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[Rel21] Stage 1 of updates for Rel21 Build System

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Antz 2015-07-28 10:59:34 +01:00 • committed by Antz
parent 13292befd6
commit fdefc0869a
1951 changed files with 40474 additions and 252610 deletions
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147
src/shared/PosixDaemon.cpp
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@ -1,147 +0,0 @@
/**
* MaNGOS is a full featured server for World of Warcraft, supporting
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
*
* Copyright (C) 2005-2015 MaNGOS project <http://getmangos.eu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
* and lore are copyrighted by Blizzard Entertainment, Inc.
*/
#include "Config/Config.h"
#include "PosixDaemon.h"
#include <cstdio>
#include <iostream>
#include <fstream>
pid_t parent_pid = 0, sid = 0;
void daemonSignal(int s)
{
if (getpid() != parent_pid)
{
return;
}
if (s == SIGUSR1)
{
exit(EXIT_SUCCESS);
}
if (sid)
{
kill(sid, s);
}
exit(EXIT_FAILURE);
}
void startDaemon(uint32_t timeout)
{
parent_pid = getpid();
pid_t pid;
signal(SIGUSR1, daemonSignal);
signal(SIGINT, daemonSignal);
signal(SIGTERM, daemonSignal);
signal(SIGALRM, daemonSignal);
sid = pid = fork();
if (pid < 0)
{
exit(EXIT_FAILURE);
}
if (pid > 0)
{
alarm(timeout);
pause();
exit(EXIT_FAILURE);
}
umask(0);
sid = setsid();
if (sid < 0)
{
exit(EXIT_FAILURE);
}
if ((chdir("/")) < 0)
{
exit(EXIT_FAILURE);
}
if (!freopen("/dev/null", "rt", stdin))
exit(EXIT_FAILURE);
if (!freopen("/dev/null", "wt", stdout))
exit(EXIT_FAILURE);
if (!freopen("/dev/null", "wt", stderr))
exit(EXIT_FAILURE);
}
void stopDaemon()
{
std::string pidfile = sConfig.GetStringDefault("PidFile", "");
if (!pidfile.empty())
{
std::fstream pf(pidfile.c_str(), std::ios::in);
uint32_t pid = 0;
pf >> pid;
if (kill(pid, SIGINT) < 0)
{
std::cerr << "Unable to stop daemon" << std::endl;
exit(EXIT_FAILURE);
}
pf.close();
}
else
{
std::cerr << "No pid file specified" << std::endl;
}
exit(EXIT_SUCCESS);
}
void detachDaemon()
{
if (parent_pid)
{
kill(parent_pid, SIGUSR1);
}
}
void exitDaemon()
{
if (parent_pid && parent_pid != getpid())
{
kill(parent_pid, SIGTERM);
}
}
struct WatchDog
{
~WatchDog()
{
exitDaemon();
}
};
WatchDog dog;