notification.</para>
<para>If the <parameter>unset_environment</parameter>
- parameter is non-zero <function>sd_notify()</function>
+ parameter is non-zero, <function>sd_notify()</function>
will unset the <varname>$NOTIFY_SOCKET</varname>
environment variable before returning (regardless
whether the function call itself succeeded or
errno-style error code. If
<varname>$NOTIFY_SOCKET</varname> was not set and
hence no status data could be sent, 0 is returned. If
- the status was sent these functions return with a
+ the status was sent, these functions return with a
positive return value. In order to support both, init
systems that implement this scheme and those which
- don't, it is generally recommended to ignore the return
+ do not, it is generally recommended to ignore the return
value of this call.</para>
</refsect1>
<para>Internally, these functions send a single
datagram with the state string as payload to the
- AF_UNIX socket referenced in the
+ <constant>AF_UNIX</constant> socket referenced in the
<varname>$NOTIFY_SOCKET</varname> environment
variable. If the first character of
- <varname>$NOTIFY_SOCKET</varname> is @ the string is
+ <varname>$NOTIFY_SOCKET</varname> is <literal>@</literal>, the string is
understood as Linux abstract namespace socket. The
datagram is accompanied by the process credentials of
the sending daemon, using SCM_CREDENTIALS.</para>
<filename>sd-daemon.h</filename> files. These
interfaces are available as shared library, which can
be compiled and linked to with the
- <literal>libsystemd-daemon</literal>
- <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ <constant>libsystemd-daemon</constant> <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
file. Alternatively, applications consuming these APIs
may copy the implementation into their source tree. For
more details about the reference implementation see
<para>If the reference implementation is used as
drop-in files and -DDISABLE_SYSTEMD is set during
- compilation these functions will always return 0 and
+ compilation, these functions will always return 0 and
otherwise become a NOP.</para>
</refsect1>
<refsect1>
<title>Environment</title>
- <variablelist>
+ <variablelist class='environment-variables'>
<varlistentry>
<term><varname>$NOTIFY_SOCKET</varname></term>