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Diffstat (limited to 'extern/quadriflow/3rd/lemon-1.3.1/lemon/bits/windows.cc')
| -rw-r--r-- | extern/quadriflow/3rd/lemon-1.3.1/lemon/bits/windows.cc | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/extern/quadriflow/3rd/lemon-1.3.1/lemon/bits/windows.cc b/extern/quadriflow/3rd/lemon-1.3.1/lemon/bits/windows.cc new file mode 100644 index 00000000000..7ad901c619c --- /dev/null +++ b/extern/quadriflow/3rd/lemon-1.3.1/lemon/bits/windows.cc @@ -0,0 +1,166 @@ +/* -*- mode: C++; indent-tabs-mode: nil; -*- + * + * This file is a part of LEMON, a generic C++ optimization library. + * + * Copyright (C) 2003-2013 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport + * (Egervary Research Group on Combinatorial Optimization, EGRES). + * + * Permission to use, modify and distribute this software is granted + * provided that this copyright notice appears in all copies. For + * precise terms see the accompanying LICENSE file. + * + * This software is provided "AS IS" with no warranty of any kind, + * express or implied, and with no claim as to its suitability for any + * purpose. + * + */ + +///\file +///\brief Some basic non-inline functions and static global data. + +#include<lemon/bits/windows.h> + +#ifdef WIN32 +#ifndef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#endif +#ifndef NOMINMAX +#define NOMINMAX +#endif +#ifdef UNICODE +#undef UNICODE +#endif +#include <windows.h> +#ifdef LOCALE_INVARIANT +#define MY_LOCALE LOCALE_INVARIANT +#else +#define MY_LOCALE LOCALE_NEUTRAL +#endif +#else +#include <unistd.h> +#include <ctime> +#ifndef WIN32 +#include <sys/times.h> +#endif +#include <sys/time.h> +#endif + +#include <cmath> +#include <sstream> + +namespace lemon { + namespace bits { + void getWinProcTimes(double &rtime, + double &utime, double &stime, + double &cutime, double &cstime) + { +#ifdef WIN32 + static const double ch = 4294967296.0e-7; + static const double cl = 1.0e-7; + + FILETIME system; + GetSystemTimeAsFileTime(&system); + rtime = ch * system.dwHighDateTime + cl * system.dwLowDateTime; + + FILETIME create, exit, kernel, user; + if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) { + utime = ch * user.dwHighDateTime + cl * user.dwLowDateTime; + stime = ch * kernel.dwHighDateTime + cl * kernel.dwLowDateTime; + cutime = 0; + cstime = 0; + } else { + rtime = 0; + utime = 0; + stime = 0; + cutime = 0; + cstime = 0; + } +#else + timeval tv; + gettimeofday(&tv, 0); + rtime=tv.tv_sec+double(tv.tv_usec)/1e6; + + tms ts; + double tck=sysconf(_SC_CLK_TCK); + times(&ts); + utime=ts.tms_utime/tck; + stime=ts.tms_stime/tck; + cutime=ts.tms_cutime/tck; + cstime=ts.tms_cstime/tck; +#endif + } + + std::string getWinFormattedDate() + { + std::ostringstream os; +#ifdef WIN32 + SYSTEMTIME time; + GetSystemTime(&time); + char buf1[11], buf2[9], buf3[5]; + if (GetDateFormat(MY_LOCALE, 0, &time, + ("ddd MMM dd"), buf1, 11) && + GetTimeFormat(MY_LOCALE, 0, &time, + ("HH':'mm':'ss"), buf2, 9) && + GetDateFormat(MY_LOCALE, 0, &time, + ("yyyy"), buf3, 5)) { + os << buf1 << ' ' << buf2 << ' ' << buf3; + } + else os << "unknown"; +#else + timeval tv; + gettimeofday(&tv, 0); + + char cbuf[26]; + ctime_r(&tv.tv_sec,cbuf); + os << cbuf; +#endif + return os.str(); + } + + int getWinRndSeed() + { +#ifdef WIN32 + FILETIME time; + GetSystemTimeAsFileTime(&time); + return GetCurrentProcessId() + time.dwHighDateTime + time.dwLowDateTime; +#else + timeval tv; + gettimeofday(&tv, 0); + return getpid() + tv.tv_sec + tv.tv_usec; +#endif + } + + WinLock::WinLock() { +#ifdef WIN32 + CRITICAL_SECTION *lock = new CRITICAL_SECTION; + InitializeCriticalSection(lock); + _repr = lock; +#else + _repr = 0; //Just to avoid 'unused variable' warning with clang +#endif + } + + WinLock::~WinLock() { +#ifdef WIN32 + CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); + DeleteCriticalSection(lock); + delete lock; +#endif + } + + void WinLock::lock() { +#ifdef WIN32 + CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); + EnterCriticalSection(lock); +#endif + } + + void WinLock::unlock() { +#ifdef WIN32 + CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); + LeaveCriticalSection(lock); +#endif + } + } +} |