chiark / gitweb /
bus: parse BusPolicy directive in service files
[elogind.git] / man / sd_listen_fds.xml
index aaabdbf3e84480495fa8c87cdd955a946c242d1b..6999db98049f3ce55907056c46feac06f61fbb0d 100644 (file)
@@ -21,7 +21,8 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 -->
 
-<refentry id="sd_listen_fds">
+<refentry id="sd_listen_fds"
+        xmlns:xi="http://www.w3.org/2001/XInclude">
 
         <refentryinfo>
                 <title>sd_listen_fds</title>
         <refsect1>
                 <title>Notes</title>
 
-                <para>This function is provided by the reference
-                implementation of APIs for new-style daemons and
-                distributed with the systemd package. The algorithm it
-                implements is simple, and can easily be reimplemented
-                in daemons if it is important to support this
-                interface without using the reference
-                implementation.</para>
+                <xi:include href="libsystemd-pkgconfig.xml" xpointer="pkgconfig-text"/>
 
                 <para>Internally, this function checks whether the
                 <varname>$LISTEN_PID</varname> environment variable
                 number of file descriptors starting from
                 SD_LISTEN_FDS_START. Finally, it returns the parsed
                 number.</para>
-
-                <para>For details about the algorithm check the
-                liberally licensed reference implementation sources:
-                <ulink url="http://cgit.freedesktop.org/systemd/systemd/plain/src/libsystemd-daemon/sd-daemon.c"/>
-                and <ulink
-                url="http://cgit.freedesktop.org/systemd/systemd/plain/src/systemd/sd-daemon.h"/></para>
-
-                <para><function>sd_listen_fds()</function> is
-                implemented in the reference implementation's
-                <filename>sd-daemon.c</filename> and
-                <filename>sd-daemon.h</filename> files. These
-                interfaces are available as a shared library, which can
-                be compiled and linked to with the
-                <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
-                <citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>
-
-                <para>If the reference implementation is used as
-                drop-in files and -DDISABLE_SYSTEMD is set during
-                compilation, this function will always return 0 and
-                otherwise become a NOP.</para>
         </refsect1>
 
         <refsect1>