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https://github.com/systemd/systemd-stable.git
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286 lines
14 KiB
XML
286 lines
14 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="sd-bus-errors">
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<refentryinfo>
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<title>sd-bus-errors</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>sd-bus-errors</refentrytitle>
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<manvolnum>3</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>sd-bus-errors</refname>
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<refname>SD_BUS_ERROR_FAILED</refname>
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<refname>SD_BUS_ERROR_NO_MEMORY</refname>
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<refname>SD_BUS_ERROR_SERVICE_UNKNOWN</refname>
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<refname>SD_BUS_ERROR_NAME_HAS_NO_OWNER</refname>
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<refname>SD_BUS_ERROR_NO_REPLY</refname>
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<refname>SD_BUS_ERROR_IO_ERROR</refname>
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<refname>SD_BUS_ERROR_BAD_ADDRESS</refname>
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<refname>SD_BUS_ERROR_NOT_SUPPORTED</refname>
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<refname>SD_BUS_ERROR_LIMITS_EXCEEDED</refname>
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<refname>SD_BUS_ERROR_ACCESS_DENIED</refname>
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<refname>SD_BUS_ERROR_AUTH_FAILED</refname>
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<refname>SD_BUS_ERROR_NO_SERVER</refname>
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<refname>SD_BUS_ERROR_TIMEOUT</refname>
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<refname>SD_BUS_ERROR_NO_NETWORK</refname>
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<refname>SD_BUS_ERROR_ADDRESS_IN_USE</refname>
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<refname>SD_BUS_ERROR_DISCONNECTED</refname>
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<refname>SD_BUS_ERROR_INVALID_ARGS</refname>
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<refname>SD_BUS_ERROR_FILE_NOT_FOUND</refname>
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<refname>SD_BUS_ERROR_FILE_EXISTS</refname>
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<refname>SD_BUS_ERROR_UNKNOWN_METHOD</refname>
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<refname>SD_BUS_ERROR_UNKNOWN_OBJECT</refname>
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<refname>SD_BUS_ERROR_UNKNOWN_INTERFACE</refname>
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<refname>SD_BUS_ERROR_UNKNOWN_PROPERTY</refname>
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<refname>SD_BUS_ERROR_PROPERTY_READ_ONLY</refname>
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<refname>SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN</refname>
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<refname>SD_BUS_ERROR_INVALID_SIGNATURE</refname>
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<refname>SD_BUS_ERROR_INCONSISTENT_MESSAGE</refname>
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<refname>SD_BUS_ERROR_MATCH_RULE_NOT_FOUND</refname>
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<refname>SD_BUS_ERROR_MATCH_RULE_INVALID</refname>
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<refname>SD_BUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED</refname>
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<refpurpose>Standard D-Bus error names</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<funcsynopsis>
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<funcsynopsisinfo>#include <systemd/sd-bus.h></funcsynopsisinfo>
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<funcsynopsisinfo>#define SD_BUS_ERROR_FAILED "org.freedesktop.DBus.Error.Failed"
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#define SD_BUS_ERROR_NO_MEMORY "org.freedesktop.DBus.Error.NoMemory"
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#define SD_BUS_ERROR_SERVICE_UNKNOWN "org.freedesktop.DBus.Error.ServiceUnknown"
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#define SD_BUS_ERROR_NAME_HAS_NO_OWNER "org.freedesktop.DBus.Error.NameHasNoOwner"
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#define SD_BUS_ERROR_NO_REPLY "org.freedesktop.DBus.Error.NoReply"
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#define SD_BUS_ERROR_IO_ERROR "org.freedesktop.DBus.Error.IOError"
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#define SD_BUS_ERROR_BAD_ADDRESS "org.freedesktop.DBus.Error.BadAddress"
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#define SD_BUS_ERROR_NOT_SUPPORTED "org.freedesktop.DBus.Error.NotSupported"
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#define SD_BUS_ERROR_LIMITS_EXCEEDED "org.freedesktop.DBus.Error.LimitsExceeded"
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#define SD_BUS_ERROR_ACCESS_DENIED "org.freedesktop.DBus.Error.AccessDenied"
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#define SD_BUS_ERROR_AUTH_FAILED "org.freedesktop.DBus.Error.AuthFailed"
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#define SD_BUS_ERROR_NO_SERVER "org.freedesktop.DBus.Error.NoServer"
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#define SD_BUS_ERROR_TIMEOUT "org.freedesktop.DBus.Error.Timeout"
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#define SD_BUS_ERROR_NO_NETWORK "org.freedesktop.DBus.Error.NoNetwork"
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#define SD_BUS_ERROR_ADDRESS_IN_USE "org.freedesktop.DBus.Error.AddressInUse"
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#define SD_BUS_ERROR_DISCONNECTED "org.freedesktop.DBus.Error.Disconnected"
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#define SD_BUS_ERROR_INVALID_ARGS "org.freedesktop.DBus.Error.InvalidArgs"
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#define SD_BUS_ERROR_FILE_NOT_FOUND "org.freedesktop.DBus.Error.FileNotFound"
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#define SD_BUS_ERROR_FILE_EXISTS "org.freedesktop.DBus.Error.FileExists"
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#define SD_BUS_ERROR_UNKNOWN_METHOD "org.freedesktop.DBus.Error.UnknownMethod"
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#define SD_BUS_ERROR_UNKNOWN_OBJECT "org.freedesktop.DBus.Error.UnknownObject"
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#define SD_BUS_ERROR_UNKNOWN_INTERFACE "org.freedesktop.DBus.Error.UnknownInterface"
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#define SD_BUS_ERROR_UNKNOWN_PROPERTY "org.freedesktop.DBus.Error.UnknownProperty"
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#define SD_BUS_ERROR_PROPERTY_READ_ONLY "org.freedesktop.DBus.Error.PropertyReadOnly"
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#define SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN "org.freedesktop.DBus.Error.UnixProcessIdUnknown"
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#define SD_BUS_ERROR_INVALID_SIGNATURE "org.freedesktop.DBus.Error.InvalidSignature"
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#define SD_BUS_ERROR_INCONSISTENT_MESSAGE "org.freedesktop.DBus.Error.InconsistentMessage"
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#define SD_BUS_ERROR_MATCH_RULE_NOT_FOUND "org.freedesktop.DBus.Error.MatchRuleNotFound"
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#define SD_BUS_ERROR_MATCH_RULE_INVALID "org.freedesktop.DBus.Error.MatchRuleInvalid"
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#define SD_BUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED \
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"org.freedesktop.DBus.Error.InteractiveAuthorizationRequired"</funcsynopsisinfo>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para>In addition to the error names user programs define, D-Bus
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knows a number of generic, standardized error names that are
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listed below.</para>
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<para>In addition to this list, in sd-bus, the special error
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namespace <literal>System.Error.</literal> is used to map
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arbitrary Linux system errors (as defined by <citerefentry
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project='man-pages'><refentrytitle>errno</refentrytitle><manvolnum>3</manvolnum></citerefentry>)
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to D-Bus errors and back. For example, the error
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<constant>EUCLEAN</constant> is mapped to
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<literal>System.Error.EUCLEAN</literal> and back.</para>
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<variablelist>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_FAILED</varname></term>
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<listitem><para>A generic error indication. See the error
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message for further details. This error name should be
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avoided, in favor of a more expressive error
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name.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_NO_MEMORY</varname></term>
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<listitem><para>A memory allocation failed, and the requested
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operation could not be completed.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_SERVICE_UNKNOWN</varname></term>
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<listitem><para>The contacted bus service is unknown and
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cannot be activated.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_NAME_HAS_NO_OWNER</varname></term>
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<listitem><para>The specified bus service name currently has
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no owner.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_NO_REPLY</varname></term>
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<listitem><para>A message did not receive a reply. This error
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is usually generated after a timeout.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_IO_ERROR</varname></term>
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<listitem><para>Generic input/output error, for example when
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accessing a socket or other I/O context.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_BAD_ADDRESS</varname></term>
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<listitem><para>The specified D-Bus bus address string is
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malformed.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_NOT_SUPPORTED</varname></term>
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<listitem><para>The requested operation is not supported on
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the local system.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_LIMITS_EXCEEDED</varname></term>
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<listitem><para>Some limited resource has been
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exhausted.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_ACCESS_DENIED</varname></term>
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<listitem><para>Access to a resource has been denied due to security restrictions.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_AUTH_FAILED</varname></term>
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<listitem><para>Authentication did not complete successfully.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_NO_SERVER</varname></term>
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<listitem><para>Unable to connect to the specified server.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_TIMEOUT</varname></term>
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<listitem><para>An operation timed out. Note that method calls
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which timeout generate a
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<varname>SD_BUS_ERROR_NO_REPLY</varname>.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_NO_NETWORK</varname></term>
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<listitem><para>No network available to execute requested network operation on.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_ADDRESS_IN_USE</varname></term>
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<listitem><para>The specified network address is already being listened on.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_DISCONNECTED</varname></term>
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<listitem><para>The connection has been terminated.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_INVALID_ARGS</varname></term>
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<listitem><para>One or more invalid arguments have been passed.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_FILE_NOT_FOUND</varname></term>
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<listitem><para>The requested file could not be found.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_FILE_EXISTS</varname></term>
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<listitem><para>The requested file already exists.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_UNKNOWN_METHOD</varname></term>
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<listitem><para>The requested method does not exist in the selected interface.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_UNKNOWN_OBJECT</varname></term>
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<listitem><para>The requested object does not exist in the selected service.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_UNKNOWN_INTERFACE</varname></term>
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<listitem><para>The requested interface does not exist on the selected object.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_UNKNOWN_PROPERTY</varname></term>
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<listitem><para>The requested property does not exist in the selected interface.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_PROPERTY_READ_ONLY</varname></term>
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<listitem><para>A write operation was requested on a read-only property.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_UNIX_PROCESS_ID_UNKNOWN</varname></term>
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<listitem><para>The requested PID is not known.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_INVALID_SIGNATURE</varname></term>
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<listitem><para>The specified message signature is not
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valid.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_INCONSISTENT_MESSAGE</varname></term>
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<listitem><para>The passed message does not validate
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correctly.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_MATCH_RULE_NOT_FOUND</varname></term>
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<listitem><para>The specified match rule does not exist.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_MATCH_RULE_INVALID</varname></term>
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<listitem><para>The specified match rule is invalid.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><varname>SD_BUS_ERROR_INTERACTIVE_AUTHORIZATION_REQUIRED</varname></term>
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<listitem><para>Access to the requested operation is not
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permitted. However, it might be available after interactive
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authentication. This is usually returned by method calls
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supporting a framework for additional interactive
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authorization, when interactive authorization was not enabled
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with the
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<citerefentry><refentrytitle>sd_bus_message_set_allow_interactive_authorization</refentrytitle><manvolnum>3</manvolnum></citerefentry>
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for the method call message.</para></listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Notes</title>
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<para>The various error definitions described here are available
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as a shared library, which can be compiled and linked to with the
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<constant>libsystemd</constant> <citerefentry
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project='die-net'><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
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file.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>sd-bus</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>sd_bus_error</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>sd_bus_message_set_allow_interactive_authorization</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry project='man-pages'><refentrytitle>errno</refentrytitle><manvolnum>3</manvolnum></citerefentry>,
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<citerefentry project='die-net'><refentrytitle>strerror</refentrytitle><manvolnum>3</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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