From 561c1529be6220633c0948afc5009caf054526c6 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 8 Nov 2023 14:11:33 +0100
Subject: [PATCH] execute: add comment explaining what stdio_as_fds does

---
 src/core/execute.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/core/execute.h b/src/core/execute.h
index e15e19aae65..5a6927aa027 100644
--- a/src/core/execute.h
+++ b/src/core/execute.h
@@ -224,7 +224,11 @@ struct ExecContext {
         ExecInput std_input;
         ExecOutput std_output;
         ExecOutput std_error;
+
+        /* At least one of stdin/stdout/stderr was initialized from an fd passed in. This boolean survives
+         * the fds being closed. This only makes sense for transient units. */
         bool stdio_as_fds;
+
         char *stdio_fdname[3];
         char *stdio_file[3];