khanat-opennel-code/code/nel/tools/misc/lock/lock.cpp

57 lines
1.4 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "nel/misc/types_nl.h"
#include "nel/misc/time_nl.h"
#include "nel/misc/common.h"
#include <stdio.h>
using namespace NLMISC;
int main(int argc, char* argv[])
{
if (argc <3)
{
printf ("lock [filein] [fleout]\n\t");
}
else
{
// Random
srand ((int)CTime::getLocalTime ());
// Open the filein
while (1)
{
// Rename the file
if (rename(argv[1], argv[2]) == 0)
{
return 1;
}
else
{
// Sleep..
printf ("Locked. Waiting for lock to be released\n");
uint sleepTime = (rand () * 5000) / RAND_MAX;
nlSleep (sleepTime);
}
}
// Open the fileout
FILE *fileOut = fopen (argv[2], "w");
}
return 0;
}