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diff --git a/src/core/busname.h b/src/core/busname.h
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+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 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/>.
+***/
+
+typedef struct BusName BusName;
+
+#include "unit.h"
+
+typedef enum BusNameState {
+ BUSNAME_DEAD,
+ BUSNAME_LISTENING,
+ BUSNAME_RUNNING,
+ BUSNAME_FAILED,
+ _BUSNAME_STATE_MAX,
+ _BUSNAME_STATE_INVALID = -1
+} BusNameState;
+
+typedef enum BusNameResult {
+ BUSNAME_SUCCESS,
+ BUSNAME_FAILURE_RESOURCES,
+ BUSNAME_FAILURE_SERVICE_FAILED_PERMANENT,
+ _BUSNAME_RESULT_MAX,
+ _BUSNAME_RESULT_INVALID = -1
+} BusNameResult;
+
+struct BusName {
+ Unit meta;
+
+ char *name;
+ int starter_fd;
+
+ UnitRef service;
+
+ BusNameState state, deserialized_state;
+ BusNameResult result;
+
+ sd_event_source *event_source;
+};
+
+extern const UnitVTable busname_vtable;
+
+const char* busname_state_to_string(BusNameState i) _const_;
+BusNameState busname_state_from_string(const char *s) _pure_;
+
+const char* busname_result_to_string(BusNameResult i) _const_;
+BusNameResult busname_result_from_string(const char *s) _pure_;