From 5f74169e8e03e64a15499866c6a6de9f38d36f2d Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sat, 9 Apr 2022 11:02:33 +0200
Subject: daemon: Support systemd-style socket activation.

* nix/nix-daemon/guix-daemon.cc (SD_LISTEN_FDS_START): New macro.
(systemd_activation_sockets): New function.
(main): Use it.  Remove obsolete 'printMsg' call.
* doc/guix.texi (Invoking guix-daemon): Document socket activation.
---
 doc/guix.texi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'doc')

diff --git a/doc/guix.texi b/doc/guix.texi
index 94998f170f..b7005f0ef1 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -1554,7 +1554,11 @@ is normally run as @code{root} like this:
 # guix-daemon --build-users-group=guixbuild
 @end example
 
-@noindent
+@cindex socket activation, for @command{guix-daemon}
+This daemon can also be started following the systemd ``socket
+activation'' protocol (@pxref{Service De- and Constructors,
+@code{make-systemd-constructor},, shepherd, The GNU Shepherd Manual}).
+
 For details on how to set it up, @pxref{Setting Up the Daemon}.
 
 @cindex chroot
-- 
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