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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5 | * Copyright (C) 2003-2011 |
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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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31 | #ifdef UNICODE |
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32 | #undef UNICODE |
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33 | #endif |
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34 | #include <windows.h> |
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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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40 | #else |
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41 | #include <unistd.h> |
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42 | #include <ctime> |
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43 | #ifndef WIN32 |
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44 | #include <sys/times.h> |
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45 | #endif |
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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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100 | char buf1[11], buf2[9], buf3[5]; |
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101 | if (GetDateFormat(MY_LOCALE, 0, &time, |
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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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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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