diff options
Diffstat (limited to 'src/third_party/boost-1.56.0/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp')
| -rw-r--r-- | src/third_party/boost-1.56.0/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/src/third_party/boost-1.56.0/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp b/src/third_party/boost-1.56.0/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp deleted file mode 100644 index 0476f590c9c..00000000000 --- a/src/third_party/boost-1.56.0/boost/chrono/detail/inlined/posix/process_cpu_clocks.hpp +++ /dev/null @@ -1,354 +0,0 @@ -// 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 nanoseconds::rep 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 -{ - 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( - nanoseconds(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( - nanoseconds(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( - nanoseconds((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( - nanoseconds((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( - nanoseconds((tm.tms_stime + tm.tms_cstime)*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_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( - nanoseconds((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 - { - nanoseconds::rep 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 - { - if ( chrono_detail::tick_factor() != -1 ) - { - time_point::rep r( - c*chrono_detail::tick_factor(), - (tm.tms_utime + tm.tms_cutime)*chrono_detail::tick_factor(), - (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 - -} } |