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42 lines
2.1 KiB
42 lines
2.1 KiB
2 days ago
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From 6715fc716fc843c3877160a8220af935c159e789 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Wed, 14 Dec 2022 14:29:25 +0900
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Subject: [PATCH] man: update documents for sd_id128_get_invocation()
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(cherry picked from commit f0d8358c245b4d0012d8db52dbf42bdebbe1b2bc)
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Related: RHEL-27512
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---
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man/sd_id128_get_machine.xml | 18 ++++++++++++++----
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1 file changed, 14 insertions(+), 4 deletions(-)
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diff --git a/man/sd_id128_get_machine.xml b/man/sd_id128_get_machine.xml
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index 075caffb2b..cdab87ab63 100644
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--- a/man/sd_id128_get_machine.xml
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+++ b/man/sd_id128_get_machine.xml
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@@ -94,10 +94,20 @@
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has properties similar to the machine ID during that time.</para>
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<para><function>sd_id128_get_invocation()</function> returns the invocation ID of the currently executed
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- service. In its current implementation, this reads and parses the <varname>$INVOCATION_ID</varname> environment
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- variable that the service manager sets when activating a service, see
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- <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details. The
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- ID is cached internally. In future a different mechanism to determine the invocation ID may be added.</para>
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+ service. In its current implementation, this tries to read and parse the following:
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+ <itemizedlist>
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+ <listitem>
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+ <para>The <varname>$INVOCATION_ID</varname> environment variable that the service manager sets when
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+ activating a service.</para>
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+ </listitem>
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+ <listitem>
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+ <para>An entry in the kernel keyring that the system service manager sets when activating a service.
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+ </para>
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+ </listitem>
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+ </itemizedlist>
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+ See <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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+ for details. The ID is cached internally. In future a different mechanism to determine the invocation ID
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+ may be added.</para>
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<para>Note that <function>sd_id128_get_machine_app_specific()</function>,
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<function>sd_id128_get_boot()</function>, <function>sd_id128_get_boot_app_specific()</function>, and
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