File 4489-ssh-alive-small-fixes.patch of Package erlang

From ce7728f97d41a8c816279ebe0243e5d62253088e Mon Sep 17 00:00:00 2001
From: Alexandre Rodrigues <alexandrejbr@live.com>
Date: Fri, 24 Oct 2025 16:24:45 +0200
Subject: [PATCH 19/20] ssh: alive small fixes

---
 lib/ssh/doc/guides/hardening.md | 5 +++++
 lib/ssh/src/ssh.hrl             | 9 +++++----
 lib/ssh/src/ssh_options.erl     | 4 ++--
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/lib/ssh/doc/src/hardening.xml b/lib/ssh/doc/src/hardening.xml
index 6af69745b1..4122819469 100644
--- a/lib/ssh/doc/src/hardening.xml
+++ b/lib/ssh/doc/src/hardening.xml
@@ -110,6 +110,12 @@
 	  The timeout is started when the authentication phase is completed.
 	  It defaults to infinity.
 	</item>
+	<tag><seetype marker="ssh#alive_common_option">alive</seetype></tag>
+	<item>
+	  Sets the interval and the maximum number of alive messages that may be sent without
+	  receiving any message back. Alive messages are typically used to detect that a connection
+	  became unresponsive.
+	</item>
       </taglist>
       <p>A figure clarifies when a timeout is started and when it triggers:
       </p>
diff --git a/lib/ssh/src/ssh_options.erl b/lib/ssh/src/ssh_options.erl
index 902ab0fd7c..d0d73a2f04 100644
--- a/lib/ssh/src/ssh_options.erl
+++ b/lib/ssh/src/ssh_options.erl
@@ -862,9 +862,9 @@ default(common) ->
 
       alive =>
           #{default => #{count_max => 3, interval => infinity},
-            chk => fun(#{count_max := Count, interval := IntervalSeconds}) ->
+            chk => fun(#{count_max := Count, interval := Interval}) ->
                            check_pos_integer(Count) andalso
-                               check_timeout(IntervalSeconds)
+                               check_timeout(Interval)
                    end,
             class => user_option
            },
-- 
2.51.0