89 lines
2.0 KiB
C
89 lines
2.0 KiB
C
/*
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* UserServer/0.1
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* signal.c - Signal handling
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*
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* Copyright (C) 2002 Gergely Polonkai
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* Copyright (C) 2002-2006 P-Team Programmers' Group
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have recieved a copy of the GNU General Public License
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* along with this program; if not, write to Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA, 02111-1307, USA.
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*
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* GNU GPL is in doc/COPYING
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*/
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#include <string.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "userv.h"
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#include "functions.h"
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int fcount = 0;
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void
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rehash(int signum) {
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Log(MT_MSG, "Signal caught, rehashing...");
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CleanUp(0);
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ParseConfig();
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StartListening();
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}
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void
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shutdown(int signum) {
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Log(MT_MSG, "Signal caught, shutting down...");
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CleanUp(0);
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unlink("/var/run/userv.pid");
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exit(0);
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}
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void
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fatal(int signum) {
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if (signum == SIGSEGV)
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Log(MT_ERROR, "segv");
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fcount++;
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Log(MT_ERROR, "Fatal signal caught, terminating...");
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PrintContext;
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unlink("/var/run/userv.pid");
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if (fcount > 1)
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exit(1);
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CleanUp(1);
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exit(1);
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}
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#define SA(x, y) memset(&sa, 0, sizeof(sa)); \
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sa.sa_handler = (y); \
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sigaction(x, &sa, NULL)
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void
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SetSignals(void) {
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struct sigaction sa;
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SA(SIGHUP, &rehash);
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SA(SIGINT, &shutdown);
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SA(SIGQUIT, &shutdown);
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SA(SIGILL, &fatal);
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SA(SIGABRT, &shutdown);
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SA(SIGFPE, &fatal);
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SA(SIGSEGV, &fatal);
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SA(SIGTERM, &shutdown);
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SA(SIGUSR1, SIG_IGN);
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SA(SIGUSR2, SIG_IGN);
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SA(SIGPIPE, SIG_IGN);
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SA(SIGCHLD, SIG_IGN);
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SA(SIGTTIN, SIG_IGN);
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SA(SIGTTOU, SIG_IGN);
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}
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#undef SA
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