From 9dcd43b14927fe6f9182a252213dbf182d9d8e01 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 30 Apr 2020 11:59:30 +0200
Subject: notify: beef up --pid= logic

Prompted by the discussions on #15547.
---
 man/systemd-notify.xml | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

(limited to 'man/systemd-notify.xml')

diff --git a/man/systemd-notify.xml b/man/systemd-notify.xml
index 89060680f5..4560074505 100644
--- a/man/systemd-notify.xml
+++ b/man/systemd-notify.xml
@@ -84,12 +84,13 @@
       <varlistentry>
         <term><option>--pid=</option></term>
 
-        <listitem><para>Inform the init system about the main PID of
-        the daemon. Takes a PID as argument. If the argument is
-        omitted, the PID of the process that invoked
-        <command>systemd-notify</command> is used. This is equivalent
-        to <command>systemd-notify MAINPID=$PID</command>. For details
-        about the semantics of this option see
+        <listitem><para>Inform the service manager about the main PID of the daemon. Takes a PID as
+        argument. If the argument is specified as <literal>auto</literal> or omitted, the PID of the process
+        that invoked <command>systemd-notify</command> is used, except if that's the service manager. If the
+        argument is specified as <literal>self</literal>, the PID of the <command>systemd-notify</command>
+        command itself is used, and if <literal>parent</literal> is specified the calling process' PID is
+        used — even if it is the service manager. This is equivalent to <command>systemd-notify
+        MAINPID=$PID</command>. For details about the semantics of this option see
         <citerefentry><refentrytitle>sd_notify</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para></listitem>
       </varlistentry>
 
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