[482] | 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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[927] | 5 | * Copyright (C) 2003-2011 |
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[482] | 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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| 24 | #ifdef WIN32 |
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| 25 | #ifndef WIN32_LEAN_AND_MEAN |
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| 26 | #define WIN32_LEAN_AND_MEAN |
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| 27 | #endif |
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| 28 | #ifndef NOMINMAX |
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| 29 | #define NOMINMAX |
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| 30 | #endif |
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[483] | 31 | #ifdef UNICODE |
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| 32 | #undef UNICODE |
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| 33 | #endif |
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[482] | 34 | #include <windows.h> |
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[483] | 35 | #ifdef LOCALE_INVARIANT |
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| 36 | #define MY_LOCALE LOCALE_INVARIANT |
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| 37 | #else |
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| 38 | #define MY_LOCALE LOCALE_NEUTRAL |
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| 39 | #endif |
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[482] | 40 | #else |
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| 41 | #include <unistd.h> |
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| 42 | #include <ctime> |
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[913] | 43 | #ifndef WIN32 |
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[482] | 44 | #include <sys/times.h> |
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[913] | 45 | #endif |
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[482] | 46 | #include <sys/time.h> |
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| 47 | #endif |
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| 48 | |
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| 49 | #include <cmath> |
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| 50 | #include <sstream> |
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| 51 | |
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| 52 | namespace lemon { |
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| 53 | namespace bits { |
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| 54 | void getWinProcTimes(double &rtime, |
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| 55 | double &utime, double &stime, |
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| 56 | double &cutime, double &cstime) |
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| 57 | { |
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| 58 | #ifdef WIN32 |
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| 59 | static const double ch = 4294967296.0e-7; |
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| 60 | static const double cl = 1.0e-7; |
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| 61 | |
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| 62 | FILETIME system; |
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| 63 | GetSystemTimeAsFileTime(&system); |
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| 64 | rtime = ch * system.dwHighDateTime + cl * system.dwLowDateTime; |
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| 65 | |
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| 66 | FILETIME create, exit, kernel, user; |
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| 67 | if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) { |
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| 68 | utime = ch * user.dwHighDateTime + cl * user.dwLowDateTime; |
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| 69 | stime = ch * kernel.dwHighDateTime + cl * kernel.dwLowDateTime; |
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| 70 | cutime = 0; |
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| 71 | cstime = 0; |
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| 72 | } else { |
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| 73 | rtime = 0; |
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| 74 | utime = 0; |
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| 75 | stime = 0; |
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| 76 | cutime = 0; |
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| 77 | cstime = 0; |
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| 78 | } |
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| 79 | #else |
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| 80 | timeval tv; |
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| 81 | gettimeofday(&tv, 0); |
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| 82 | rtime=tv.tv_sec+double(tv.tv_usec)/1e6; |
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| 83 | |
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| 84 | tms ts; |
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| 85 | double tck=sysconf(_SC_CLK_TCK); |
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| 86 | times(&ts); |
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| 87 | utime=ts.tms_utime/tck; |
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| 88 | stime=ts.tms_stime/tck; |
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| 89 | cutime=ts.tms_cutime/tck; |
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| 90 | cstime=ts.tms_cstime/tck; |
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| 91 | #endif |
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| 92 | } |
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| 93 | |
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| 94 | std::string getWinFormattedDate() |
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| 95 | { |
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| 96 | std::ostringstream os; |
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| 97 | #ifdef WIN32 |
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| 98 | SYSTEMTIME time; |
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| 99 | GetSystemTime(&time); |
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[483] | 100 | char buf1[11], buf2[9], buf3[5]; |
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[877] | 101 | if (GetDateFormat(MY_LOCALE, 0, &time, |
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[483] | 102 | ("ddd MMM dd"), buf1, 11) && |
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| 103 | GetTimeFormat(MY_LOCALE, 0, &time, |
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| 104 | ("HH':'mm':'ss"), buf2, 9) && |
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| 105 | GetDateFormat(MY_LOCALE, 0, &time, |
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| 106 | ("yyyy"), buf3, 5)) { |
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[482] | 107 | os << buf1 << ' ' << buf2 << ' ' << buf3; |
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| 108 | } |
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| 109 | else os << "unknown"; |
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| 110 | #else |
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| 111 | timeval tv; |
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| 112 | gettimeofday(&tv, 0); |
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| 113 | |
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| 114 | char cbuf[26]; |
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| 115 | ctime_r(&tv.tv_sec,cbuf); |
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| 116 | os << cbuf; |
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| 117 | #endif |
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| 118 | return os.str(); |
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| 119 | } |
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| 120 | |
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| 121 | int getWinRndSeed() |
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| 122 | { |
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| 123 | #ifdef WIN32 |
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| 124 | FILETIME time; |
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| 125 | GetSystemTimeAsFileTime(&time); |
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| 126 | return GetCurrentProcessId() + time.dwHighDateTime + time.dwLowDateTime; |
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| 127 | #else |
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| 128 | timeval tv; |
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| 129 | gettimeofday(&tv, 0); |
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| 130 | return getpid() + tv.tv_sec + tv.tv_usec; |
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| 131 | #endif |
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| 132 | } |
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| 133 | } |
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| 134 | } |
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