summaryrefslogtreecommitdiff
path: root/src/cgroups-agent
diff options
context:
space:
mode:
authorKay Sievers <kay@vrfy.org>2012-04-12 17:15:18 +0200
committerKay Sievers <kay@vrfy.org>2012-04-12 17:54:42 +0200
commitdce818b390a857a11f7dd634684500675cf79833 (patch)
treee71acb0f2e50f5a6b77c8af90af9a973c8cea6cb /src/cgroups-agent
parent4fc5568804ef50d9cc857eee86012d388620edd3 (diff)
move all tools to subdirs
Diffstat (limited to 'src/cgroups-agent')
-rw-r--r--src/cgroups-agent/cgroups-agent.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/cgroups-agent/cgroups-agent.c b/src/cgroups-agent/cgroups-agent.c
new file mode 100644
index 000000000..7a6173e2a
--- /dev/null
+++ b/src/cgroups-agent/cgroups-agent.c
@@ -0,0 +1,101 @@
+/*-*- 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 Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <dbus/dbus.h>
+
+#include <stdlib.h>
+
+#include "log.h"
+#include "dbus-common.h"
+
+int main(int argc, char *argv[]) {
+ DBusError error;
+ DBusConnection *bus = NULL;
+ DBusMessage *m = NULL;
+ int r = EXIT_FAILURE;
+
+ dbus_error_init(&error);
+
+ if (argc != 2) {
+ log_error("Incorrect number of arguments.");
+ goto finish;
+ }
+
+ log_set_target(LOG_TARGET_AUTO);
+ log_parse_environment();
+ log_open();
+
+ /* We send this event to the private D-Bus socket and then the
+ * system instance will forward this to the system bus. We do
+ * this to avoid an activation loop when we start dbus when we
+ * are called when the dbus service is shut down. */
+
+ if (!(bus = dbus_connection_open_private("unix:path=/run/systemd/private", &error))) {
+#ifndef LEGACY
+ dbus_error_free(&error);
+
+ /* Retry with the pre v21 socket name, to ease upgrades */
+ if (!(bus = dbus_connection_open_private("unix:abstract=/org/freedesktop/systemd1/private", &error))) {
+#endif
+ log_error("Failed to get D-Bus connection: %s", bus_error_message(&error));
+ goto finish;
+ }
+#ifndef LEGACY
+ }
+#endif
+
+ if (bus_check_peercred(bus) < 0) {
+ log_error("Bus owner not root.");
+ goto finish;
+ }
+
+ if (!(m = dbus_message_new_signal("/org/freedesktop/systemd1/agent", "org.freedesktop.systemd1.Agent", "Released"))) {
+ log_error("Could not allocate signal message.");
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &argv[1],
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not attach group information to signal message.");
+ goto finish;
+ }
+
+ if (!dbus_connection_send(bus, m, NULL)) {
+ log_error("Failed to send signal message on private connection.");
+ goto finish;
+ }
+
+ r = EXIT_SUCCESS;
+
+finish:
+ if (bus) {
+ dbus_connection_flush(bus);
+ dbus_connection_close(bus);
+ dbus_connection_unref(bus);
+ }
+
+ if (m)
+ dbus_message_unref(m);
+
+ dbus_error_free(&error);
+ return r;
+}