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/*-*- Mode: C; c-basic-offset: 8 -*-*/
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd 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.
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <dbus/dbus.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "manager.h"
#include "log.h"
#include "mount-setup.h"
int main(int argc, char *argv[]) {
Manager *m = NULL;
Unit *target = NULL;
Job *job = NULL;
int r, retval = 1;
const char *default_unit;
if (argc >= 2)
default_unit = argv[1];
else
default_unit = SPECIAL_DEFAULT_TARGET;
/* Move out of the way, so that we won't block unmounts */
assert_se(chdir("/") == 0);
/* Reset all signal handlers. */
assert_se(reset_all_signal_handlers() == 0);
/* Become a session leader if we aren't one yet. */
setsid();
/* Disable the umask logic */
umask(0);
/* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
dbus_connection_set_change_sigpipe(FALSE);
/* Mount /dev, /sys and friends */
mount_setup();
/* Set up logging */
log_set_target(LOG_TARGET_CONSOLE);
/* Open the logging devices, if possible and necessary*/
log_open_syslog();
log_open_kmsg();
if ((r = manager_new(&m)) < 0) {
log_error("Failed to allocate manager object: %s", strerror(-r));
goto finish;
}
if ((r = manager_coldplug(m)) < 0) {
log_error("Failed to retrieve coldplug information: %s", strerror(-r));
goto finish;
}
log_debug("Activating default unit: %s", default_unit);
if ((r = manager_load_unit(m, default_unit, &target)) < 0) {
log_error("Failed to load default target: %s", strerror(-r));
goto finish;
}
printf("→ By units:\n");
manager_dump_units(m, stdout, "\t");
if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &job)) < 0) {
log_error("Failed to start default target: %s", strerror(-r));
goto finish;
}
printf("→ By jobs:\n");
manager_dump_jobs(m, stdout, "\t");
if ((r = manager_loop(m)) < 0) {
log_error("Failed to run mainloop: %s", strerror(-r));
goto finish;
}
retval = 0;
finish:
if (m)
manager_free(m);
log_debug("Exit.");
dbus_shutdown();
return retval;
}
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