From 6a6079ae3702c75e959d6f9a469a446bfd84d84c Mon Sep 17 00:00:00 2001
From: Brian Quinlan <brian@sweetapp.com>
Date: Thu, 17 Oct 2024 08:31:02 -0700
Subject: [PATCH] Fix a bug where toNSInputStream would leak if the stream is
 closed before being fully read (#1663)

---
 pkgs/objective_c/lib/src/ns_input_stream.dart | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/objective_c/lib/src/ns_input_stream.dart b/pkgs/objective_c/lib/src/ns_input_stream.dart
index cc0e3ad5c..e8945c253 100644
--- a/pkgs/objective_c/lib/src/ns_input_stream.dart
+++ b/pkgs/objective_c/lib/src/ns_input_stream.dart
@@ -43,8 +43,12 @@ extension NSInputStreamStreamExtension on Stream<List<int>> {
     port.listen((count) {
       // -1 indicates that the `NSInputStream` is closed. All other values
       // indicate that the `NSInputStream` needs more data.
+      //
+      // If [DartInputStreamAdapter.setError_] or
+      // [DartInputStreamAdapter.setDone] is called then the close message (-1)
+      // will not be sent when the input stream is closed.
       if (count == -1) {
-        dataSubscription.cancel();
+        port.close();
       } else {
         dataSubscription.resume();
       }