mirror of
https://github.com/systemd/systemd-stable.git
synced 2024-12-23 17:34:00 +03:00
7d6b27238f
The only difference is that functions are not individually listed by name, but that seems completely pointless, since all functions that are documented are always exported, so the generic text tells the user all she or he needs to know.
94 lines
2.7 KiB
XML
94 lines
2.7 KiB
XML
<?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+
|
|
|
|
This file is part of systemd.
|
|
|
|
Copyright 2016 Jan Synáček
|
|
-->
|
|
|
|
<refentry id="sd_journal_has_runtime_files" xmlns:xi="http://www.w3.org/2001/XInclude">
|
|
|
|
<refentryinfo>
|
|
<title>sd_journal_has_runtime_files</title>
|
|
<productname>systemd</productname>
|
|
|
|
<authorgroup>
|
|
<author>
|
|
<contrib>Developer</contrib>
|
|
<firstname>Jan</firstname>
|
|
<surname>Synáček</surname>
|
|
<email>jan.synacek@gmail.com</email>
|
|
</author>
|
|
</authorgroup>
|
|
</refentryinfo>
|
|
|
|
<refmeta>
|
|
<refentrytitle>sd_journal_has_runtime_files</refentrytitle>
|
|
<manvolnum>3</manvolnum>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>sd_journal_has_runtime_files</refname>
|
|
<refname>sd_journal_has_persistent_files</refname>
|
|
<refpurpose>Query availability of runtime or persistent journal files.</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
<funcsynopsis>
|
|
<funcsynopsisinfo>#include <systemd/sd-journal.h></funcsynopsisinfo>
|
|
|
|
<funcprototype>
|
|
<funcdef>int <function>sd_journal_has_runtime_files</function></funcdef>
|
|
<paramdef>sd_journal *<parameter>j</parameter></paramdef>
|
|
</funcprototype>
|
|
|
|
<funcprototype>
|
|
<funcdef>int <function>sd_journal_has_persistent_files</function></funcdef>
|
|
<paramdef>sd_journal *<parameter>j</parameter></paramdef>
|
|
</funcprototype>
|
|
|
|
</funcsynopsis>
|
|
</refsynopsisdiv>
|
|
|
|
<refsect1>
|
|
<title>Description</title>
|
|
|
|
<para><function>sd_journal_has_runtime_files()</function> returns a positive value
|
|
if runtime journal files (present in /run/systemd/journal/) have been found.
|
|
Otherwise returns 0.</para>
|
|
|
|
<para><function>sd_journal_has_persistent_files()</function> returns a positive value
|
|
if persistent journal files (present in /var/log/journal/) have been found.
|
|
Otherwise returns 0.</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Return value</title>
|
|
<para>Both <function>sd_journal_has_runtime_files()</function>
|
|
and <function>sd_journal_has_persistent_files()</function> return -EINVAL
|
|
if their argument is NULL.
|
|
</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Notes</title>
|
|
|
|
<para>All functions listed here are thread-agnostic and only a single thread may operate
|
|
on a given <structname>sd_journal</structname> object.</para>
|
|
|
|
<xi:include href="libsystemd-pkgconfig.xml" xpointer="pkgconfig-text"/>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>See Also</title>
|
|
<para>
|
|
<citerefentry><refentrytitle>sd-journal</refentrytitle><manvolnum>3</manvolnum></citerefentry>
|
|
</para>
|
|
</refsect1>
|
|
|
|
</refentry>
|