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1 | <?xml version='1.0'?> <!--*-nxml-*--> |
2 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" | |
3 | "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> | |
4 | ||
5 | <!-- | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
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11 | under the terms of the GNU Lesser General Public License as published by |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
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13 | (at your option) any later version. |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 18 | Lesser General Public License for more details. |
f9378423 | 19 | |
5430f7f2 | 20 | You should have received a copy of the GNU Lesser General Public License |
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21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
22 | --> | |
23 | ||
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24 | <refentry id="sd_booted" |
25 | xmlns:xi="http://www.w3.org/2001/XInclude"> | |
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26 | |
27 | <refentryinfo> | |
28 | <title>sd_booted</title> | |
29 | <productname>systemd</productname> | |
30 | ||
31 | <authorgroup> | |
32 | <author> | |
33 | <contrib>Developer</contrib> | |
34 | <firstname>Lennart</firstname> | |
35 | <surname>Poettering</surname> | |
36 | <email>lennart@poettering.net</email> | |
37 | </author> | |
38 | </authorgroup> | |
39 | </refentryinfo> | |
40 | ||
41 | <refmeta> | |
42 | <refentrytitle>sd_booted</refentrytitle> | |
43 | <manvolnum>3</manvolnum> | |
44 | </refmeta> | |
45 | ||
46 | <refnamediv> | |
47 | <refname>sd_booted</refname> | |
34511ca7 | 48 | <refpurpose>Test whether the system is running the systemd init system</refpurpose> |
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49 | </refnamediv> |
50 | ||
51 | <refsynopsisdiv> | |
52 | <funcsynopsis> | |
a822cbfa | 53 | <funcsynopsisinfo>#include <systemd/sd-daemon.h></funcsynopsisinfo> |
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54 | |
55 | <funcprototype> | |
56 | <funcdef>int <function>sd_booted</function></funcdef> | |
57 | <paramdef>void</paramdef> | |
58 | </funcprototype> | |
59 | </funcsynopsis> | |
60 | </refsynopsisdiv> | |
61 | ||
62 | <refsect1> | |
63 | <title>Description</title> | |
64 | <para><function>sd_booted()</function> checks whether | |
65 | the system was booted up using the systemd init system.</para> | |
66 | </refsect1> | |
67 | ||
68 | <refsect1> | |
69 | <title>Return Value</title> | |
70 | ||
71 | <para>On failure, this call returns a negative | |
72 | errno-style error code. If the system was booted up | |
af62c704 | 73 | with systemd as init system, this call returns a |
436c44a5 | 74 | positive return value, zero otherwise.</para> |
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75 | </refsect1> |
76 | ||
77 | <refsect1> | |
78 | <title>Notes</title> | |
79 | ||
6a70f3aa | 80 | <xi:include href="libsystemd-pkgconfig.xml" xpointer="pkgconfig-text"/> |
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81 | |
82 | <para>Internally, this function checks whether the | |
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83 | directory <filename>/run/systemd/system/</filename> |
84 | exists. A simple check like this can also be | |
85 | implemented trivially in shell or any other | |
86 | language.</para> | |
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87 | </refsect1> |
88 | ||
89 | <refsect1> | |
90 | <title>See Also</title> | |
91 | <para> | |
160cd5c9 | 92 | <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, |
cb07866b | 93 | <citerefentry><refentrytitle>sd-daemon</refentrytitle><manvolnum>3</manvolnum></citerefentry> |
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94 | </para> |
95 | </refsect1> | |
96 | ||
97 | </refentry> |