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new source files to store signal handling routines

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This commit is contained in:
Frederic Culot 2007-07-23 19:31:12 +00:00
parent d871dc6f10
commit b12150dea5
2 changed files with 107 additions and 0 deletions
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75
src/sigs.c Executable file
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/* $Id: sigs.c,v 1.1 2007/07/23 19:31:12 culot Exp $ */
/*
* Calcurse - text-based organizer
* Copyright (c) 2007 Frederic Culot
*
* 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.
*
* Send your feedback or comments to : calcurse@culot.org
* Calcurse home page : http://culot.org/calcurse
*
*/
#include <sys/types.h>
#include <sys/wait.h>
#include <ncurses.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include "i18n.h"
#include "utils.h"
#include "wins.h"
#include "vars.h"
/*
* General signal handling routine.
* Catch return values from children (user-defined notification commands).
* This is needed to avoid zombie processes running on system.
* Also catch CTRL-C (SIGINT) to exit properly.
*/
static void
signal_handler(int sig)
{
switch (sig) {
case SIGCHLD:
while (waitpid(WAIT_MYPGRP, NULL, WNOHANG) > 0)
;
break;
}
}
/* Signal handling init. */
void
sigs_init(struct sigaction *sa)
{
sa->sa_handler = signal_handler;
sa->sa_flags = 0;
sigemptyset(&sa->sa_mask);
if (sigaction(SIGCHLD, sa, NULL) != 0) {
perror("sigaction");
exit(EXIT_FAILURE);
}
sa->sa_handler = SIG_IGN;
sa->sa_flags = 0;
sigemptyset(&(sa->sa_mask));
if (sigaction(SIGINT, sa, NULL) != 0) {
perror("sigaction");
exit(EXIT_FAILURE);
}
}

32
src/sigs.h Executable file
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/* $Id: sigs.h,v 1.1 2007/07/23 19:31:12 culot Exp $ */
/*
* Calcurse - text-based organizer
* Copyright (c) 2007 Frederic Culot
*
* 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.
*
* Send your feedback or comments to : calcurse@culot.org
* Calcurse home page : http://culot.org/calcurse
*
*/
#ifndef CALCURSE_SIGS_H
#define CALCURSE_SIGS_H
void sigs_init(struct sigaction *);
#endif /* CALCURSE_SIGS_H */