68 lines
2.3 KiB
C
68 lines
2.3 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdlib.h>
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#include "sd-bus.h"
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#include "bus-util.h"
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#include "log.h"
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int main(int argc, char *argv[]) {
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_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
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int r;
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if (argc != 2) {
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log_error("Incorrect number of arguments.");
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return EXIT_FAILURE;
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}
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log_set_target(LOG_TARGET_AUTO);
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log_parse_environment();
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log_open();
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/* We send this event to the private D-Bus socket and then the
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* system instance will forward this to the system bus. We do
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* this to avoid an activation loop when we start dbus when we
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* are called when the dbus service is shut down. */
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r = bus_connect_system_systemd(&bus);
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if (r < 0) {
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/* If we couldn't connect we assume this was triggered
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* while systemd got restarted/transitioned from
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* initrd to the system, so let's ignore this */
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log_debug_errno(r, "Failed to get D-Bus connection: %m");
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return EXIT_FAILURE;
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}
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r = sd_bus_emit_signal(bus,
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"/org/freedesktop/systemd1/agent",
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"org.freedesktop.systemd1.Agent",
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"Released",
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"s", argv[1]);
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if (r < 0) {
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log_debug_errno(r, "Failed to send signal message on private connection: %m");
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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