[511] | 1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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| 2 | * |
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| 3 | * This file is a part of LEMON, a generic C++ optimization library. |
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| 4 | * |
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[1270] | 5 | * Copyright (C) 2003-2013 |
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[511] | 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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| 7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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| 8 | * |
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| 9 | * Permission to use, modify and distribute this software is granted |
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| 10 | * provided that this copyright notice appears in all copies. For |
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| 11 | * precise terms see the accompanying LICENSE file. |
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| 12 | * |
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| 13 | * This software is provided "AS IS" with no warranty of any kind, |
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| 14 | * express or implied, and with no claim as to its suitability for any |
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| 15 | * purpose. |
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| 16 | * |
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| 17 | */ |
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| 18 | |
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| 19 | ///\file |
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| 20 | ///\brief Some basic non-inline functions and static global data. |
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| 21 | |
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| 22 | #include<lemon/bits/windows.h> |
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| 23 | |
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[1341] | 24 | #if defined(LEMON_WIN32) && defined(__GNUC__) |
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| 25 | #pragma GCC diagnostic ignored "-Wold-style-cast" |
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| 26 | #endif |
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| 27 | |
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[1340] | 28 | #ifdef LEMON_WIN32 |
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[511] | 29 | #ifndef WIN32_LEAN_AND_MEAN |
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| 30 | #define WIN32_LEAN_AND_MEAN |
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| 31 | #endif |
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| 32 | #ifndef NOMINMAX |
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| 33 | #define NOMINMAX |
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| 34 | #endif |
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[513] | 35 | #ifdef UNICODE |
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| 36 | #undef UNICODE |
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| 37 | #endif |
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[511] | 38 | #include <windows.h> |
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[513] | 39 | #ifdef LOCALE_INVARIANT |
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| 40 | #define MY_LOCALE LOCALE_INVARIANT |
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| 41 | #else |
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| 42 | #define MY_LOCALE LOCALE_NEUTRAL |
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| 43 | #endif |
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[511] | 44 | #else |
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| 45 | #include <unistd.h> |
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| 46 | #include <ctime> |
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[1340] | 47 | #ifndef LEMON_WIN32 |
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[511] | 48 | #include <sys/times.h> |
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[1053] | 49 | #endif |
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[511] | 50 | #include <sys/time.h> |
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| 51 | #endif |
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| 52 | |
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| 53 | #include <cmath> |
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| 54 | #include <sstream> |
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| 55 | |
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| 56 | namespace lemon { |
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| 57 | namespace bits { |
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| 58 | void getWinProcTimes(double &rtime, |
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| 59 | double &utime, double &stime, |
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| 60 | double &cutime, double &cstime) |
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| 61 | { |
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[1340] | 62 | #ifdef LEMON_WIN32 |
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[511] | 63 | static const double ch = 4294967296.0e-7; |
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| 64 | static const double cl = 1.0e-7; |
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| 65 | |
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| 66 | FILETIME system; |
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| 67 | GetSystemTimeAsFileTime(&system); |
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| 68 | rtime = ch * system.dwHighDateTime + cl * system.dwLowDateTime; |
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| 69 | |
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| 70 | FILETIME create, exit, kernel, user; |
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| 71 | if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) { |
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| 72 | utime = ch * user.dwHighDateTime + cl * user.dwLowDateTime; |
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| 73 | stime = ch * kernel.dwHighDateTime + cl * kernel.dwLowDateTime; |
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| 74 | cutime = 0; |
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| 75 | cstime = 0; |
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| 76 | } else { |
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| 77 | rtime = 0; |
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| 78 | utime = 0; |
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| 79 | stime = 0; |
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| 80 | cutime = 0; |
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| 81 | cstime = 0; |
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| 82 | } |
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| 83 | #else |
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| 84 | timeval tv; |
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| 85 | gettimeofday(&tv, 0); |
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| 86 | rtime=tv.tv_sec+double(tv.tv_usec)/1e6; |
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| 87 | |
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| 88 | tms ts; |
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| 89 | double tck=sysconf(_SC_CLK_TCK); |
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| 90 | times(&ts); |
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| 91 | utime=ts.tms_utime/tck; |
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| 92 | stime=ts.tms_stime/tck; |
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| 93 | cutime=ts.tms_cutime/tck; |
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| 94 | cstime=ts.tms_cstime/tck; |
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| 95 | #endif |
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| 96 | } |
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| 97 | |
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| 98 | std::string getWinFormattedDate() |
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| 99 | { |
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| 100 | std::ostringstream os; |
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[1340] | 101 | #ifdef LEMON_WIN32 |
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[511] | 102 | SYSTEMTIME time; |
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| 103 | GetSystemTime(&time); |
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[513] | 104 | char buf1[11], buf2[9], buf3[5]; |
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[1340] | 105 | if (GetDateFormat(MY_LOCALE, 0, &time, |
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[513] | 106 | ("ddd MMM dd"), buf1, 11) && |
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| 107 | GetTimeFormat(MY_LOCALE, 0, &time, |
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| 108 | ("HH':'mm':'ss"), buf2, 9) && |
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| 109 | GetDateFormat(MY_LOCALE, 0, &time, |
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| 110 | ("yyyy"), buf3, 5)) { |
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[511] | 111 | os << buf1 << ' ' << buf2 << ' ' << buf3; |
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| 112 | } |
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| 113 | else os << "unknown"; |
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| 114 | #else |
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| 115 | timeval tv; |
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| 116 | gettimeofday(&tv, 0); |
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| 117 | |
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| 118 | char cbuf[26]; |
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| 119 | ctime_r(&tv.tv_sec,cbuf); |
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| 120 | os << cbuf; |
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| 121 | #endif |
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| 122 | return os.str(); |
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| 123 | } |
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| 124 | |
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| 125 | int getWinRndSeed() |
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| 126 | { |
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[1340] | 127 | #ifdef LEMON_WIN32 |
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[511] | 128 | FILETIME time; |
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| 129 | GetSystemTimeAsFileTime(&time); |
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| 130 | return GetCurrentProcessId() + time.dwHighDateTime + time.dwLowDateTime; |
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| 131 | #else |
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| 132 | timeval tv; |
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| 133 | gettimeofday(&tv, 0); |
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| 134 | return getpid() + tv.tv_sec + tv.tv_usec; |
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| 135 | #endif |
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| 136 | } |
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[1131] | 137 | |
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| 138 | WinLock::WinLock() { |
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[1340] | 139 | #ifdef LEMON_WIN32 |
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[1131] | 140 | CRITICAL_SECTION *lock = new CRITICAL_SECTION; |
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| 141 | InitializeCriticalSection(lock); |
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| 142 | _repr = lock; |
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[1163] | 143 | #else |
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| 144 | _repr = 0; //Just to avoid 'unused variable' warning with clang |
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[1131] | 145 | #endif |
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| 146 | } |
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[1270] | 147 | |
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[1131] | 148 | WinLock::~WinLock() { |
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[1340] | 149 | #ifdef LEMON_WIN32 |
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[1131] | 150 | CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); |
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| 151 | DeleteCriticalSection(lock); |
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| 152 | delete lock; |
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| 153 | #endif |
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| 154 | } |
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| 155 | |
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| 156 | void WinLock::lock() { |
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[1340] | 157 | #ifdef LEMON_WIN32 |
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[1131] | 158 | CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); |
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| 159 | EnterCriticalSection(lock); |
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| 160 | #endif |
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| 161 | } |
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| 162 | |
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| 163 | void WinLock::unlock() { |
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[1340] | 164 | #ifdef LEMON_WIN32 |
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[1131] | 165 | CRITICAL_SECTION *lock = static_cast<CRITICAL_SECTION*>(_repr); |
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| 166 | LeaveCriticalSection(lock); |
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| 167 | #endif |
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| 168 | } |
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[511] | 169 | } |
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| 170 | } |
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