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dbus/dbus/dbus-errors.h
Havoc Pennington 29560adcc7 2003-03-12 Havoc Pennington <hp@redhat.com> 
Mega-patch that gets the message bus daemon initially handling
	out-of-memory. Work still needed. Also lots of random
	moving stuff to DBusError instead of ResultCode.

	* dbus/dbus-list.c (_dbus_list_length_is_one): new function

	* dbus/dbus-connection.c
	(dbus_connection_send_with_reply_and_block): use DBusError

	* dbus/dbus-bus.c: adapt to API changes, make it use DBusError not
	DBusResultCode

	* dbus/dbus-connection.c (dbus_connection_send): drop the result
	code here, as the only failure possible is OOM.

	* bus/connection.c (bus_connection_disconnect):
	rename bus_connection_disconnected as it's a notification only

	* bus/driver.c (bus_driver_handle_acquire_service): don't free
	"name" on get_args failure, should be done by get_args;
	don't disconnect client for bad args, just return an error.
	(bus_driver_handle_service_exists): ditto

	* bus/services.c (bus_services_list): NULL-terminate returned array

	* bus/driver.c (bus_driver_send_service_lost)
	(bus_driver_send_service_acquired): send messages from driver to a
	specific client to the client's unique name, not to the broadcast
	service.

	* dbus/dbus-message.c (decode_header_data): reject messages that
	contain no name field
	(_dbus_message_get_client_serial): rename to
	dbus_message_get_serial and make public
	(_dbus_message_set_serial): rename from set_client_serial
	(_dbus_message_set_reply_serial): make public
	(_dbus_message_get_reply_serial): make public

	* bus/connection.c (bus_connection_foreach): allow stopping
	iteration by returning FALSE from foreach function.

	* dbus/dbus-connection.c (dbus_connection_send_preallocated)
	(dbus_connection_free_preallocated_send)
	(dbus_connection_preallocate_send): new API for sending a message
	without possibility of malloc failure.
	(dbus_connection_send_message): rename to just
	dbus_connection_send (and same for whole function family)

	* dbus/dbus-errors.c (dbus_error_free): make this reinit the error

	* dbus/dbus-sysdeps.c (_dbus_exit): new function

	* bus/activation.c: handle/return errors

	* dbus/dbus-errors.h: add more DBUS_ERROR #define

	* dbus/dbus-sysdeps.c (_dbus_directory_open) (_dbus_file_get_contents)
	(_dbus_directory_get_next_file): use DBusError instead of DBusResultCode
	(_dbus_result_from_errno): move to this file
2003-03-13 00:56:43 +00:00

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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-errors.h Error reporting
*
* Copyright (C) 2002 Red Hat Inc.
* Copyright (C) 2003 CodeFactory AB
*
* Licensed under the Academic Free License version 1.2
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
#error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
#endif
#ifndef DBUS_ERROR_H
#define DBUS_ERROR_H
#include <dbus/dbus-macros.h>
#include <dbus/dbus-types.h>
DBUS_BEGIN_DECLS;
typedef struct DBusError DBusError;
struct DBusError
{
const char *name; /**< error name */
const char *message; /**< error message */
unsigned int dummy1 : 1; /**< placeholder */
unsigned int dummy2 : 1; /**< placeholder */
unsigned int dummy3 : 1; /**< placeholder */
unsigned int dummy4 : 1; /**< placeholder */
unsigned int dummy5 : 1; /**< placeholder */
void *padding1; /**< placeholder */
};
#define DBUS_ERROR_FAILED "org.freedesktop.DBus.Error.Failed"
#define DBUS_ERROR_ACTIVATE_SERVICE_NOT_FOUND "org.freedesktop.DBus.Activate.ServiceNotFound"
#define DBUS_ERROR_SPAWN_FORK_FAILED "org.freedesktop.DBus.Error.Spawn.ForkFailed"
#define DBUS_ERROR_SPAWN_FAILED "org.freedesktop.DBus.Error.Spawn.Failed"
#define DBUS_ERROR_NO_MEMORY "org.freedesktop.DBus.Error.NoMemory"
#define DBUS_ERROR_SERVICE_DOES_NOT_EXIST "org.freedesktop.DBus.Error.ServiceDoesNotExist"
#define DBUS_ERROR_NO_REPLY "org.freedesktop.DBus.Error.NoReply"
#define DBUS_ERROR_IO_ERROR "org.freedesktop.DBus.Error.IOError"
#define DBUS_ERROR_BAD_ADDRESS "org.freedesktop.DBus.Error.BadAddress"
#define DBUS_ERROR_NOT_SUPPORTED "org.freedesktop.DBus.Error.NotSupported"
#define DBUS_ERROR_LIMITS_EXCEEDED "org.freedesktop.DBus.Error.LimitsExceeded"
#define DBUS_ERROR_ACCESS_DENIED "org.freedesktop.DBus.Error.AccessDenied"
#define DBUS_ERROR_AUTH_FAILED "org.freedesktop.DBus.Error.AuthFailed"
#define DBUS_ERROR_NO_SERVER "org.freedesktop.DBus.Error.NoServer"
#define DBUS_ERROR_TIMEOUT "org.freedesktop.DBus.Error.Timeout"
#define DBUS_ERROR_NO_NETWORK "org.freedesktop.DBus.Error.NoNetwork"
#define DBUS_ERROR_ADDRESS_IN_USE "org.freedesktop.DBus.Error.AddressInUse"
#define DBUS_ERROR_DISCONNECTED "org.freedesktop.DBus.Error.Disconnected"
#define DBUS_ERROR_INVALID_ARGS "org.freedesktop.DBus.Error.InvalidArgs"
#define DBUS_ERROR_FILE_NOT_FOUND "org.freedesktop.DBus.Error.FileNotFound"
#define DBUS_ERROR_UNKNOWN_MESSAGE "org.freedesktop.DBus.Error.UnknownMessage"
typedef enum
{
DBUS_RESULT_SUCCESS, /**< Operation was successful. */
DBUS_RESULT_FAILED, /**< Operation failed for unspecified reason. */
DBUS_RESULT_NO_MEMORY, /**< Operation failed for lack of memory. */
DBUS_RESULT_IO_ERROR, /**< Operation failed because of an IO error,
* typically the other end closed the
* connection.
*/
DBUS_RESULT_BAD_ADDRESS, /**< Address was bad, could not be parsed. */
DBUS_RESULT_NOT_SUPPORTED, /**< Feature is not supported. */
DBUS_RESULT_LIMITS_EXCEEDED, /**< Some kernel resource limit exceeded. */
DBUS_RESULT_ACCESS_DENIED, /**< Some sort of permissions/security problem. */
DBUS_RESULT_AUTH_FAILED, /**< Could not authenticate. */
DBUS_RESULT_NO_SERVER, /**< No one listening on the other end. */
DBUS_RESULT_TIMEOUT, /**< Timed out trying to connect. */
DBUS_RESULT_NO_NETWORK, /**< Can't find the network */
DBUS_RESULT_ADDRESS_IN_USE, /**< Someone's already using the address */
DBUS_RESULT_DISCONNECTED, /**< No more connection. */
DBUS_RESULT_INVALID_ARGS, /**< One or more invalid arguments encountered. */
DBUS_RESULT_NO_REPLY, /**< Did not get a reply message. */
DBUS_RESULT_FILE_NOT_FOUND /**< File doesn't exist */
} DBusResultCode;
void dbus_error_init (DBusError *error);
void dbus_error_free (DBusError *error);
void dbus_set_error (DBusError *error,
const char *name,
const char *message,
...);
void dbus_set_error_const (DBusError *error,
const char *name,
const char *message);
void dbus_move_error (DBusError *src,
DBusError *dest);
dbus_bool_t dbus_error_has_name (const DBusError *error,
const char *name);
dbus_bool_t dbus_error_is_set (const DBusError *error);
void dbus_set_result (DBusResultCode *code_address,
DBusResultCode code);
const char* dbus_result_to_string (DBusResultCode code);
DBUS_END_DECLS;
#endif /* DBUS_ERROR_H */
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