From cb8df17ff8e59192ae2ab864006eea120d408a7a Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <jak@debian.org>
Date: Mon, 20 Oct 2025 19:41:57 +0200
Subject: Add some comments and tests around Keep-Fd ordering

---
 apt-pkg/contrib/fileutl.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'apt-pkg/contrib')

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 50b983924..7f785f21c 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -899,6 +899,7 @@ pid_t ExecFork()
       return ExecFork(KeepFDs);
 }
 
+// Keep in mind that KeepFDs must be ordered for close_range() to work.
 pid_t ExecFork(std::set<int> KeepFDs)
 {
    // Fork off the process
-- 
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