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-rw-r--r--src/libstd/process.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstd/process.rs b/src/libstd/process.rs
index 33451a470d0..1869ad3ed70 100644
--- a/src/libstd/process.rs
+++ b/src/libstd/process.rs
@@ -157,7 +157,8 @@ impl fmt::Debug for Child {
 /// This struct is used in the [`stdin`] field on [`Child`].
 ///
 /// When an instance of `ChildStdin` is [dropped], the `ChildStdin`'s underlying
-/// file handle will be closed.
+/// file handle will be closed. If the child process was blocked on input prior
+/// to being dropped, it will become unblocked after dropping.
 ///
 /// [`Child`]: struct.Child.html
 /// [`stdin`]: struct.Child.html#structfield.stdin