<refsect1>
<title>Return Value</title>
- <para> On success, <function>sd_seat_get_active()</function>
- returns 0 or a positive integer. On success,
- <function>sd_seat_get_sessions()</function> returns the number of
- entries in the session identifier array. If the test succeeds,
- <function>sd_seat_can_multi_session</function>,
- <function>sd_seat_can_tty</function> and
- <function>sd_seat_can_graphical</function> return a positive
- integer, if it fails 0. On failure, these calls return a negative
- errno-style error code.</para>
- </refsect1>
+ <para> On success, <function>sd_seat_get_active()</function> returns 0 or a positive integer. On success,
+ <function>sd_seat_get_sessions()</function> returns the number of entries in the session identifier
+ array. If the test succeeds, <function>sd_seat_can_multi_session</function>,
+ <function>sd_seat_can_tty</function> and <function>sd_seat_can_graphical</function> return a positive
+ integer, if it fails 0. On failure, these calls return a negative errno-style error code.</para>
- <refsect1>
- <title>Errors</title>
+ <refsect2>
+ <title>Errors</title>
- <para>Returned errors may indicate the following problems:</para>
+ <para>Returned errors may indicate the following problems:</para>
- <variablelist>
+ <variablelist>
- <varlistentry>
- <term><constant>-ENODATA</constant></term>
+ <varlistentry>
+ <term><constant>-ENODATA</constant></term>
- <listitem><para>The given field is not specified for the described
- seat.</para>
- </listitem>
- </varlistentry>
+ <listitem><para>The given field is not specified for the described seat.</para>
+ </listitem>
+ </varlistentry>
- <varlistentry>
- <term><constant>-ENXIO</constant></term>
+ <varlistentry>
+ <term><constant>-ENXIO</constant></term>
- <listitem><para>The specified seat is unknown.</para>
- </listitem>
- </varlistentry>
+ <listitem><para>The specified seat is unknown.</para>
+ </listitem>
+ </varlistentry>
- <varlistentry>
- <term><constant>-EINVAL</constant></term>
+ <varlistentry>
+ <term><constant>-EINVAL</constant></term>
- <listitem><para>An input parameter was invalid (out of range,
- or NULL, where that is not accepted).</para></listitem>
- </varlistentry>
+ <listitem><para>An input parameter was invalid (out of range, or <constant>NULL</constant>, where
+ that is not accepted).</para></listitem>
+ </varlistentry>
- <varlistentry>
- <term><constant>-ENOMEM</constant></term>
+ <varlistentry>
+ <term><constant>-ENOMEM</constant></term>
- <listitem><para>Memory allocation failed.</para></listitem>
- </varlistentry>
- </variablelist>
+ <listitem><para>Memory allocation failed.</para></listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>
</refsect1>
<xi:include href="libsystemd-pkgconfig.xml" />