72 lines
1.8 KiB
C
Executable File
72 lines
1.8 KiB
C
Executable File
/* $Id: sigs.c,v 1.2 2007/07/28 13:11:42 culot Exp $ */
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/*
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* Calcurse - text-based organizer
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* Copyright (c) 2007 Frederic Culot
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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 received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Send your feedback or comments to : calcurse@culot.org
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* Calcurse home page : http://culot.org/calcurse
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*
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*/
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <stdlib.h>
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#include <signal.h>
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#include "i18n.h"
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#include "vars.h"
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/*
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* General signal handling routine.
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* Catch return values from children (user-defined notification commands).
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* This is needed to avoid zombie processes running on system.
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* Also catch CTRL-C (SIGINT) to exit properly.
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*/
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static void
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signal_handler(int sig)
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{
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switch (sig) {
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case SIGCHLD:
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while (waitpid(WAIT_MYPGRP, NULL, WNOHANG) > 0)
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;
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break;
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}
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}
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/* Signal handling init. */
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void
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sigs_init(struct sigaction *sa)
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{
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sa->sa_handler = signal_handler;
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sa->sa_flags = 0;
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sigemptyset(&sa->sa_mask);
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if (sigaction(SIGCHLD, sa, NULL) != 0) {
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perror("sigaction");
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exit(EXIT_FAILURE);
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}
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sa->sa_handler = SIG_IGN;
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sa->sa_flags = 0;
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sigemptyset(&(sa->sa_mask));
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if (sigaction(SIGINT, sa, NULL) != 0) {
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perror("sigaction");
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exit(EXIT_FAILURE);
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}
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}
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