You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
2.0 KiB
88 lines
2.0 KiB
/*
|
|
* UserServer/0.1
|
|
* signal.c - Signal handling
|
|
*
|
|
* Copyright (C) 2002 Gergely Polonkai
|
|
* Copyright (C) 2002-2006 P-Team Programmers' Group
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of 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 recieved a copy of the GNU General Public License
|
|
* along with this program; if not, write to Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA, 02111-1307, USA.
|
|
*
|
|
* GNU GPL is in doc/COPYING
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "userv.h"
|
|
#include "functions.h"
|
|
|
|
int fcount = 0;
|
|
|
|
void
|
|
rehash(int signum) {
|
|
Log(MT_MSG, "Signal caught, rehashing...");
|
|
CleanUp(0);
|
|
ParseConfig();
|
|
StartListening();
|
|
}
|
|
|
|
void
|
|
shutdown(int signum) {
|
|
Log(MT_MSG, "Signal caught, shutting down...");
|
|
CleanUp(0);
|
|
unlink("/var/run/userv.pid");
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
fatal(int signum) {
|
|
if (signum == SIGSEGV)
|
|
Log(MT_ERROR, "segv");
|
|
fcount++;
|
|
Log(MT_ERROR, "Fatal signal caught, terminating...");
|
|
PrintContext;
|
|
unlink("/var/run/userv.pid");
|
|
if (fcount > 1)
|
|
exit(1);
|
|
CleanUp(1);
|
|
exit(1);
|
|
}
|
|
|
|
#define SA(x, y) memset(&sa, 0, sizeof(sa)); \
|
|
sa.sa_handler = (y); \
|
|
sigaction(x, &sa, NULL)
|
|
void
|
|
SetSignals(void) {
|
|
struct sigaction sa;
|
|
|
|
SA(SIGHUP, &rehash);
|
|
SA(SIGINT, &shutdown);
|
|
SA(SIGQUIT, &shutdown);
|
|
SA(SIGILL, &fatal);
|
|
SA(SIGABRT, &shutdown);
|
|
SA(SIGFPE, &fatal);
|
|
SA(SIGSEGV, &fatal);
|
|
SA(SIGTERM, &shutdown);
|
|
SA(SIGUSR1, SIG_IGN);
|
|
SA(SIGUSR2, SIG_IGN);
|
|
SA(SIGPIPE, SIG_IGN);
|
|
SA(SIGCHLD, SIG_IGN);
|
|
SA(SIGTTIN, SIG_IGN);
|
|
SA(SIGTTOU, SIG_IGN);
|
|
}
|
|
#undef SA
|
|
|
|
|