chiark / gitweb /
man: don't advertise sd-daemon as embeddable anymore
[elogind.git] / man / sd_booted.xml
index 23caf5bf1ac3728bc8e04837e7a5a10c48fad57d..f699cefb14b2dc7d99fe3cfedf9d73516d266c56 100644 (file)
@@ -44,7 +44,7 @@
 
         <refnamediv>
                 <refname>sd_booted</refname>
-                <refpurpose>Test whether the system is running the systemd init system.</refpurpose>
+                <refpurpose>Test whether the system is running the systemd init system</refpurpose>
         </refnamediv>
 
         <refsynopsisdiv>
         <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>
+                <para>These APIs are implemented as a shared library,
+                which can be compiled and linked to with the
+                <constant>libsystemd</constant> <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+                file.</para>
 
                 <para>Internally, this function checks whether the
-                <filename>/sys/fs/cgroup/systemd</filename> virtual file
-                system is mounted, by comparing the st_dev value of
-                the <function>stat()</function> data of
-                <filename>/sys/fs/cgroup</filename> and
-                <filename>/sys/fs/cgroup/systemd</filename>.</para>
-
-                <para>For details about the algorithm check the
-                liberally licensed reference implementation sources:
-                <ulink url="http://cgit.freedesktop.org/systemd/systemd/plain/src/sd-daemon.c"/>
-                resp. <ulink
-                url="http://cgit.freedesktop.org/systemd/systemd/plain/src/systemd/sd-daemon.h"/></para>
-
-                <para><function>sd_booted()</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 shared library, which can
-                be compiled and linked to with the
-                <literal>libsystemd-daemon</literal>
-                <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>
+                directory <filename>/run/systemd/system/</filename>
+                exists. A simple check like this can also be
+                implemented trivially in shell or any other
+                language.</para>
+
         </refsect1>
 
         <refsect1>