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Diffstat (limited to 'man/systemd-time-wait-sync.service.xml')
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diff --git a/man/systemd-time-wait-sync.service.xml b/man/systemd-time-wait-sync.service.xml new file mode 100644 index 0000000..cd26ae4 --- /dev/null +++ b/man/systemd-time-wait-sync.service.xml @@ -0,0 +1,70 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- SPDX-License-Identifier: LGPL-2.1-or-later --> + +<refentry id="systemd-time-wait-sync.service" conditional='ENABLE_TIMESYNCD'> + + <refentryinfo> + <title>systemd-time-wait-sync.service</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-time-wait-sync.service</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-time-wait-sync.service</refname> + <refname>systemd-time-wait-sync</refname> + <refpurpose>Wait until kernel time is synchronized</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>systemd-time-wait-sync.service</filename></para> + <para><filename>/usr/lib/systemd/systemd-time-wait-sync</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><filename>systemd-time-wait-sync</filename> is a system service that delays the start of units that + are ordered after <filename>time-sync.target</filename> (see + <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry> for + details) until the system time has been synchronized with an accurate remote reference time source by + <filename>systemd-timesyncd.service</filename>.</para> + + <para><filename>systemd-timesyncd.service</filename> notifies <filename>systemd-time-wait-sync</filename> + about successful synchronization. <filename>systemd-time-wait-sync</filename> also tries to detect when + the kernel marks the system clock as synchronized, but this detection is not reliable and is intended + only as a fallback for compatibility with alternative NTP services that can be used to synchronize time + (e.g., ntpd, chronyd).</para> + </refsect1> + + <refsect1> + <title>Files</title> + + <variablelist> + <varlistentry> + <term><filename>/run/systemd/timesync/synchronized</filename></term> + + <listitem> + <para>The presence of this file indicates to this service that the system clock has been synchronized.</para> + </listitem> + + </varlistentry> + </variablelist> + + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + </para> + </refsect1> + +</refentry> |