[ceph.git] / ceph / src / boost / libs / chrono / include / boost / chrono / detail / inlined / win / process_cpu_clocks.hpp

//  boost process_timer.cpp  -----------------------------------------------------------//

//  Copyright Beman Dawes 1994, 2006, 2008
//  Copyright 2009-2010 Vicente J. Botet Escriba
//  Copyright (c) Microsoft Corporation 2014

//  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/process_cpu_clocks.hpp>
#include <cassert>
#include <time.h>
#include <boost/assert.hpp>

#include <boost/detail/winapi/get_last_error.hpp>
#include <boost/detail/winapi/get_current_process.hpp>
#if BOOST_PLAT_WINDOWS_DESKTOP
#include <boost/detail/winapi/get_process_times.hpp>
#endif

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");
    }
    typedef ratio_divide<giga, ratio<CLOCKS_PER_SEC> >::type R;
    return time_point(
      duration(static_cast<rep>(c)*R::num/R::den)
    );
}

#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();
    }
    typedef ratio_divide<giga, ratio<CLOCKS_PER_SEC> >::type R;
    return time_point(
      duration(static_cast<rep>(c)*R::num/R::den)
    );
}
#endif

#if BOOST_PLAT_WINDOWS_DESKTOP
process_user_cpu_clock::time_point process_user_cpu_clock::now() BOOST_NOEXCEPT
{

    //  note that Windows uses 100 nanosecond ticks for FILETIME
    boost::detail::winapi::FILETIME_ creation, exit, user_time, system_time;

    if ( boost::detail::winapi::GetProcessTimes(
            boost::detail::winapi::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::winapi::FILETIME_ creation, exit, user_time, system_time;

    if ( boost::detail::winapi::GetProcessTimes(
            boost::detail::winapi::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::winapi::DWORD_ cause = boost::detail::winapi::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::winapi::FILETIME_ creation, exit, user_time, system_time;

    if ( boost::detail::winapi::GetProcessTimes(
            boost::detail::winapi::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::winapi::FILETIME_ creation, exit, user_time, system_time;

    if ( boost::detail::winapi::GetProcessTimes(
            boost::detail::winapi::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::winapi::DWORD_ cause = boost::detail::winapi::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::winapi::FILETIME_ creation, exit, user_time, system_time;

    if ( boost::detail::winapi::GetProcessTimes(
            boost::detail::winapi::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::winapi::FILETIME_ creation, exit, user_time, system_time;

    if ( boost::detail::winapi::GetProcessTimes(
            boost::detail::winapi::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::winapi::DWORD_ cause = boost::detail::winapi::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
#endif
} // namespace chrono
} // namespace boost

#endif
Commit	Line	Data
7c673cae FG	1	// boost process_timer.cpp -----------------------------------------------------------//
	2
	3	// Copyright Beman Dawes 1994, 2006, 2008
	4	// Copyright 2009-2010 Vicente J. Botet Escriba
	5	// Copyright (c) Microsoft Corporation 2014
	6
	7	// Distributed under the Boost Software License, Version 1.0.
	8	// See http://www.boost.org/LICENSE_1_0.txt
	9
	10	// See http://www.boost.org/libs/chrono for documentation.
	11
	12	//--------------------------------------------------------------------------------------//
	13	#ifndef BOOST_CHRONO_DETAIL_INLINED_WIN_PROCESS_CLOCK_HPP
	14	#define BOOST_CHRONO_DETAIL_INLINED_WIN_PROCESS_CLOCK_HPP
	15
	16	#include <boost/chrono/config.hpp>
	17	#include <boost/chrono/process_cpu_clocks.hpp>
	18	#include <cassert>
	19	#include <time.h>
	20	#include <boost/assert.hpp>
	21
	22	#include <boost/detail/winapi/get_last_error.hpp>
	23	#include <boost/detail/winapi/get_current_process.hpp>
	24	#if BOOST_PLAT_WINDOWS_DESKTOP
	25	#include <boost/detail/winapi/get_process_times.hpp>
	26	#endif
	27
	28	namespace boost
	29	{
	30	namespace chrono
	31	{
	32
	33	process_real_cpu_clock::time_point process_real_cpu_clock::now() BOOST_NOEXCEPT
	34	{
	35	clock_t c = ::clock();
	36	if ( c == clock_t(-1) ) // error
	37	{
	38	BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
	39	}
	40	typedef ratio_divide<giga, ratio<CLOCKS_PER_SEC> >::type R;
	41	return time_point(
	42	duration(static_cast<rep>(c)*R::num/R::den)
	43	);
	44	}
	45
	46	#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
	47	process_real_cpu_clock::time_point process_real_cpu_clock::now(
	48	system::error_code & ec)
	49	{
	50	clock_t c = ::clock();
	51	if ( c == clock_t(-1) ) // error
	52	{
	53	boost::throw_exception(
	54	system::system_error(
	55	errno,
	56	BOOST_CHRONO_SYSTEM_CATEGORY,
	57	"chrono::process_real_cpu_clock" ));
	58	}
	59	if (!BOOST_CHRONO_IS_THROWS(ec))
	60	{
	61	ec.clear();
	62	}
	63	typedef ratio_divide<giga, ratio<CLOCKS_PER_SEC> >::type R;
	64	return time_point(
65	duration(static_cast<rep>(c)*R::num/R::den)
66	);
67	}
68	#endif
69
70	#if BOOST_PLAT_WINDOWS_DESKTOP
71	process_user_cpu_clock::time_point process_user_cpu_clock::now() BOOST_NOEXCEPT
72	{
73
74	// note that Windows uses 100 nanosecond ticks for FILETIME
75	boost::detail::winapi::FILETIME_ creation, exit, user_time, system_time;
76
77	if ( boost::detail::winapi::GetProcessTimes(
78	boost::detail::winapi::GetCurrentProcess(), &creation, &exit,
79	&system_time, &user_time ) )
80	{
81	return time_point(duration(
82	((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
83	\| user_time.dwLowDateTime) * 100
84	));
85	}
86	else
87	{
88	BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
89	return time_point();
90	}
91
92	}
93
94	#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
95	process_user_cpu_clock::time_point process_user_cpu_clock::now(
96	system::error_code & ec)
97	{
98
99	// note that Windows uses 100 nanosecond ticks for FILETIME
100	boost::detail::winapi::FILETIME_ creation, exit, user_time, system_time;
101
102	if ( boost::detail::winapi::GetProcessTimes(
103	boost::detail::winapi::GetCurrentProcess(), &creation, &exit,
104	&system_time, &user_time ) )
105	{
106	if (!BOOST_CHRONO_IS_THROWS(ec))
107	{
108	ec.clear();
109	}
110	return time_point(duration(
111	((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
112	\| user_time.dwLowDateTime) * 100
113	));
114	}
115	else
116	{
117	boost::detail::winapi::DWORD_ cause = boost::detail::winapi::GetLastError();
118	if (BOOST_CHRONO_IS_THROWS(ec))
119	{
120	boost::throw_exception(
121	system::system_error(
122	cause,
123	BOOST_CHRONO_SYSTEM_CATEGORY,
124	"chrono::process_user_cpu_clock" ));
125	}
126	else
127	{
128	ec.assign( cause, BOOST_CHRONO_SYSTEM_CATEGORY );
129	return time_point();
130	}
131	}
132
133	}
134	#endif
135
136	process_system_cpu_clock::time_point process_system_cpu_clock::now() BOOST_NOEXCEPT
137	{
138
139	// note that Windows uses 100 nanosecond ticks for FILETIME
140	boost::detail::winapi::FILETIME_ creation, exit, user_time, system_time;
141
142	if ( boost::detail::winapi::GetProcessTimes(
143	boost::detail::winapi::GetCurrentProcess(), &creation, &exit,
144	&system_time, &user_time ) )
145	{
146	return time_point(duration(
147	((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
148	\| system_time.dwLowDateTime) * 100
149	));
150	}
151	else
152	{
153	BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
154	return time_point();
155	}
156
157	}
158
159	#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
160	process_system_cpu_clock::time_point process_system_cpu_clock::now(
161	system::error_code & ec)
162	{
163
164	// note that Windows uses 100 nanosecond ticks for FILETIME
165	boost::detail::winapi::FILETIME_ creation, exit, user_time, system_time;
166
167	if ( boost::detail::winapi::GetProcessTimes(
168	boost::detail::winapi::GetCurrentProcess(), &creation, &exit,
169	&system_time, &user_time ) )
170	{
171	if (!BOOST_CHRONO_IS_THROWS(ec))
172	{
173	ec.clear();
174	}
175	return time_point(duration(
176	((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
177	\| system_time.dwLowDateTime) * 100
178	));
179	}
180	else
181	{
182	boost::detail::winapi::DWORD_ cause = boost::detail::winapi::GetLastError();
183	if (BOOST_CHRONO_IS_THROWS(ec))
184	{
185	boost::throw_exception(
186	system::system_error(
187	cause,
188	BOOST_CHRONO_SYSTEM_CATEGORY,
189	"chrono::process_system_cpu_clock" ));
190	}
191	else
192	{
193	ec.assign( cause, BOOST_CHRONO_SYSTEM_CATEGORY );
194	return time_point();
195	}
196	}
197
198	}
199	#endif
200
201	process_cpu_clock::time_point process_cpu_clock::now() BOOST_NOEXCEPT
202	{
203
204	// note that Windows uses 100 nanosecond ticks for FILETIME
205	boost::detail::winapi::FILETIME_ creation, exit, user_time, system_time;
206
207	if ( boost::detail::winapi::GetProcessTimes(
208	boost::detail::winapi::GetCurrentProcess(), &creation, &exit,
209	&system_time, &user_time ) )
210	{
211	time_point::rep r(process_real_cpu_clock::now().time_since_epoch().count()
212	,
213	((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
214	\| user_time.dwLowDateTime
215	) * 100,
216	((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
217	\| system_time.dwLowDateTime
218	) * 100
219	);
220	return time_point(duration(r));
221	}
222	else
223	{
224	BOOST_ASSERT(0 && "Boost::Chrono - Internal Error");
225	return time_point();
226	}
227
228	}
229
230	#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING
231	process_cpu_clock::time_point process_cpu_clock::now(
232	system::error_code & ec )
233	{
234
235	// note that Windows uses 100 nanosecond ticks for FILETIME
236	boost::detail::winapi::FILETIME_ creation, exit, user_time, system_time;
237
238	if ( boost::detail::winapi::GetProcessTimes(
239	boost::detail::winapi::GetCurrentProcess(), &creation, &exit,
240	&system_time, &user_time ) )
241	{
242	if (!BOOST_CHRONO_IS_THROWS(ec))
243	{
244	ec.clear();
245	}
246	time_point::rep r(process_real_cpu_clock::now().time_since_epoch().count()
247	,
248	((static_cast<process_user_cpu_clock::rep>(user_time.dwHighDateTime) << 32)
249	\| user_time.dwLowDateTime
250	) * 100,
251	((static_cast<process_system_cpu_clock::rep>(system_time.dwHighDateTime) << 32)
252	\| system_time.dwLowDateTime
253	) * 100
254	);
255	return time_point(duration(r));
256	}
257	else
258	{
259	boost::detail::winapi::DWORD_ cause = boost::detail::winapi::GetLastError();
260	if (BOOST_CHRONO_IS_THROWS(ec))
261	{
262	boost::throw_exception(
263	system::system_error(
264	cause,
265	BOOST_CHRONO_SYSTEM_CATEGORY,
266	"chrono::process_cpu_clock" ));
267	}
268	else
269	{
270	ec.assign( cause, BOOST_CHRONO_SYSTEM_CATEGORY );
271	return time_point();
272	}
273	}
274
275	}
276	#endif
277	#endif
278	} // namespace chrono
279	} // namespace boost
280
281	#endif