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-rw-r--r--src/threads/thread.h1
1 files changed, 1 insertions, 0 deletions
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;