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authorRuss Cox <rsc@golang.org>2014-09-08 00:08:51 -0400
committerRuss Cox <rsc@golang.org>2014-09-08 00:08:51 -0400
commitc007ce824d9a4fccb148f9204e04c23ed2984b71 (patch)
tree7dcac257114ef5c446be5b7b68c27dea230b7c09 /src/net/tcpsockopt_windows.go
parent220a6de47eced55956eb8af8d643d4f5b67fd634 (diff)
downloadgo-git-c007ce824d9a4fccb148f9204e04c23ed2984b71.tar.gz
build: move package sources from src/pkg to src
Preparation was in CL 134570043. This CL contains only the effect of 'hg mv src/pkg/* src'. For more about the move, see golang.org/s/go14nopkg.
Diffstat (limited to 'src/net/tcpsockopt_windows.go')
-rw-r--r--src/net/tcpsockopt_windows.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/net/tcpsockopt_windows.go b/src/net/tcpsockopt_windows.go
new file mode 100644
index 0000000000..8ef1407977
--- /dev/null
+++ b/src/net/tcpsockopt_windows.go
@@ -0,0 +1,34 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// TCP socket options for windows
+
+package net
+
+import (
+ "os"
+ "syscall"
+ "time"
+ "unsafe"
+)
+
+func setKeepAlivePeriod(fd *netFD, d time.Duration) error {
+ if err := fd.incref(); err != nil {
+ return err
+ }
+ defer fd.decref()
+
+ // Windows expects milliseconds so round to next highest millisecond.
+ d += (time.Millisecond - time.Nanosecond)
+ millis := uint32(d / time.Millisecond)
+ ka := syscall.TCPKeepalive{
+ OnOff: 1,
+ Time: millis,
+ Interval: millis,
+ }
+ ret := uint32(0)
+ size := uint32(unsafe.Sizeof(ka))
+ err := syscall.WSAIoctl(fd.sysfd, syscall.SIO_KEEPALIVE_VALS, (*byte)(unsafe.Pointer(&ka)), size, nil, 0, &ret, nil, 0)
+ return os.NewSyscallError("WSAIoctl", err)
+}