>
+#include <boost/chrono/process_cpu_clocks.hpp>
+#include <cassert>
+#include <time.h>
+
+#include <boost/detail/win/GetLastError.hpp>
+#include <boost/detail/win/GetCurrentProcess.hpp>
+#include <boost/detail/win/GetProcessTimes.hpp>
+
+namespace boost
+{
+namespace chrono
+{
+
+process_real_cpu_clock::time_point process_real_cpu_clock::now() BOOST_NOEXCEPT
+{
+ clock_t c = ::clock();
+ if ( c == clock_t(-1) ) // error
+ {
+ BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
+ }
+ return time_point(
+ duration(c*(1000000000l/CLOCKS_PER_SEC))
+ );
+}
+
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+process_real_cpu_clock::time_point process_real_cpu_clock::now(
+ system::error_code & ec)
+{
+ clock_t c = ::clock();
+ if ( c == clock_t(-1) ) // error
+ {
+ boost::throw_exception(
+ system::system_error(
+ errno,
+ BOOST_CHRONO_SYSTEM_CATEGORY,
+ "chrono::process_real_cpu_clock" ));
+ }
+ if (!BOOST_CHRONO_IS_THROWS(ec))
+ {
+ ec.clear();
+ }
+ return time_point(
+ duration(c*(1000000000l/CLOCKS_PER_SEC))
+ );
+}
+#endif
+
+process_user_cpu_clock::time_point process_user_cpu_clock::now() BOOST_NOEXCEPT
+{
+
+ // note that Windows uses 100 nanosecond ticks for FILETIME
+ boost::detail::win32::FILETIME_ creation, exit, user_time, system_time;
+
+ if ( boost::detail::win32::GetProcessTimes(
+ boost::detail::win32::GetCurrentProcess(), &creation, &exit,
+ &system_time, &user_time ) )
+ {
+ return time_point(duration(
+ ((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
+ | user_time.dwLowDateTime) * 100
+ ));
+ }
+ else
+ {
+ BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
+ return time_point();
+ }
+
+}
+
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+process_user_cpu_clock::time_point process_user_cpu_clock::now(
+ system::error_code & ec)
+{
+
+ // note that Windows uses 100 nanosecond ticks for FILETIME
+ boost::detail::win32::FILETIME_ creation, exit, user_time, system_time;
+
+ if ( boost::detail::win32::GetProcessTimes(
+ boost::detail::win32::GetCurrentProcess(), &creation, &exit,
+ &system_time, &user_time ) )
+ {
+ if (!BOOST_CHRONO_IS_THROWS(ec))
+ {
+ ec.clear();
+ }
+ return time_point(duration(
+ ((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
+ | user_time.dwLowDateTime) * 100
+ ));
+ }
+ else
+ {
+ boost::detail::win32::DWORD_ cause = boost::detail::win32::GetLastError();
+ if (BOOST_CHRONO_IS_THROWS(ec))
+ {
+ boost::throw_exception(
+ system::system_error(
+ cause,
+ BOOST_CHRONO_SYSTEM_CATEGORY,
+ "chrono::process_user_cpu_clock" ));
+ }
+ else
+ {
+ ec.assign( cause, BOOST_CHRONO_SYSTEM_CATEGORY );
+ return time_point();
+ }
+ }
+
+}
+#endif
+
+process_system_cpu_clock::time_point process_system_cpu_clock::now() BOOST_NOEXCEPT
+{
+
+ // note that Windows uses 100 nanosecond ticks for FILETIME
+ boost::detail::win32::FILETIME_ creation, exit, user_time, system_time;
+
+ if ( boost::detail::win32::GetProcessTimes(
+ boost::detail::win32::GetCurrentProcess(), &creation, &exit,
+ &system_time, &user_time ) )
+ {
+ return time_point(duration(
+ ((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
+ | system_time.dwLowDateTime) * 100
+ ));
+ }
+ else
+ {
+ BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
+ return time_point();
+ }
+
+}
+
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+process_system_cpu_clock::time_point process_system_cpu_clock::now(
+ system::error_code & ec)
+{
+
+ // note that Windows uses 100 nanosecond ticks for FILETIME
+ boost::detail::win32::FILETIME_ creation, exit, user_time, system_time;
+
+ if ( boost::detail::win32::GetProcessTimes(
+ boost::detail::win32::GetCurrentProcess(), &creation, &exit,
+ &system_time, &user_time ) )
+ {
+ if (!BOOST_CHRONO_IS_THROWS(ec))
+ {
+ ec.clear();
+ }
+ return time_point(duration(
+ ((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
+ | system_time.dwLowDateTime) * 100
+ ));
+ }
+ else
+ {
+ boost::detail::win32::DWORD_ cause = boost::detail::win32::GetLastError();
+ if (BOOST_CHRONO_IS_THROWS(ec))
+ {
+ boost::throw_exception(
+ system::system_error(
+ cause,
+ BOOST_CHRONO_SYSTEM_CATEGORY,
+ "chrono::process_system_cpu_clock" ));
+ }
+ else
+ {
+ ec.assign( cause, BOOST_CHRONO_SYSTEM_CATEGORY );
+ return time_point();
+ }
+ }
+
+}
+#endif
+
+process_cpu_clock::time_point process_cpu_clock::now() BOOST_NOEXCEPT
+{
+
+ // note that Windows uses 100 nanosecond ticks for FILETIME
+ boost::detail::win32::FILETIME_ creation, exit, user_time, system_time;
+
+ if ( boost::detail::win32::GetProcessTimes(
+ boost::detail::win32::GetCurrentProcess(), &creation, &exit,
+ &system_time, &user_time ) )
+ {
+ time_point::rep r(process_real_cpu_clock::now().time_since_epoch().count()
+ ,
+ ((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
+ | user_time.dwLowDateTime
+ ) * 100,
+ ((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
+ | system_time.dwLowDateTime
+ ) * 100
+ );
+ return time_point(duration(r));
+ }
+ else
+ {
+ BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
+ return time_point();
+ }
+
+}
+
+#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
+process_cpu_clock::time_point process_cpu_clock::now(
+ system::error_code & ec )
+{
+
+ // note that Windows uses 100 nanosecond ticks for FILETIME
+ boost::detail::win32::FILETIME_ creation, exit, user_time, system_time;
+
+ if ( boost::detail::win32::GetProcessTimes(
+ boost::detail::win32::GetCurrentProcess(), &creation, &exit,
+ &system_time, &user_time ) )
+ {
+ if (!BOOST_CHRONO_IS_THROWS(ec))
+ {
+ ec.clear();
+ }
+ time_point::rep r(process_real_cpu_clock::now().time_since_epoch().count()
+ ,
+ ((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
+ | user_time.dwLowDateTime
+ ) * 100,
+ ((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
+ | system_time.dwLowDateTime
+ ) * 100
+ );
+ return time_point(duration(r));
+ }
+ else
+ {
+ boost::detail::win32::DWORD_ cause = boost::detail::win32::GetLastError();
+ if (BOOST_CHRONO_IS_THROWS(ec))
+ {
+ boost::throw_exception(
+ system::system_error(
+ cause,
+ BOOST_CHRONO_SYSTEM_CATEGORY,
+ "chrono::process_cpu_clock" ));
+ }
+ else
+ {
+ ec.assign( cause, BOOST_CHRONO_SYSTEM_CATEGORY );
+ return time_point();
+ }
+ }
+
+}
+#endif
+} // namespace chrono
+} // namespace boost
+
+#endif