X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fuser-sessions.c;fp=src%2Fuser-sessions.c;h=dc4ee0fb4ac402a7c3332777b864f994812e4799;hb=e92787416c691c3f34f47349e5eae3fa68eae856;hp=0000000000000000000000000000000000000000;hpb=83d8b7c1798ac66212ed34bc823df86515df9867;p=elogind.git
diff --git a/src/user-sessions.c b/src/user-sessions.c
new file mode 100644
index 000000000..dc4ee0fb4
--- /dev/null
+++ b/src/user-sessions.c
@@ -0,0 +1,74 @@
+/*-*- 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 .
+***/
+
+#include
+#include
+#include
+
+#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;
+}