From: Mikio Hara <mikioh.mikioh@gmail.com>
Date: Fri, 19 May 2017 09:49:28 +0000 (+0900)
Subject: internal/poll: implement RawControl of FD on Windows
X-Git-Tag: go1.9beta1~206
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=fd25fe60fac4014dfe09c364c8c73ff2c95251e5;p=gostls13.git

internal/poll: implement RawControl of FD on Windows

This is a followup to https://go-review.googlesource.com/37038.

Updates #19435.

Change-Id: If3d56bca0e8816d1a169f5cf97f27b20695a9955
Reviewed-on: https://go-review.googlesource.com/43692
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---

diff --git a/src/internal/poll/fd_windows.go b/src/internal/poll/fd_windows.go
index 5c55c948c2..9f40886d08 100644
--- a/src/internal/poll/fd_windows.go
+++ b/src/internal/poll/fd_windows.go
@@ -837,7 +837,12 @@ func (fd *FD) GetFileInformationByHandle(data *syscall.ByHandleFileInformation)
 // RawControl invokes the user-defined function f for a non-IO
 // operation.
 func (fd *FD) RawControl(f func(uintptr)) error {
-	return errors.New("not implemented")
+	if err := fd.incref(); err != nil {
+		return err
+	}
+	defer fd.decref()
+	f(uintptr(fd.Sysfd))
+	return nil
 }
 
 // RawRead invokes the user-defined function f for a read operation.