/*-*- 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 <stdlib.h> #include "sd-bus.h" #include "log.h" #include "bus-util.h" int main(int argc, char *argv[]) { _cleanup_bus_close_unref_ sd_bus *bus = NULL; int r; if (argc != 2) { log_error("Incorrect number of arguments."); return EXIT_FAILURE; } 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. */ r = bus_open_system_systemd(&bus); if (r < 0) { /* If we couldn't connect we assume this was triggered * while systemd got restarted/transitioned from * initrd to the system, so let's ignore this */ log_debug_errno(r, "Failed to get D-Bus connection: %m"); return EXIT_FAILURE; } r = sd_bus_emit_signal(bus, "/org/freedesktop/systemd1/agent", "org.freedesktop.systemd1.Agent", "Released", "s", argv[1]); if (r < 0) { log_debug_errno(r, "Failed to send signal message on private connection: %m"); return EXIT_FAILURE; } return EXIT_SUCCESS; }