From ab7bd762091fd901b1818ed83b2d9325d6d3eb0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gustav@sornas.net>
Date: Sun, 14 Mar 2021 13:38:54 +0100
Subject: add comment

---
 src/threads/thread.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/threads')

diff --git a/src/threads/thread.h b/src/threads/thread.h
index 4b33d7d..a3bc814 100644
--- a/src/threads/thread.h
+++ b/src/threads/thread.h
@@ -30,6 +30,7 @@ struct parent_child
   {
     struct list_elem elem; // owned by the parent
 
+    // exit_status is readable by the parent
     struct semaphore exit_sema;
     int exit_status;
 
-- 
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