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0001 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
0002 /* dbus-shared.h  Stuff used by both dbus/dbus.h low-level and C/C++ binding APIs
0003  *
0004  * Copyright (C) 2004 Red Hat, Inc.
0005  *
0006  * SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
0007  *
0008  * Licensed under the Academic Free License version 2.1
0009  *
0010  * This program is free software; you can redistribute it and/or modify
0011  * it under the terms of the GNU General Public License as published by
0012  * the Free Software Foundation; either version 2 of the License, or
0013  * (at your option) any later version.
0014  *
0015  * This program is distributed in the hope that it will be useful,
0016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0018  * GNU General Public License for more details.
0019  *
0020  * You should have received a copy of the GNU General Public License
0021  * along with this program; if not, write to the Free Software
0022  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
0023  *
0024  */
0025 
0026 #ifndef DBUS_SHARED_H
0027 #define DBUS_SHARED_H
0028 
0029 /* Don't include anything in here from anywhere else. It's
0030  * intended for use by any random library.
0031  */
0032 
0033 #ifdef  __cplusplus
0034 extern "C" {
0035 #if 0
0036 } /* avoids confusing emacs indentation */
0037 #endif
0038 #endif
0039 
0040 /* Normally docs are in .c files, but there isn't a .c file for this. */
0041 /**
0042  * @defgroup DBusShared Shared constants 
0043  * @ingroup  DBus
0044  *
0045  * @brief Shared header included by both libdbus and C/C++ bindings such as the GLib bindings.
0046  *
0047  * Usually a C/C++ binding such as the GLib or Qt binding won't want to include dbus.h in its
0048  * public headers. However, a few constants and macros may be useful to include; those are
0049  * found here and in dbus-protocol.h
0050  *
0051  * @{
0052  */
0053 
0054 
0055 /**
0056  * Well-known bus types. See dbus_bus_get().
0057  */
0058 typedef enum
0059 {
0060   DBUS_BUS_SESSION,    /**< The login session bus */
0061   DBUS_BUS_SYSTEM,     /**< The systemwide bus */
0062   DBUS_BUS_STARTER     /**< The bus that started us, if any */
0063 } DBusBusType;
0064 
0065 /**
0066  * Results that a message handler can return.
0067  */
0068 typedef enum
0069 {
0070   DBUS_HANDLER_RESULT_HANDLED,         /**< Message has had its effect - no need to run more handlers. */ 
0071   DBUS_HANDLER_RESULT_NOT_YET_HANDLED, /**< Message has not had any effect - see if other handlers want it. */
0072   DBUS_HANDLER_RESULT_NEED_MEMORY      /**< Need more memory in order to return #DBUS_HANDLER_RESULT_HANDLED or #DBUS_HANDLER_RESULT_NOT_YET_HANDLED. Please try again later with more memory. */
0073 } DBusHandlerResult;
0074 
0075 /* Bus names */
0076 
0077 /** The bus name used to talk to the bus itself. */
0078 #define DBUS_SERVICE_DBUS      "org.freedesktop.DBus"
0079 
0080 /* Paths */
0081 /** The object path used to talk to the bus itself. */
0082 #define DBUS_PATH_DBUS  "/org/freedesktop/DBus"
0083 /** The object path used in local/in-process-generated messages. */
0084 #define DBUS_PATH_LOCAL "/org/freedesktop/DBus/Local"
0085 
0086 /* Interfaces, these #define don't do much other than
0087  * catch typos at compile time
0088  */
0089 /** The interface exported by the object with #DBUS_SERVICE_DBUS and #DBUS_PATH_DBUS */
0090 #define DBUS_INTERFACE_DBUS           "org.freedesktop.DBus"
0091 /** The monitoring interface exported by the dbus-daemon */
0092 #define DBUS_INTERFACE_MONITORING     "org.freedesktop.DBus.Monitoring"
0093 
0094 /** The verbose interface exported by the dbus-daemon */
0095 #define DBUS_INTERFACE_VERBOSE        "org.freedesktop.DBus.Verbose"
0096 /** The interface supported by introspectable objects */
0097 #define DBUS_INTERFACE_INTROSPECTABLE "org.freedesktop.DBus.Introspectable"
0098 /** The interface supported by objects with properties */
0099 #define DBUS_INTERFACE_PROPERTIES     "org.freedesktop.DBus.Properties"
0100 /** The interface supported by most dbus peers */
0101 #define DBUS_INTERFACE_PEER           "org.freedesktop.DBus.Peer"
0102 
0103 /** This is a special interface whose methods can only be invoked
0104  * by the local implementation (messages from remote apps aren't
0105  * allowed to specify this interface).
0106  */
0107 #define DBUS_INTERFACE_LOCAL "org.freedesktop.DBus.Local"
0108 
0109 /* Owner flags */
0110 #define DBUS_NAME_FLAG_ALLOW_REPLACEMENT 0x1 /**< Allow another service to become the primary owner if requested */
0111 #define DBUS_NAME_FLAG_REPLACE_EXISTING  0x2 /**< Request to replace the current primary owner */
0112 #define DBUS_NAME_FLAG_DO_NOT_QUEUE      0x4 /**< If we can not become the primary owner do not place us in the queue */
0113 
0114 /* Replies to request for a name */
0115 #define DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER  1 /**< Service has become the primary owner of the requested name */
0116 #define DBUS_REQUEST_NAME_REPLY_IN_QUEUE       2 /**< Service could not become the primary owner and has been placed in the queue */
0117 #define DBUS_REQUEST_NAME_REPLY_EXISTS         3 /**< Service is already in the queue */
0118 #define DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER  4 /**< Service is already the primary owner */
0119 
0120 /* Replies to releasing a name */
0121 #define DBUS_RELEASE_NAME_REPLY_RELEASED        1 /**< Service was released from the given name */
0122 #define DBUS_RELEASE_NAME_REPLY_NON_EXISTENT    2 /**< The given name does not exist on the bus */
0123 #define DBUS_RELEASE_NAME_REPLY_NOT_OWNER       3 /**< Service is not an owner of the given name */
0124 
0125 /* Replies to service starts */
0126 #define DBUS_START_REPLY_SUCCESS         1 /**< Service was auto started */
0127 #define DBUS_START_REPLY_ALREADY_RUNNING 2 /**< Service was already running */
0128 
0129 /** @} */
0130 
0131 #ifdef __cplusplus
0132 #if 0
0133 { /* avoids confusing emacs indentation */
0134 #endif
0135 }
0136 #endif
0137 
0138 #endif /* DBUS_SHARED_H */