From a6ef99e9f43e70c36dc9744bc87374033b2dedba Mon Sep 17 00:00:00 2001
From: Corey Farwell <coreyf@rwell.org>
Date: Fri, 15 Sep 2017 22:57:12 -0400
Subject: [PATCH] Indicate how ChildStd{in,out,err} FDs are closed.

Fixes https://github.com/rust-lang/rust/issues/41452.
---
 src/libstd/process.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/libstd/process.rs b/src/libstd/process.rs
index a3a7e91dd80..4dba9a4cb11 100644
--- a/src/libstd/process.rs
+++ b/src/libstd/process.rs
@@ -153,8 +153,12 @@ 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.
+///
 /// [`Child`]: struct.Child.html
 /// [`stdin`]: struct.Child.html#structfield.stdin
+/// [dropped]: ../ops/trait.Drop.html
 #[stable(feature = "process", since = "1.0.0")]
 pub struct ChildStdin {
     inner: AnonPipe
@@ -196,8 +200,12 @@ impl fmt::Debug for ChildStdin {
 ///
 /// This struct is used in the [`stdout`] field on [`Child`].
 ///
+/// When an instance of `ChildStdout` is [dropped], the `ChildStdout`'s
+/// underlying file handle will be closed.
+///
 /// [`Child`]: struct.Child.html
 /// [`stdout`]: struct.Child.html#structfield.stdout
+/// [dropped]: ../ops/trait.Drop.html
 #[stable(feature = "process", since = "1.0.0")]
 pub struct ChildStdout {
     inner: AnonPipe
@@ -239,8 +247,12 @@ impl fmt::Debug for ChildStdout {
 ///
 /// This struct is used in the [`stderr`] field on [`Child`].
 ///
+/// When an instance of `ChildStderr` is [dropped], the `ChildStderr`'s
+/// underlying file handle will be closed.
+///
 /// [`Child`]: struct.Child.html
 /// [`stderr`]: struct.Child.html#structfield.stderr
+/// [dropped]: ../ops/trait.Drop.html
 #[stable(feature = "process", since = "1.0.0")]
 pub struct ChildStderr {
     inner: AnonPipe