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/*
* main.c - entry point for headless mode (no GUI)
*
* Copyright (C) 2003-2019 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat 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 3 of the License, or
* (at your option) any later version.
*
* WeeChat 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 WeeChat. If not, see <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include "../../../core/weechat.h"
#include "../../gui-main.h"
#include "../gui-curses.h"
/*
* Daemonizes the process.
*/
void
daemonize ()
{
pid_t pid;
int fd, i;
printf (_("Running WeeChat in background..."));
printf (" ");
pid = fork();
if (pid < 0)
{
printf (_("fork error"));
printf ("\n");
exit (EXIT_FAILURE);
}
if (pid > 0)
{
/* parent process */
printf (_("OK"));
printf ("\n");
exit (EXIT_SUCCESS);
}
/* child process */
/* obtain a new process group */
setsid ();
/* close all file descriptors */
for (i = sysconf(_SC_OPEN_MAX); i >= 0; --i)
{
close (i);
}
fd = open ("/dev/null", O_RDWR);
(void) dup (fd);
(void) dup (fd);
}
/*
* Entry point for WeeChat in headless mode (no GUI).
*/
int
main (int argc, char *argv[])
{
int i, daemon;
weechat_init_gettext ();
/*
* Enable a special "headless" mode, where some things are slightly
* different, for example:
* - no read of stdin (keyboard/mouse)
* - don't catch any terminal related signal
*/
weechat_headless = 1;
/*
* If "--daemon" is received in command line arguments,
* daemonize the process.
*/
daemon = 0;
for (i = 1; i < argc; i++)
{
if (strcmp (argv[i], "--daemon") == 0)
{
daemon = 1;
break;
}
}
if (daemon)
daemonize ();
/* init, main loop and end */
weechat_init (argc, argv, &gui_main_init);
gui_main_loop ();
weechat_end (&gui_main_end);
return EXIT_SUCCESS;
}
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