blob: c7f64b5aab844d2990c6078875af7dc59db59d39 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
<?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">
<!--
SPDX-License-Identifier: LGPL-2.1+
-->
<refentry id="sd_booted"
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>sd_booted</title>
<productname>systemd</productname>
</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>
<xi:include href="libelogind-pkgconfig.xml" xpointer="pkgconfig-text"/>
<para>Internally, this function checks whether the 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>
<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>
|
