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/* -*- 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
}
}
}
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