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jfr.im git - solanum.git/blob - ircd/ircd_signal.c
1 /************************************************************************
2 * IRC - Internet Relay Chat, src/ircd_signal.c
3 * Copyright (C) 1990 Jarkko Oikarinen and
4 * University of Oulu, Computing Center
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 1, or (at your option)
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "ircd_signal.h"
23 #include "ircd.h" /* dorehash */
24 #include "restart.h" /* server_reboot */
32 #include <sys/types.h>
36 * dummy_handler - don't know if this is really needed but if alarm is still
37 * being used we probably will
40 dummy_handler(int sig
)
47 sigchld_handler(int sig
)
52 while (waitpid(-1, &status
, WNOHANG
) > 0)
58 * sigterm_handler - exit the server
61 sigterm_handler(int sig
)
63 ircd_shutdown("Received SIGTERM");
67 * sighup_handler - reread the server configuration
70 sighup_handler(int sig
)
76 * sigusr1_handler - reread the motd file
79 sigusr1_handler(int sig
)
85 sigusr2_handler(int sig
)
91 * sigint_handler - restart the server
94 sigint_handler(int sig
)
96 static bool restarting
= false;
98 if(server_state_foreground
)
100 ilog(L_MAIN
, "Server exiting on SIGINT");
105 ilog(L_MAIN
, "Server Restarting on SIGINT");
115 * setup_signals - initialize signal handlers for server
121 struct sigaction act
;
125 act
.sa_handler
= SIG_IGN
;
126 sigemptyset(&act
.sa_mask
);
127 sigaddset(&act
.sa_mask
, SIGPIPE
);
128 sigaddset(&act
.sa_mask
, SIGALRM
);
130 sigaddset(&act
.sa_mask
, SIGTRAP
);
134 sigaddset(&act
.sa_mask
, SIGWINCH
);
135 sigaction(SIGWINCH
, &act
, 0);
137 sigaction(SIGPIPE
, &act
, 0);
139 sigaction(SIGTRAP
, &act
, 0);
142 act
.sa_handler
= dummy_handler
;
143 sigaction(SIGALRM
, &act
, 0);
144 sigaddset(&sigs
, SIGALRM
);
146 act
.sa_handler
= sighup_handler
;
147 sigemptyset(&act
.sa_mask
);
148 sigaddset(&act
.sa_mask
, SIGHUP
);
149 sigaction(SIGHUP
, &act
, 0);
150 sigaddset(&sigs
, SIGHUP
);
152 act
.sa_handler
= sigint_handler
;
153 sigaddset(&act
.sa_mask
, SIGINT
);
154 sigaction(SIGINT
, &act
, 0);
155 sigaddset(&sigs
, SIGINT
);
157 act
.sa_handler
= sigterm_handler
;
158 sigaddset(&act
.sa_mask
, SIGTERM
);
159 sigaction(SIGTERM
, &act
, 0);
160 sigaddset(&sigs
, SIGTERM
);
162 act
.sa_handler
= sigusr1_handler
;
163 sigaddset(&act
.sa_mask
, SIGUSR1
);
164 sigaction(SIGUSR1
, &act
, 0);
165 sigaddset(&sigs
, SIGUSR1
);
167 act
.sa_handler
= sigusr2_handler
;
168 sigaddset(&act
.sa_mask
, SIGUSR2
);
169 sigaction(SIGUSR2
, &act
, 0);
170 sigaddset(&sigs
, SIGUSR2
);
172 act
.sa_handler
= sigchld_handler
;
173 sigaddset(&act
.sa_mask
, SIGCHLD
);
174 sigaction(SIGCHLD
, &act
, 0);
175 sigaddset(&sigs
, SIGCHLD
);
177 sigprocmask(SIG_UNBLOCK
, &sigs
, NULL
);
184 /* this is a stub for mingw32 */
188 setup_reboot_signals()
190 /* this is a stub for mingw32 */