replaced with a
<constant>NUL</constant> character
before binding. For details, see
- <citerefentry><refentrytitle>unix</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
+ <citerefentry project='man-pages'><refentrytitle>unix</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para>
<para>If the address string is a
single number, it is read as port
</varlistentry>
<varlistentry>
- <term><varname>DirectoryMode=</varname></term>
- <listitem><para>If listening on a file
- system socket or FIFO, the parent
- directories are automatically created
- if needed. This option specifies the
- file system access mode used when
- creating these directories. Takes an
- access mode in octal
- notation. Defaults to
- 0755.</para></listitem>
+ <term><varname>SocketUser=</varname></term>
+ <term><varname>SocketGroup=</varname></term>
+
+ <listitem><para>Takes a UNIX
+ user/group name. When specified,
+ all AF_UNIX sockets and FIFO nodes in
+ the file system are owned by the
+ specified user and group. If unset
+ (the default), the nodes are owned by
+ the root user/group (if run in system
+ context) or the invoking user/group
+ (if run in user context). If only a
+ user is specified but no group, then
+ the group is derived from the user's
+ default group.</para></listitem>
</varlistentry>
<varlistentry>
0666.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>DirectoryMode=</varname></term>
+ <listitem><para>If listening on a file
+ system socket or FIFO, the parent
+ directories are automatically created
+ if needed. This option specifies the
+ file system access mode used when
+ creating these directories. Takes an
+ access mode in octal
+ notation. Defaults to
+ 0755.</para></listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>Accept=</varname></term>
<listitem><para>Takes a boolean
<term><varname>ReceiveBuffer=</varname></term>
<term><varname>SendBuffer=</varname></term>
<listitem><para>Takes an integer
- argument controlling the receive
- or send buffer sizes of this
- socket, respectively. This controls the SO_RCVBUF
- and SO_SNDBUF socket options (see
+ argument controlling the receive or
+ send buffer sizes of this socket,
+ respectively. This controls the
+ SO_RCVBUF and SO_SNDBUF socket options
+ (see
<citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
- for details.).</para></listitem>
+ for details.). The usual suffixes K,
+ M, G are supported and are understood
+ to the base of 1024.</para></listitem>
</varlistentry>
<varlistentry>
<varlistentry>
<term><varname>PipeSize=</varname></term>
- <listitem><para>Takes an integer
- value. Controls the pipe buffer size
+ <listitem><para>Takes a size in
+ bytes. Controls the pipe buffer size
of FIFOs configured in this socket
unit. See
<citerefentry><refentrytitle>fcntl</refentrytitle><manvolnum>2</manvolnum></citerefentry>
- for details.</para></listitem>
+ for details. The usual suffixes K, M,
+ G are supported and are understood to
+ the base of 1024.</para></listitem>
</varlistentry>
<varlistentry>
option.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>RemoveOnStop=</varname></term>
+ <listitem><para>Takes a boolean
+ argument. If enabled, any file nodes
+ created by this socket unit are
+ removed when it is stopped. This
+ applies to AF_UNIX sockets in the file
+ system, POSIX message queues, FIFOs,
+ as well as any symlinks to
+ them configured with
+ <varname>Symlinks=</varname>. Normally,
+ it should not be necessary to use this
+ option, and is not recommended as
+ services might continue to run after
+ the socket unit has been terminated
+ and it should still be possible to
+ communicate with them via their file
+ system node. Defaults to
+ off.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>Symlinks=</varname></term>
+ <listitem><para>Takes a list of file
+ system paths. The specified paths will
+ be created as symlinks to the AF_UNIX
+ socket path or FIFO path of this
+ socket unit. If this setting is used,
+ only one AF_UNIX socket in the file
+ system or one FIFO may be configured
+ for the socket unit. Use this option
+ to manage one or more symlinked alias
+ names for a socket, binding their
+ lifecycle together. Defaults to the
+ empty list.</para></listitem>
+ </varlistentry>
+
</variablelist>
<para>Check