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Diffstat (limited to 'man/sd_booted.xml')
| -rw-r--r-- | man/sd_booted.xml | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/man/sd_booted.xml b/man/sd_booted.xml deleted file mode 100644 index 34f2cbfbc8..0000000000 --- a/man/sd_booted.xml +++ /dev/null @@ -1,128 +0,0 @@ -<?xml version='1.0'?> <!--*-nxml-*--> -<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" - "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> - -<!-- - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. ---> - -<refentry id="sd_booted"> - - <refentryinfo> - <title>sd_booted</title> - <productname>systemd</productname> - - <authorgroup> - <author> - <contrib>Developer</contrib> - <firstname>Lennart</firstname> - <surname>Poettering</surname> - <email>lennart@poettering.net</email> - </author> - </authorgroup> - </refentryinfo> - - <refmeta> - <refentrytitle>sd_booted</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_booted</refname> - <refpurpose>Test whether the system is running the systemd init system</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-daemon.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_booted</function></funcdef> - <paramdef>void</paramdef> - </funcprototype> - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - <para><function>sd_booted()</function> checks whether - the system was booted up using the systemd init system.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>On failure, this call returns a negative - errno-style error code. If the system was booted up - with systemd as init system, this call returns a - positive return value, zero otherwise.</para> - </refsect1> - - <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>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/libsystemd-daemon/sd-daemon.c"/> - and <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> - </refsect1> - - <refsect1> - <title>See Also</title> - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>3</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |