internal/poll: fix error in increfAndClose documentation

Change-Id: I0c387b6286bc18fd00c6ac4e42bdf175cf89ccb1
Reviewed-on: https://go-review.googlesource.com/83155
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/internal/poll/fd_mutex.go b/src/internal/poll/fd_mutex.go
index 76174e5e9cf765ddb80d63dfc869770a650b9cce..2ba7de7da376b81a90c06d61e6ad3a86afb89d13 100644 (file)
--- a/src/internal/poll/fd_mutex.go
+++ b/src/internal/poll/fd_mutex.go
@@ -65,7 +65,7 @@ func (mu *fdMutex) incref() bool {
 }
 
 // increfAndClose sets the state of mu to closed.
-// It reports whether there is no remaining reference.
+// It returns false if the file was already closed.
 func (mu *fdMutex) increfAndClose() bool {
        for {
                old := atomic.LoadUint64(&mu.state)