diff options
Diffstat (limited to 'man/sd_id128_get_machine.xml')
| -rw-r--r-- | man/sd_id128_get_machine.xml | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/man/sd_id128_get_machine.xml b/man/sd_id128_get_machine.xml deleted file mode 100644 index 039c1dd64c..0000000000 --- a/man/sd_id128_get_machine.xml +++ /dev/null @@ -1,138 +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 2012 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_id128_get_machine"> - - <refentryinfo> - <title>sd_id128_get_machine</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_id128_get_machine</refentrytitle> - <manvolnum>3</manvolnum> - </refmeta> - - <refnamediv> - <refname>sd_id128_get_machine</refname> - <refname>sd_id128_get_boot</refname> - <refpurpose>Retrieve 128 bit IDs</refpurpose> - </refnamediv> - - <refsynopsisdiv> - <funcsynopsis> - <funcsynopsisinfo>#include <systemd/sd-id128.h></funcsynopsisinfo> - - <funcprototype> - <funcdef>int <function>sd_id128_get_machine</function></funcdef> - <paramdef>sd_id128_t* <parameter>ret</parameter></paramdef> - </funcprototype> - - <funcprototype> - <funcdef>int <function>sd_id128_get_boot</function></funcdef> - <paramdef>sd_id128_t* <parameter>ret</parameter></paramdef> - </funcprototype> - - </funcsynopsis> - </refsynopsisdiv> - - <refsect1> - <title>Description</title> - - <para><function>sd_id128_get_machine()</function> - returns the machine ID of the executing host. This - reads and parses the - <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry> - file. This function caches the machine ID internally - to make retrieving the machine ID a cheap - operation.</para> - - <para><function>sd_id128_get_boot()</function> returns - the boot ID of the executing kernel. This reads and - parses the - <filename>/proc/sys/kernel/random/boot_id</filename> - file exposed by the kernel. It is randomly generated - early at boot and is unique for every running kernel - instance. See - <citerefentry><refentrytitle>random</refentrytitle><manvolnum>4</manvolnum></citerefentry> - for more information. This function also internally - caches the returned ID to make this call a cheap - operation.</para> - - <para>Note that - <function>sd_id128_get_boot()</function> always returns - a UUID v4 compatible - ID. <function>sd_id128_get_machine()</function> will - also return a UUID v4 compatible ID on new - installations, but might not on older. It is possible - to convert the machine ID into an UUID v4 compatible - one. For more information see - <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> - - <para>For more information about the - <literal>sd_id128_t</literal> type see - <citerefentry><refentrytitle>sd-id128</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para> - </refsect1> - - <refsect1> - <title>Return Value</title> - - <para>The two calls return 0 on success (in which - case <parameter>ret</parameter> is filled in), or a - negative errno-style error code.</para> - </refsect1> - - <refsect1> - <title>Notes</title> - - <para>The <function>sd_id128_get_machine()</function> - and <function>sd_id128_get_boot()</function> - interfaces are available as shared library, which can - be compiled and linked to with the - <literal>libsystemd-id128</literal> - <citerefentry><refentrytitle>pkg-config</refentrytitle><manvolnum>1</manvolnum></citerefentry> - file.</para> - </refsect1> - - <refsect1> - <title>See Also</title> - - <para> - <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd-id128</refentrytitle><manvolnum>3</manvolnum></citerefentry>, - <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>, - <citerefentry><refentrytitle>random</refentrytitle><manvolnum>4</manvolnum></citerefentry>, - <citerefentry><refentrytitle>sd_id128_randomize</refentrytitle><manvolnum>3</manvolnum></citerefentry> - </para> - </refsect1> - -</refentry> |