Commit e9278741 authored by Lennart Poettering's avatar Lennart Poettering
Browse files

user-sessions: add minimal utility to kill user sessions that shall be called...

user-sessions: add minimal utility to kill user sessions that shall be called before destroying services on shutdown
parent 83d8b7c1
systemd-user-sessions
systemd-shutdown
systemd-tmpfiles
systemd-readahead-collect
......
......@@ -107,7 +107,8 @@ rootlibexec_PROGRAMS = \
systemd-reply-password \
systemd-readahead-collect \
systemd-readahead-replay \
systemd-tmpfiles
systemd-tmpfiles \
systemd-user-sessions
noinst_PROGRAMS = \
test-engine \
......@@ -671,6 +672,16 @@ systemd_tmpfiles_SOURCES = \
systemd_tmpfiles_CFLAGS = \
$(AM_CFLAGS)
systemd_user_sessions_LDADD = \
libsystemd-basic.la
systemd_user_sessions_SOURCES = \
src/user-sessions.c \
src/cgroup-util.c
systemd_user_sessions_CFLAGS = \
$(AM_CFLAGS)
systemd_modules_load_LDADD = \
libsystemd-basic.la
......
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
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 <string.h>
#include <unistd.h>
#include <errno.h>
#include "log.h"
#include "util.h"
#include "cgroup-util.h"
int main(int argc, char*argv[]) {
int ret = EXIT_FAILURE;
if (argc != 2) {
log_error("This program requires one argument.");
return EXIT_FAILURE;
}
log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
log_parse_environment();
log_open();
if (streq(argv[1], "start")) {
if (unlink("/var/run/nologin") < 0 ||
unlink("/etc/nologin") < 0) {
if (errno != ENOENT) {
log_error("Failed to remove nologin files: %m");
goto finish;
}
}
} else if (streq(argv[1], "stop")) {
int r, q;
if ((r = write_one_line_file("/var/run/nologin", "System is going down.")) < 0)
log_error("Failed to create /var/run/nologin: %s", strerror(-r));
if ((q = cg_kill_recursive_and_wait(SYSTEMD_CGROUP_CONTROLLER, "/user", true)) < 0)
log_error("Failed to kill sessions: %s", strerror(-q));
if (r < 0 || q < 0)
goto finish;
} else {
log_error("Unknown verb %s.", argv[1]);
goto finish;
}
ret = EXIT_SUCCESS;
finish:
return ret;
}
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