os: add a comment inside RemoveAll

LGTM=r R=r CC=golang-codereviews https://golang.org/cl/149950043

os: add a comment inside RemoveAll
LGTM=r R=r CC=golang-codereviews https://golang.org/cl/149950043
db492b8d · Brad Fitzpatrick · 82ddcc05 · db492b8d
Commit db492b8d authored Sep 23, 2014 by Brad Fitzpatrick
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src/os/path.go src/os/path.go +2 -0

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--- a/src/os/path.go
+++ b/src/os/path.go
@@ -87,6 +87,8 @@ func RemoveAll(path string) error {
 	fd, err := Open(path)
 	if err != nil {
 		if IsNotExist(err) {
+			// Race. It was deleted between the Lstat and Open.
+			// Return nil per RemoveAll's docs.
 			return nil
 		}
 		return err