diff options
Diffstat (limited to 'boost/chrono/detail')
17 files changed, 2108 insertions, 0 deletions
diff --git a/boost/chrono/detail/inlined/chrono.hpp b/boost/chrono/detail/inlined/chrono.hpp new file mode 100644 index 0000000000..027884365e --- /dev/null +++ b/boost/chrono/detail/inlined/chrono.hpp @@ -0,0 +1,44 @@ +// chrono.cpp --------------------------------------------------------------// + +// Copyright Beman Dawes 2008 +// Copyright Vicente J. Botet Escriba 2009 + +// Distributed under the Boost Software License, Version 1.0. +// See http://www.boost.org/LICENSE_1_0.txt + +#ifndef BOOST_CHRONO_DETAIL_INLINED_CHRONO_HPP +#define BOOST_CHRONO_DETAIL_INLINED_CHRONO_HPP + +#include <boost/version.hpp> +#include <boost/chrono/chrono.hpp> +#include <boost/system/system_error.hpp> +#include <boost/throw_exception.hpp> +#include <boost/chrono/detail/system.hpp> + +//----------------------------------------------------------------------------// +// // +// Platform-specific Implementations // +// // +//----------------------------------------------------------------------------// + +//----------------------------------------------------------------------------// +// Windows // +//----------------------------------------------------------------------------// +#if defined(BOOST_CHRONO_WINDOWS_API) +#include <boost/chrono/detail/inlined/win/chrono.hpp> + +//----------------------------------------------------------------------------// +// Mac // +//----------------------------------------------------------------------------// +#elif defined(BOOST_CHRONO_MAC_API) +#include <boost/chrono/detail/inlined/mac/chrono.hpp> + +//----------------------------------------------------------------------------// +// POSIX // +//----------------------------------------------------------------------------// +#elif defined(BOOST_CHRONO_POSIX_API) +#include <boost/chrono/detail/inlined/posix/chrono.hpp> + +#endif // POSIX + +#endif diff --git a/boost/chrono/detail/inlined/mac/chrono.hpp b/boost/chrono/detail/inlined/mac/chrono.hpp new file mode 100644 index 0000000000..bf20ae924b --- /dev/null +++ b/boost/chrono/detail/inlined/mac/chrono.hpp @@ -0,0 +1,241 @@ +// mac/chrono.cpp --------------------------------------------------------------// + +// Copyright Beman Dawes 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 + + +//----------------------------------------------------------------------------// +// Mac // +//----------------------------------------------------------------------------// + +#include <sys/time.h> //for gettimeofday and timeval +#include <mach/mach_time.h> // mach_absolute_time, mach_timebase_info_data_t + +namespace boost +{ +namespace chrono +{ + +// system_clock + +// gettimeofday is the most precise "system time" available on this platform. +// It returns the number of microseconds since New Years 1970 in a struct called timeval +// which has a field for seconds and a field for microseconds. +// Fill in the timeval and then convert that to the time_point +system_clock::time_point +system_clock::now() BOOST_NOEXCEPT +{ + timeval tv; + gettimeofday(&tv, 0); + return time_point(seconds(tv.tv_sec) + microseconds(tv.tv_usec)); +} + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +system_clock::time_point +system_clock::now(system::error_code & ec) +{ + timeval tv; + gettimeofday(&tv, 0); + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(seconds(tv.tv_sec) + microseconds(tv.tv_usec)); +} +#endif +// Take advantage of the fact that on this platform time_t is nothing but +// an integral count of seconds since New Years 1970 (same epoch as timeval). +// Just get the duration out of the time_point and truncate it to seconds. +time_t +system_clock::to_time_t(const time_point& t) BOOST_NOEXCEPT +{ + return time_t(duration_cast<seconds>(t.time_since_epoch()).count()); +} + +// Just turn the time_t into a count of seconds and construct a time_point with it. +system_clock::time_point +system_clock::from_time_t(time_t t) BOOST_NOEXCEPT +{ + return system_clock::time_point(seconds(t)); +} + +namespace chrono_detail +{ + +// steady_clock + +// Note, in this implementation steady_clock and high_resolution_clock +// are the same clock. They are both based on mach_absolute_time(). +// mach_absolute_time() * MachInfo.numer / MachInfo.denom is the number of +// nanoseconds since the computer booted up. MachInfo.numer and MachInfo.denom +// are run time constants supplied by the OS. This clock has no relationship +// to the Gregorian calendar. It's main use is as a high resolution timer. + +// MachInfo.numer / MachInfo.denom is often 1 on the latest equipment. Specialize +// for that case as an optimization. +BOOST_CHRONO_STATIC +steady_clock::rep +steady_simplified() +{ + return mach_absolute_time(); +} + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +BOOST_CHRONO_STATIC +steady_clock::rep +steady_simplified_ec(system::error_code & ec) +{ + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return mach_absolute_time(); +} +#endif + +BOOST_CHRONO_STATIC +double +compute_steady_factor(kern_return_t& err) +{ + mach_timebase_info_data_t MachInfo; + err = mach_timebase_info(&MachInfo); + if ( err != 0 ) { + return 0; + } + return static_cast<double>(MachInfo.numer) / MachInfo.denom; +} + +BOOST_CHRONO_STATIC +steady_clock::rep +steady_full() +{ + static kern_return_t err; + static const double factor = chrono_detail::compute_steady_factor(err); + if (err != 0) + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + return static_cast<steady_clock::rep>(mach_absolute_time() * factor); +} + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +BOOST_CHRONO_STATIC +steady_clock::rep +steady_full_ec(system::error_code & ec) +{ + static kern_return_t err; + static const double factor = chrono_detail::compute_steady_factor(err); + if (err != 0) + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + err, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::steady_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return steady_clock::rep(); + } + } + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return static_cast<steady_clock::rep>(mach_absolute_time() * factor); +} +#endif + +typedef steady_clock::rep (*FP)(); +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +typedef steady_clock::rep (*FP_ec)(system::error_code &); +#endif + +BOOST_CHRONO_STATIC +FP +init_steady_clock(kern_return_t & err) +{ + mach_timebase_info_data_t MachInfo; + err = mach_timebase_info(&MachInfo); + if ( err != 0 ) + { + return 0; + } + + if (MachInfo.numer == MachInfo.denom) + { + return &chrono_detail::steady_simplified; + } + return &chrono_detail::steady_full; +} + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +BOOST_CHRONO_STATIC +FP_ec +init_steady_clock_ec(kern_return_t & err) +{ + mach_timebase_info_data_t MachInfo; + err = mach_timebase_info(&MachInfo); + if ( err != 0 ) + { + return 0; + } + + if (MachInfo.numer == MachInfo.denom) + { + return &chrono_detail::steady_simplified_ec; + } + return &chrono_detail::steady_full_ec; +} +#endif +} + +steady_clock::time_point +steady_clock::now() BOOST_NOEXCEPT +{ + static kern_return_t err; + static chrono_detail::FP fp = chrono_detail::init_steady_clock(err); + if ( err != 0 ) + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + return time_point(duration(fp())); +} + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +steady_clock::time_point +steady_clock::now(system::error_code & ec) +{ + static kern_return_t err; + static chrono_detail::FP_ec fp = chrono_detail::init_steady_clock_ec(err); + if ( err != 0 ) + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + err, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::steady_clock" )); + } + else + { + ec.assign( err, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(duration(fp(ec))); +} +#endif +} // namespace chrono +} // namespace boost diff --git a/boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp b/boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp new file mode 100644 index 0000000000..48753bdfc7 --- /dev/null +++ b/boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp @@ -0,0 +1,331 @@ +// boost process_cpu_clocks.cpp -----------------------------------------------------------// + +// Copyright Beman Dawes 1994, 2006, 2008 +// Copyright Vicente J. Botet Escriba 2009 + +// 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. + +//--------------------------------------------------------------------------------------// + +#include <boost/chrono/config.hpp> +#include <boost/chrono/process_cpu_clocks.hpp> +#include <boost/assert.hpp> + +#include <sys/time.h> //for gettimeofday and timeval +#include <sys/times.h> //for times +# include <unistd.h> + +namespace boost +{ + namespace chrono + { + namespace chrono_detail + { + + inline long tick_factor() // multiplier to convert ticks + // to nanoseconds; -1 if unknown + { + static long factor = 0; + if (!factor) + { + if ((factor = ::sysconf(_SC_CLK_TCK)) <= 0) + factor = -1; + else + { + BOOST_ASSERT(factor <= 1000000000l); // doesn't handle large ticks + factor = 1000000000l / factor; // compute factor + if (!factor) + factor = -1; + } + } + return factor; + } + } + + + process_real_cpu_clock::time_point process_real_cpu_clock::now() BOOST_NOEXCEPT + { +#if 0 + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + return time_point(nanoseconds(c * factor)); + } else + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + } + return time_point(); +#else + 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)) + ); +#endif + } + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING + process_real_cpu_clock::time_point process_real_cpu_clock::now(system::error_code & ec) + { + +#if 0 + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_real_cpu_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(nanoseconds(c * factor)); + } else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_real_cpu_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } + } +#else + clock_t c = ::clock(); + if (c == clock_t(-1)) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_real_cpu_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } + return time_point( + duration(c*(1000000000l/CLOCKS_PER_SEC)) + ); + +#endif + + } +#endif + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING + process_user_cpu_clock::time_point process_user_cpu_clock::now(system::error_code & ec) + { + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_user_cpu_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(nanoseconds((tm.tms_utime + tm.tms_cutime) * factor)); + } else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_user_cpu_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } + } + } +#endif + + process_user_cpu_clock::time_point process_user_cpu_clock::now() BOOST_NOEXCEPT + { + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + return time_point(nanoseconds((tm.tms_utime + tm.tms_cutime) + * factor)); + } else + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + } + return time_point(); + } + process_system_cpu_clock::time_point process_system_cpu_clock::now() BOOST_NOEXCEPT + { + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + return time_point(nanoseconds((tm.tms_stime + tm.tms_cstime) + * factor)); + } 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) + { + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_system_cpu_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(nanoseconds((tm.tms_stime + tm.tms_cstime) * factor)); + } else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_system_cpu_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } + } + } +#endif + + process_cpu_clock::time_point process_cpu_clock::now() BOOST_NOEXCEPT + { + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + time_point::rep + r(c * factor, (tm.tms_utime + tm.tms_cutime) * factor, (tm.tms_stime + + tm.tms_cstime) * factor); + 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) + { + + tms tm; + clock_t c = ::times(&tm); + if (c == clock_t(-1)) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } else + { + long factor = chrono_detail::tick_factor(); + if (factor != -1) + { + time_point::rep + r(c * factor, (tm.tms_utime + tm.tms_cutime) * factor, (tm.tms_stime + + tm.tms_cstime) * factor); + return time_point(duration(r)); + } else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception(system::system_error(errno, BOOST_CHRONO_SYSTEM_CATEGORY, "chrono::process_clock")); + } else + { + ec.assign(errno, BOOST_CHRONO_SYSTEM_CATEGORY); + return time_point(); + } + } + } + + } +#endif + + } +} diff --git a/boost/chrono/detail/inlined/mac/thread_clock.hpp b/boost/chrono/detail/inlined/mac/thread_clock.hpp new file mode 100644 index 0000000000..dad806e4e2 --- /dev/null +++ b/boost/chrono/detail/inlined/mac/thread_clock.hpp @@ -0,0 +1,15 @@ +// boost thread_clock.cpp -----------------------------------------------------------// + +// Copyright Vicente J. Botet Escriba 2010 + +// 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. + +//--------------------------------------------------------------------------------------// + +#include <boost/chrono/config.hpp> +#include <boost/chrono/detail/inlined/posix/thread_clock.hpp> +#include <cassert> + diff --git a/boost/chrono/detail/inlined/posix/chrono.hpp b/boost/chrono/detail/inlined/posix/chrono.hpp new file mode 100644 index 0000000000..e35a7ce267 --- /dev/null +++ b/boost/chrono/detail/inlined/posix/chrono.hpp @@ -0,0 +1,120 @@ +// posix/chrono.cpp --------------------------------------------------------------// + +// Copyright Beman Dawes 2008 +// Copyright Vicente J. Botet Escriba 2009 + +// Distributed under the Boost Software License, Version 1.0. +// See http://www.boost.org/LICENSE_1_0.txt + +//----------------------------------------------------------------------------// +// POSIX // +//----------------------------------------------------------------------------// + +#include <time.h> // for clock_gettime + +namespace boost +{ +namespace chrono +{ + + system_clock::time_point system_clock::now() BOOST_NOEXCEPT + { + timespec ts; + if ( ::clock_gettime( CLOCK_REALTIME, &ts ) ) + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + + return time_point(duration( + static_cast<system_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec)); + } + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING + system_clock::time_point system_clock::now(system::error_code & ec) + { + timespec ts; + if ( ::clock_gettime( CLOCK_REALTIME, &ts ) ) + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::system_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(duration( + static_cast<system_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec)); + } +#endif + + std::time_t system_clock::to_time_t(const system_clock::time_point& t) BOOST_NOEXCEPT + { + return static_cast<std::time_t>( t.time_since_epoch().count() / 1000000000 ); + } + + system_clock::time_point system_clock::from_time_t(std::time_t t) BOOST_NOEXCEPT + { + return time_point(duration(static_cast<system_clock::rep>(t) * 1000000000)); + } + +#ifdef BOOST_CHRONO_HAS_CLOCK_STEADY + + steady_clock::time_point steady_clock::now() BOOST_NOEXCEPT + { + timespec ts; + if ( ::clock_gettime( CLOCK_MONOTONIC, &ts ) ) + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + + return time_point(duration( + static_cast<steady_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec)); + } + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING + steady_clock::time_point steady_clock::now(system::error_code & ec) + { + timespec ts; + if ( ::clock_gettime( CLOCK_MONOTONIC, &ts ) ) + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::steady_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(duration( + static_cast<steady_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec)); + } +#endif +#endif + +} // namespace chrono +} // namespace boost + + diff --git a/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp b/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp new file mode 100644 index 0000000000..d76d9356cf --- /dev/null +++ b/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp @@ -0,0 +1,352 @@ +// boost process_cpu_clocks.cpp -----------------------------------------------------------// + +// Copyright Beman Dawes 1994, 2006, 2008 +// Copyright Vicente J. Botet Escriba 2009 + +// 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. + +//--------------------------------------------------------------------------------------// + +#include <boost/chrono/config.hpp> +#include <boost/chrono/process_cpu_clocks.hpp> +#include <boost/assert.hpp> + +#include <sys/times.h> +#include <unistd.h> +#include <time.h> // for clock_gettime + + +namespace boost { namespace chrono { +namespace chrono_detail +{ + inline long tick_factor() // multiplier to convert ticks + // to nanoseconds; -1 if unknown + { + static long factor = 0; + if ( !factor ) + { + if ( (factor = ::sysconf( _SC_CLK_TCK )) <= 0 ) + factor = -1; + else + { + BOOST_ASSERT( factor <= 1000000l ); // doesn't handle large ticks + factor = 1000000l / factor; // compute factor + if ( !factor ) factor = -1; + } + } + return factor; + } +} + +process_real_cpu_clock::time_point process_real_cpu_clock::now() BOOST_NOEXCEPT +{ + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + return time_point( + microseconds(c*chrono_detail::tick_factor())); + } + else + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + } + return time_point(); +} + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +process_real_cpu_clock::time_point process_real_cpu_clock::now( + system::error_code & ec) +{ + + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_real_cpu_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point( + microseconds(c*chrono_detail::tick_factor())); + } + else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_real_cpu_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + } +} +#endif + +process_user_cpu_clock::time_point process_user_cpu_clock::now() BOOST_NOEXCEPT +{ + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + return time_point( + microseconds((tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor())); + } + 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) +{ + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_user_cpu_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point( + microseconds((tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor())); + } + else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_user_cpu_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + } +} +#endif + +process_system_cpu_clock::time_point process_system_cpu_clock::now() BOOST_NOEXCEPT +{ + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + return time_point(); + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + return time_point( + microseconds((tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor())); + } + else + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + } +} + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +process_system_cpu_clock::time_point process_system_cpu_clock::now( + system::error_code & ec) +{ + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_system_cpu_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point( + microseconds((tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor())); + } + else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_system_cpu_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + } +} +#endif + +process_cpu_clock::time_point process_cpu_clock::now() BOOST_NOEXCEPT +{ + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + time_point::rep r( + 1000*c*chrono_detail::tick_factor(), + 1000*(tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor(), + 1000*(tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor()); + 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 ) +{ + tms tm; + clock_t c = ::times( &tm ); + if ( c == clock_t(-1) ) // error + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + else + { + if ( chrono_detail::tick_factor() != -1 ) + { + time_point::rep r( + 1000*c*chrono_detail::tick_factor(), + 1000*(tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor(), + 1000*(tm.tms_stime + tm.tms_cstime)*chrono_detail::tick_factor()); + return time_point(duration(r)); + } + else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::process_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + } + +} +#endif + +} } diff --git a/boost/chrono/detail/inlined/posix/thread_clock.hpp b/boost/chrono/detail/inlined/posix/thread_clock.hpp new file mode 100644 index 0000000000..5ad41f84e3 --- /dev/null +++ b/boost/chrono/detail/inlined/posix/thread_clock.hpp @@ -0,0 +1,88 @@ +// boost thread_clock.cpp -----------------------------------------------------------// + +// Copyright Beman Dawes 1994, 2006, 2008 +// Copyright Vicente J. Botet Escriba 2009-2011 + +// 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. + +//--------------------------------------------------------------------------------------// + +#include <boost/chrono/config.hpp> +#include <boost/chrono/thread_clock.hpp> +#include <cassert> + +# include <sys/times.h> +# include <unistd.h> + +namespace boost { namespace chrono { + + thread_clock::time_point thread_clock::now( ) BOOST_NOEXCEPT + { + struct timespec ts; +#if defined CLOCK_THREAD_CPUTIME_ID + // get the timespec associated to the thread clock + if ( ::clock_gettime( CLOCK_THREAD_CPUTIME_ID, &ts ) ) +#else + // get the current thread + pthread_t pth=pthread_self(); + // get the clock_id associated to the current thread + clockid_t clock_id; + pthread_getcpuclockid(pth, &clock_id); + // get the timespec associated to the thread clock + if ( ::clock_gettime( clock_id, &ts ) ) +#endif + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + + // transform to nanoseconds + return time_point(duration( + static_cast<thread_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec)); + + } + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING + thread_clock::time_point thread_clock::now( system::error_code & ec ) + { + struct timespec ts; +#if defined CLOCK_THREAD_CPUTIME_ID + // get the timespec associated to the thread clock + if ( ::clock_gettime( CLOCK_THREAD_CPUTIME_ID, &ts ) ) +#else + // get the current thread + pthread_t pth=pthread_self(); + // get the clock_id associated to the current thread + clockid_t clock_id; + pthread_getcpuclockid(pth, &clock_id); + // get the timespec associated to the thread clock + if ( ::clock_gettime( clock_id, &ts ) ) +#endif + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + errno, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::thread_clock" )); + } + else + { + ec.assign( errno, BOOST_CHRONO_SYSTEM_CATEGORY ); + return time_point(); + } + } + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + // transform to nanoseconds + return time_point(duration( + static_cast<thread_clock::rep>( ts.tv_sec ) * 1000000000 + ts.tv_nsec)); + + } +#endif +} } diff --git a/boost/chrono/detail/inlined/process_cpu_clocks.hpp b/boost/chrono/detail/inlined/process_cpu_clocks.hpp new file mode 100644 index 0000000000..d37f6754cb --- /dev/null +++ b/boost/chrono/detail/inlined/process_cpu_clocks.hpp @@ -0,0 +1,45 @@ +// boost process_cpu_clocks.cpp -----------------------------------------------------------// + +// 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_PROCESS_CPU_CLOCKS_HPP +#define BOOST_CHRONO_DETAIL_INLINED_PROCESS_CPU_CLOCKS_HPP + + +#include <boost/chrono/config.hpp> +#if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS) + +#include <boost/version.hpp> +#include <boost/chrono/process_cpu_clocks.hpp> +#include <boost/throw_exception.hpp> +#include <boost/system/system_error.hpp> + +//----------------------------------------------------------------------------// +// Windows // +//----------------------------------------------------------------------------// +#if defined(BOOST_CHRONO_WINDOWS_API) +#include <boost/chrono/detail/inlined/win/process_cpu_clocks.hpp> + +//----------------------------------------------------------------------------// +// Mac // +//----------------------------------------------------------------------------// +#elif defined(BOOST_CHRONO_MAC_API) +#include <boost/chrono/detail/inlined/mac/process_cpu_clocks.hpp> + +//----------------------------------------------------------------------------// +// POSIX // +//----------------------------------------------------------------------------// +#elif defined(BOOST_CHRONO_POSIX_API) +#include <boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp> + +#endif // POSIX + +#endif + +#endif diff --git a/boost/chrono/detail/inlined/thread_clock.hpp b/boost/chrono/detail/inlined/thread_clock.hpp new file mode 100644 index 0000000000..16d19ef488 --- /dev/null +++ b/boost/chrono/detail/inlined/thread_clock.hpp @@ -0,0 +1,44 @@ +// boost thread_clock.cpp -----------------------------------------------------------// + +// Copyright 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_THREAD_CLOCK_HPP +#define BOOST_CHRONO_DETAIL_INLINED_THREAD_CLOCK_HPP + +#include <boost/chrono/config.hpp> +#include <boost/version.hpp> +#if defined(BOOST_CHRONO_HAS_THREAD_CLOCK) +#include <boost/chrono/thread_clock.hpp> +#include <boost/throw_exception.hpp> +#include <boost/system/system_error.hpp> +#include <boost/throw_exception.hpp> +#include <boost/chrono/detail/system.hpp> + +//----------------------------------------------------------------------------// +// Windows // +//----------------------------------------------------------------------------// +#if defined(BOOST_CHRONO_WINDOWS_API) +#include <boost/chrono/detail/inlined/win/thread_clock.hpp> + +//----------------------------------------------------------------------------// +// Mac // +//----------------------------------------------------------------------------// +#elif defined(BOOST_CHRONO_MAC_API) +#include <boost/chrono/detail/inlined/mac/thread_clock.hpp> + +//----------------------------------------------------------------------------// +// POSIX // +//----------------------------------------------------------------------------// +#elif defined(BOOST_CHRONO_POSIX_API) +#include <boost/chrono/detail/inlined/posix/thread_clock.hpp> + +#endif // POSIX + +#endif +#endif diff --git a/boost/chrono/detail/inlined/win/chrono.hpp b/boost/chrono/detail/inlined/win/chrono.hpp new file mode 100644 index 0000000000..d953fe4bb4 --- /dev/null +++ b/boost/chrono/detail/inlined/win/chrono.hpp @@ -0,0 +1,159 @@ +// win/chrono.cpp --------------------------------------------------------------// + +// Copyright Beman Dawes 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 + +//----------------------------------------------------------------------------// +// Windows // +//----------------------------------------------------------------------------// +#ifndef BOOST_CHRONO_DETAIL_INLINED_WIN_CHRONO_HPP +#define BOOST_CHRONO_DETAIL_INLINED_WIN_CHRONO_HPP + +#include <boost/detail/win/time.hpp> +#include <boost/detail/win/timers.hpp> +#include <boost/detail/win/GetLastError.hpp> + +namespace boost +{ +namespace chrono +{ +namespace chrono_detail +{ + + BOOST_CHRONO_INLINE double get_nanosecs_per_tic() BOOST_NOEXCEPT + { + boost::detail::win32::LARGE_INTEGER_ freq; + if ( !boost::detail::win32::QueryPerformanceFrequency( &freq ) ) + return 0.0L; + return double(1000000000.0L / freq.QuadPart); + } + +} + + steady_clock::time_point steady_clock::now() BOOST_NOEXCEPT + { + static double nanosecs_per_tic = chrono_detail::get_nanosecs_per_tic(); + + boost::detail::win32::LARGE_INTEGER_ pcount; + if ( (nanosecs_per_tic <= 0.0L) || + (!boost::detail::win32::QueryPerformanceCounter( &pcount )) ) + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + } + + return steady_clock::time_point(steady_clock::duration( + static_cast<steady_clock::rep>((nanosecs_per_tic) * pcount.QuadPart))); + } + + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING + steady_clock::time_point steady_clock::now( system::error_code & ec ) + { + static double nanosecs_per_tic = chrono_detail::get_nanosecs_per_tic(); + + boost::detail::win32::LARGE_INTEGER_ pcount; + if ( (nanosecs_per_tic <= 0.0L) + || (!boost::detail::win32::QueryPerformanceCounter( &pcount )) ) + { + boost::detail::win32::DWORD_ cause = + ((nanosecs_per_tic <= 0.0L) + ? ERROR_NOT_SUPPORTED + : boost::detail::win32::GetLastError()); + if (BOOST_CHRONO_IS_THROWS(ec)) { + boost::throw_exception( + system::system_error( + cause, + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::steady_clock" )); + } + else + { + ec.assign( cause, BOOST_CHRONO_SYSTEM_CATEGORY ); + return steady_clock::time_point(duration(0)); + } + } + + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(duration( + static_cast<steady_clock::rep>(nanosecs_per_tic * pcount.QuadPart))); + } +#endif + + BOOST_CHRONO_INLINE + system_clock::time_point system_clock::now() BOOST_NOEXCEPT + { + boost::detail::win32::FILETIME_ ft; + #if defined(UNDER_CE) + // Windows CE does not define GetSystemTimeAsFileTime so we do it in two steps. + boost::detail::win32::SYSTEMTIME_ st; + boost::detail::win32::GetSystemTime( &st ); + boost::detail::win32::SystemTimeToFileTime( &st, &ft ); + #else + boost::detail::win32::GetSystemTimeAsFileTime( &ft ); // never fails + #endif + return system_clock::time_point(system_clock::duration( + (static_cast<__int64>( ft.dwHighDateTime ) << 32) | ft.dwLowDateTime)); + } + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING + BOOST_CHRONO_INLINE + system_clock::time_point system_clock::now( system::error_code & ec ) + { + boost::detail::win32::FILETIME_ ft; + #if defined(UNDER_CE) + // Windows CE does not define GetSystemTimeAsFileTime so we do it in two steps. + boost::detail::win32::SYSTEMTIME_ st; + boost::detail::win32::GetSystemTime( &st ); + boost::detail::win32::SystemTimeToFileTime( &st, &ft ); + #else + boost::detail::win32::GetSystemTimeAsFileTime( &ft ); // never fails + #endif + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(duration( + (static_cast<__int64>( ft.dwHighDateTime ) << 32) | ft.dwLowDateTime)); + } +#endif + + BOOST_CHRONO_INLINE + std::time_t system_clock::to_time_t(const system_clock::time_point& t) BOOST_NOEXCEPT + { + __int64 temp = t.time_since_epoch().count(); + + # if (!defined( BOOST_MSVC )) || (BOOST_MSVC > 1300) // > VC++ 7.0 + temp -= 116444736000000000LL; // delta from epoch in microseconds + # else + temp -= 116444736000000000; + # endif + + temp /= 10000000; + return static_cast<std::time_t>( temp ); + } + + BOOST_CHRONO_INLINE + system_clock::time_point system_clock::from_time_t(std::time_t t) BOOST_NOEXCEPT + { + __int64 temp = t; + temp *= 10000000; + + # if (!defined( BOOST_MSVC )) || (BOOST_MSVC > 1300) // > VC++ 7.0 + temp += 116444736000000000LL; + # else + temp += 116444736000000000; + # endif + + return time_point(duration(temp)); + } + +} // namespace chrono +} // namespace boost + +#endif diff --git a/boost/chrono/detail/inlined/win/process_cpu_clocks.hpp b/boost/chrono/detail/inlined/win/process_cpu_clocks.hpp new file mode 100644 index 0000000000..6453aa600a --- /dev/null +++ b/boost/chrono/detail/inlined/win/process_cpu_clocks.hpp @@ -0,0 +1,274 @@ +// 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 diff --git a/boost/chrono/detail/inlined/win/thread_clock.hpp b/boost/chrono/detail/inlined/win/thread_clock.hpp new file mode 100644 index 0000000000..8ca1506ce5 --- /dev/null +++ b/boost/chrono/detail/inlined/win/thread_clock.hpp @@ -0,0 +1,102 @@ +// boost thread_clock.cpp -----------------------------------------------------------// + +// Copyright 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_THREAD_CLOCK_HPP +#define BOOST_CHRONO_DETAIL_INLINED_WIN_THREAD_CLOCK_HPP + +#include <boost/chrono/config.hpp> +#include <boost/chrono/thread_clock.hpp> +#include <cassert> + +#include <boost/detail/win/GetLastError.hpp> +#include <boost/detail/win/GetCurrentThread.hpp> +#include <boost/detail/win/GetThreadTimes.hpp> + +namespace boost +{ +namespace chrono +{ + +#if !defined BOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING +thread_clock::time_point thread_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::GetThreadTimes( + boost::detail::win32::GetCurrentThread (), &creation, &exit, + &system_time, &user_time ) ) + { + duration user = duration( + ((static_cast<duration::rep>(user_time.dwHighDateTime) << 32) + | user_time.dwLowDateTime) * 100 ); + + duration system = duration( + ((static_cast<duration::rep>(system_time.dwHighDateTime) << 32) + | system_time.dwLowDateTime) * 100 ); + + if (!BOOST_CHRONO_IS_THROWS(ec)) + { + ec.clear(); + } + return time_point(system+user); + + } + else + { + if (BOOST_CHRONO_IS_THROWS(ec)) + { + boost::throw_exception( + system::system_error( + boost::detail::win32::GetLastError(), + BOOST_CHRONO_SYSTEM_CATEGORY, + "chrono::thread_clock" )); + } + else + { + ec.assign( boost::detail::win32::GetLastError(), BOOST_CHRONO_SYSTEM_CATEGORY ); + return thread_clock::time_point(duration(0)); + } + } +} +#endif + +thread_clock::time_point thread_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::GetThreadTimes( + boost::detail::win32::GetCurrentThread (), &creation, &exit, + &system_time, &user_time ) ) + { + duration user = duration( + ((static_cast<duration::rep>(user_time.dwHighDateTime) << 32) + | user_time.dwLowDateTime) * 100 ); + + duration system = duration( + ((static_cast<duration::rep>(system_time.dwHighDateTime) << 32) + | system_time.dwLowDateTime) * 100 ); + + return time_point(system+user); + } + else + { + BOOST_ASSERT(0 && "Boost::Chrono - Internal Error"); + return time_point(); + } + +} + +} // namespace chrono +} // namespace boost + +#endif diff --git a/boost/chrono/detail/is_evenly_divisible_by.hpp b/boost/chrono/detail/is_evenly_divisible_by.hpp new file mode 100644 index 0000000000..960a208a75 --- /dev/null +++ b/boost/chrono/detail/is_evenly_divisible_by.hpp @@ -0,0 +1,31 @@ +// is_evenly_divisible_by.hpp --------------------------------------------------------------// + +// 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 + +#ifndef BOOST_CHRONO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP +#define BOOST_CHRONO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP + +#include <boost/chrono/config.hpp> + +#include <boost/mpl/logical.hpp> +#include <boost/ratio/detail/overflow_helpers.hpp> + +namespace boost { +namespace chrono { +namespace chrono_detail { + +// template <class R1, class R2> +// struct is_evenly_divisible_by : public boost::mpl::bool_ < ratio_divide<R1, R2>::type::den == 1 > +// {}; + template <class R1, class R2> + struct is_evenly_divisible_by : public boost::ratio_detail::is_evenly_divisible_by<R1, R2> + {}; + +} // namespace chrono_detail +} // namespace detail +} // namespace chrono + +#endif // BOOST_CHRONO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP diff --git a/boost/chrono/detail/no_warning/signed_unsigned_cmp.hpp b/boost/chrono/detail/no_warning/signed_unsigned_cmp.hpp new file mode 100644 index 0000000000..78a0ce13e7 --- /dev/null +++ b/boost/chrono/detail/no_warning/signed_unsigned_cmp.hpp @@ -0,0 +1,44 @@ +// is_evenly_divisible_by.hpp --------------------------------------------------------------// + +// 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 + +#ifndef BOOST_CHRONO_DETAIL_NO_WARNING_SIGNED_UNSIGNED_CMP_HPP +#define BOOST_CHRONO_DETAIL_NO_WARNING_SIGNED_UNSIGNED_CMP_HPP + +// +// We simply cannot include this header on gcc without getting copious warnings of the kind: +// +//../../../boost/chrono/detail/no_warning/signed_unsigned_cmp.hpp:37: warning: comparison between signed and unsigned integer expressions +// +// And yet there is no other reasonable implementation, so we declare this a system header +// to suppress these warnings. +// + +#if defined(__GNUC__) && (__GNUC__ >= 4) +#pragma GCC system_header +#endif + +namespace boost { +namespace chrono { +namespace detail { + + template <class T, class U> + bool lt(T t, U u) + { + return t < u; + } + + template <class T, class U> + bool gt(T t, U u) + { + return t > u; + } + +} // namespace detail +} // namespace detail +} // namespace chrono + +#endif // BOOST_CHRONO_DETAIL_IS_EVENLY_DIVISIBLE_BY_HPP diff --git a/boost/chrono/detail/scan_keyword.hpp b/boost/chrono/detail/scan_keyword.hpp new file mode 100644 index 0000000000..13ad0ca8c8 --- /dev/null +++ b/boost/chrono/detail/scan_keyword.hpp @@ -0,0 +1,162 @@ +// scan_keyword.hpp --------------------------------------------------------------// +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// Adaptation to Boost of the libcxx + +// Copyright 2010 Vicente J. Botet Escriba + +// Distributed under the Boost Software License, Version 1.0. +// See http://www.boost.org/LICENSE_1_0.txt + +#ifndef BOOST_CHRONO_DETAIL_SCAN_KEYWORD_HPP +#define BOOST_CHRONO_DETAIL_SCAN_KEYWORD_HPP + +#include <boost/chrono/config.hpp> + +#include <boost/interprocess/smart_ptr/unique_ptr.hpp> +#include <ios> +#include <exception> +#include <stdlib.h> + +namespace boost { + using interprocess::unique_ptr; + +namespace chrono { +namespace chrono_detail { + +inline void free_aux(void* ptr) { free(ptr); } + +// scan_keyword +// Scans [b, e) until a match is found in the basic_strings range +// [kb, ke) or until it can be shown that there is no match in [kb, ke). +// b will be incremented (visibly), consuming CharT until a match is found +// or proved to not exist. A keyword may be "", in which will match anything. +// If one keyword is a prefix of another, and the next CharT in the input +// might match another keyword, the algorithm will attempt to find the longest +// matching keyword. If the longer matching keyword ends up not matching, then +// no keyword match is found. If no keyword match is found, ke is returned +// and failbit is set in err. +// Else an iterator pointing to the matching keyword is found. If more than +// one keyword matches, an iterator to the first matching keyword is returned. +// If on exit b == e, eofbit is set in err. +// Examples: +// Keywords: "a", "abb" +// If the input is "a", the first keyword matches and eofbit is set. +// If the input is "abc", no match is found and "ab" are consumed. + +template <class InputIterator, class ForwardIterator> +ForwardIterator +scan_keyword(InputIterator& b, InputIterator e, + ForwardIterator kb, ForwardIterator ke, + std::ios_base::iostate& err + ) +{ + typedef typename std::iterator_traits<InputIterator>::value_type CharT; + size_t nkw = std::distance(kb, ke); + const unsigned char doesnt_match = '\0'; + const unsigned char might_match = '\1'; + const unsigned char does_match = '\2'; + unsigned char statbuf[100]; + unsigned char* status = statbuf; + // Change free by free_aux to avoid + // Error: Could not find a match for boost::interprocess::unique_ptr<unsigned char, void(*)(void*)>::unique_ptr(int, extern "C" void(void*)) + unique_ptr<unsigned char, void(*)(void*)> stat_hold(0, free_aux); + if (nkw > sizeof(statbuf)) + { + status = (unsigned char*)malloc(nkw); + if (status == 0) + throw std::bad_alloc(); + stat_hold.reset(status); + } + size_t n_might_match = nkw; // At this point, any keyword might match + size_t n_does_match = 0; // but none of them definitely do + // Initialize all statuses to might_match, except for "" keywords are does_match + unsigned char* st = status; + for (ForwardIterator ky = kb; ky != ke; ++ky, ++st) + { + if (!ky->empty()) + *st = might_match; + else + { + *st = does_match; + --n_might_match; + ++n_does_match; + } + } + // While there might be a match, test keywords against the next CharT + for (size_t indx = 0; b != e && n_might_match > 0; ++indx) + { + // Peek at the next CharT but don't consume it + CharT c = *b; + bool consume = false; + // For each keyword which might match, see if the indx character is c + // If a match if found, consume c + // If a match is found, and that is the last character in the keyword, + // then that keyword matches. + // If the keyword doesn't match this character, then change the keyword + // to doesn't match + st = status; + for (ForwardIterator ky = kb; ky != ke; ++ky, ++st) + { + if (*st == might_match) + { + CharT kc = (*ky)[indx]; + if (c == kc) + { + consume = true; + if (ky->size() == indx+1) + { + *st = does_match; + --n_might_match; + ++n_does_match; + } + } + else + { + *st = doesnt_match; + --n_might_match; + } + } + } + // consume if we matched a character + if (consume) + { + ++b; + // If we consumed a character and there might be a matched keyword that + // was marked matched on a previous iteration, then such keywords + // which are now marked as not matching. + if (n_might_match + n_does_match > 1) + { + st = status; + for (ForwardIterator ky = kb; ky != ke; ++ky, ++st) + { + if (*st == does_match && ky->size() != indx+1) + { + *st = doesnt_match; + --n_does_match; + } + } + } + } + } + // We've exited the loop because we hit eof and/or we have no more "might matches". + if (b == e) + err |= std::ios_base::eofbit; + // Return the first matching result + for (st = status; kb != ke; ++kb, ++st) + if (*st == does_match) + break; + if (kb == ke) + err |= std::ios_base::failbit; + return kb; +} +} +} +} +#endif // BOOST_CHRONO_DETAIL_SCAN_KEYWORD_HPP diff --git a/boost/chrono/detail/static_assert.hpp b/boost/chrono/detail/static_assert.hpp new file mode 100644 index 0000000000..1ad21a56ba --- /dev/null +++ b/boost/chrono/detail/static_assert.hpp @@ -0,0 +1,30 @@ +// static_assert.hpp --------------------------------------------------------------// + +// 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 + + +#ifndef BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP +#define BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP + +#include <boost/chrono/config.hpp> + +#ifndef BOOST_NO_STATIC_ASSERT +#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) static_assert(CND,MSG) +#elif defined(BOOST_CHRONO_USES_STATIC_ASSERT) +#include <boost/static_assert.hpp> +#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) BOOST_STATIC_ASSERT(CND) +#elif defined(BOOST_CHRONO_USES_MPL_ASSERT) +#include <boost/mpl/assert.hpp> +#include <boost/mpl/bool.hpp> +#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) \ + BOOST_MPL_ASSERT_MSG(boost::mpl::bool_< (CND) >::type::value, MSG, TYPES) +#else +//~ #elif defined(BOOST_CHRONO_USES_ARRAY_ASSERT) +#define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) static char BOOST_JOIN(boost_chrono_test_,__LINE__)[(CND)?1:-1] +//~ #define BOOST_CHRONO_STATIC_ASSERT(CND, MSG, TYPES) +#endif + +#endif // BOOST_CHRONO_DETAIL_STATIC_ASSERT_HPP diff --git a/boost/chrono/detail/system.hpp b/boost/chrono/detail/system.hpp new file mode 100644 index 0000000000..f8a40f12a8 --- /dev/null +++ b/boost/chrono/detail/system.hpp @@ -0,0 +1,26 @@ +// 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 + +#ifndef BOOST_CHRONO_DETAIL_SYSTEM_HPP +#define BOOST_CHRONO_DETAIL_SYSTEM_HPP + +#include <boost/version.hpp> +#include <boost/system/error_code.hpp> + +#if ((BOOST_VERSION / 100000) < 2) && ((BOOST_VERSION / 100 % 1000) < 44) +#define BOOST_CHRONO_SYSTEM_CATEGORY boost::system::system_category +#else +#define BOOST_CHRONO_SYSTEM_CATEGORY boost::system::system_category() +#endif + +#ifdef BOOST_SYSTEM_NO_DEPRECATED +#define BOOST_CHRONO_THROWS boost::throws() +#define BOOST_CHRONO_IS_THROWS(EC) (&EC==&boost::throws()) +#else +#define BOOST_CHRONO_THROWS boost::system::throws +#define BOOST_CHRONO_IS_THROWS(EC) (&EC==&boost::system::throws) +#endif + +#endif |