1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/lemon/bits/windows.cc Thu Nov 05 15:48:01 2009 +0100
1.3 @@ -0,0 +1,132 @@
1.4 +/* -*- mode: C++; indent-tabs-mode: nil; -*-
1.5 + *
1.6 + * This file is a part of LEMON, a generic C++ optimization library.
1.7 + *
1.8 + * Copyright (C) 2003-2009
1.9 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
1.10 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
1.11 + *
1.12 + * Permission to use, modify and distribute this software is granted
1.13 + * provided that this copyright notice appears in all copies. For
1.14 + * precise terms see the accompanying LICENSE file.
1.15 + *
1.16 + * This software is provided "AS IS" with no warranty of any kind,
1.17 + * express or implied, and with no claim as to its suitability for any
1.18 + * purpose.
1.19 + *
1.20 + */
1.21 +
1.22 +///\file
1.23 +///\brief Some basic non-inline functions and static global data.
1.24 +
1.25 +#include<lemon/bits/windows.h>
1.26 +
1.27 +#ifdef WIN32
1.28 +#ifndef WIN32_LEAN_AND_MEAN
1.29 +#define WIN32_LEAN_AND_MEAN
1.30 +#endif
1.31 +#ifndef NOMINMAX
1.32 +#define NOMINMAX
1.33 +#endif
1.34 +#ifdef UNICODE
1.35 +#undef UNICODE
1.36 +#endif
1.37 +#include <windows.h>
1.38 +#ifdef LOCALE_INVARIANT
1.39 +#define MY_LOCALE LOCALE_INVARIANT
1.40 +#else
1.41 +#define MY_LOCALE LOCALE_NEUTRAL
1.42 +#endif
1.43 +#else
1.44 +#include <unistd.h>
1.45 +#include <ctime>
1.46 +#include <sys/times.h>
1.47 +#include <sys/time.h>
1.48 +#endif
1.49 +
1.50 +#include <cmath>
1.51 +#include <sstream>
1.52 +
1.53 +namespace lemon {
1.54 + namespace bits {
1.55 + void getWinProcTimes(double &rtime,
1.56 + double &utime, double &stime,
1.57 + double &cutime, double &cstime)
1.58 + {
1.59 +#ifdef WIN32
1.60 + static const double ch = 4294967296.0e-7;
1.61 + static const double cl = 1.0e-7;
1.62 +
1.63 + FILETIME system;
1.64 + GetSystemTimeAsFileTime(&system);
1.65 + rtime = ch * system.dwHighDateTime + cl * system.dwLowDateTime;
1.66 +
1.67 + FILETIME create, exit, kernel, user;
1.68 + if (GetProcessTimes(GetCurrentProcess(),&create, &exit, &kernel, &user)) {
1.69 + utime = ch * user.dwHighDateTime + cl * user.dwLowDateTime;
1.70 + stime = ch * kernel.dwHighDateTime + cl * kernel.dwLowDateTime;
1.71 + cutime = 0;
1.72 + cstime = 0;
1.73 + } else {
1.74 + rtime = 0;
1.75 + utime = 0;
1.76 + stime = 0;
1.77 + cutime = 0;
1.78 + cstime = 0;
1.79 + }
1.80 +#else
1.81 + timeval tv;
1.82 + gettimeofday(&tv, 0);
1.83 + rtime=tv.tv_sec+double(tv.tv_usec)/1e6;
1.84 +
1.85 + tms ts;
1.86 + double tck=sysconf(_SC_CLK_TCK);
1.87 + times(&ts);
1.88 + utime=ts.tms_utime/tck;
1.89 + stime=ts.tms_stime/tck;
1.90 + cutime=ts.tms_cutime/tck;
1.91 + cstime=ts.tms_cstime/tck;
1.92 +#endif
1.93 + }
1.94 +
1.95 + std::string getWinFormattedDate()
1.96 + {
1.97 + std::ostringstream os;
1.98 +#ifdef WIN32
1.99 + SYSTEMTIME time;
1.100 + GetSystemTime(&time);
1.101 + char buf1[11], buf2[9], buf3[5];
1.102 + if (GetDateFormat(MY_LOCALE, 0, &time,
1.103 + ("ddd MMM dd"), buf1, 11) &&
1.104 + GetTimeFormat(MY_LOCALE, 0, &time,
1.105 + ("HH':'mm':'ss"), buf2, 9) &&
1.106 + GetDateFormat(MY_LOCALE, 0, &time,
1.107 + ("yyyy"), buf3, 5)) {
1.108 + os << buf1 << ' ' << buf2 << ' ' << buf3;
1.109 + }
1.110 + else os << "unknown";
1.111 +#else
1.112 + timeval tv;
1.113 + gettimeofday(&tv, 0);
1.114 +
1.115 + char cbuf[26];
1.116 + ctime_r(&tv.tv_sec,cbuf);
1.117 + os << cbuf;
1.118 +#endif
1.119 + return os.str();
1.120 + }
1.121 +
1.122 + int getWinRndSeed()
1.123 + {
1.124 +#ifdef WIN32
1.125 + FILETIME time;
1.126 + GetSystemTimeAsFileTime(&time);
1.127 + return GetCurrentProcessId() + time.dwHighDateTime + time.dwLowDateTime;
1.128 +#else
1.129 + timeval tv;
1.130 + gettimeofday(&tv, 0);
1.131 + return getpid() + tv.tv_sec + tv.tv_usec;
1.132 +#endif
1.133 + }
1.134 + }
1.135 +}