int
main (int argc, char *argv[])
{
char ** args;
int ret;
DBusServer * server;
struct stat sb;
struct rlimit newrlimit;
nih_main_init (argv[0]);
nih_option_set_synopsis (_("Control group manager"));
nih_option_set_help (_("The cgroup manager daemon"));
args = nih_option_parser (NULL, argc, argv, options, FALSE);
if (! args)
exit (1);
if (!setup_cgroup_dir()) {
nih_fatal("Failed to set up cgmanager socket");
exit(1);
}
/* Setup the DBus server */
server = nih_dbus_server (CGMANAGER_DBUS_PATH, client_connect,
client_disconnect);
nih_assert (server != NULL);
if (!setup_base_run_path()) {
nih_fatal("Error setting up base cgroup path");
return -1;
}
if (collect_subsystems(extra_cgroup_mounts) < 0)
{
nih_fatal("failed to collect cgroup subsystems");
exit(1);
}
if (!create_agent_symlinks()) {
nih_fatal("Error creating release agent symlinks");
exit(1);
}
if (setup_cgroup_mounts() < 0) {
nih_fatal ("Failed to set up cgroup mounts");
exit(1);
}
if (!move_self_to_root()) {
nih_fatal ("Failed to move self to root cgroup");
exit(1);
}
if (stat("/proc/self/ns/pid", &sb) == 0) {
mypidns = read_pid_ns_link(getpid());
setns_pid_supported = true;
}
if (stat("/proc/self/ns/user", &sb) == 0) {
myuserns = read_user_ns_link(getpid());
setns_user_supported = true;
}
newrlimit.rlim_cur = 10000;
newrlimit.rlim_max = 10000;
if (setrlimit(RLIMIT_NOFILE, &newrlimit) < 0)
nih_warn("Failed to increase open file limit: %s",
strerror(errno));
/* Become daemon */
if (daemonise) {
if (nih_main_daemonise () < 0) {
NihError *err;
err = nih_error_get ();
nih_fatal ("%s: %s", _("Unable to become daemon"),
err->message);
nih_free (err);
exit (1);
}
}
if (sigstop)
raise(SIGSTOP);
ret = nih_main_loop ();
/* Destroy any PID file we may have created */
if (daemonise) {
nih_main_unlink_pidfile();
}
return ret;
}
int
main (int argc, char *argv[])
{
char ** args;
int ret;
DBusServer * server;
struct stat sb;
nih_main_init (argv[0]);
nih_option_set_synopsis (_("Control group proxy"));
nih_option_set_help (_("The cgroup manager proxy"));
args = nih_option_parser (NULL, argc, argv, options, FALSE);
if (! args)
exit (1);
if (geteuid() != 0) {
nih_error("%s: Cgmanager proxy must be run as root", __func__);
exit(1);
}
/*
* If we are called with checkmaster, then only check whether
* cgmanager is running. This is used by the init script to
* determine whether to run cgmanager or cgproxy
*/
if (checkmaster) {
if (master_running())
exit(0);
exit(1);
}
if (setup_proxy() < 0) {
nih_fatal ("Failed to set up as proxy");
exit(1);
}
/* Setup the DBus server */
server = nih_dbus_server ( CGMANAGER_DBUS_PATH, client_connect,
client_disconnect);
nih_assert (server != NULL);
if (stat("/proc/self/ns/pid", &sb) == 0) {
mypidns = read_pid_ns_link(getpid());
setns_pid_supported = true;
}
if (stat("/proc/self/ns/user", &sb) == 0) {
myuserns = read_user_ns_link(getpid());
setns_user_supported = true;
}
/* Become daemon */
if (daemonise) {
if (nih_main_daemonise () < 0) {
NihError *err;
err = nih_error_get ();
nih_fatal ("%s: %s", _("Unable to become daemon"),
err->message);
nih_free (err);
exit (1);
}
}
/*
* We have to send a message to force fd passing over the dbus
* link to be negotiated. Else when we try to attach an fd we'll
* fail.
*/
if (!send_dummy_msg(server_conn)) {
nih_fatal("Failed to send opening ping to cgmanager");
exit(1);
}
if (sigstop)
raise(SIGSTOP);
ret = nih_main_loop ();
return ret;
}
