diff options
| -rwxr-xr-x | src/sigs.c | 75 | ||||
| -rwxr-xr-x | src/sigs.h | 32 |
2 files changed, 107 insertions, 0 deletions
diff --git a/src/sigs.c b/src/sigs.c new file mode 100755 index 0000000..a544952 --- /dev/null +++ b/src/sigs.c @@ -0,0 +1,75 @@ +/* $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); + } +} diff --git a/src/sigs.h b/src/sigs.h new file mode 100755 index 0000000..1643567 --- /dev/null +++ b/src/sigs.h @@ -0,0 +1,32 @@ +/* $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 */ |