Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/src/net/writev_unix.go b/src/net/writev_unix.go
new file mode 100644
index 0000000..3b0325b
--- /dev/null
+++ b/src/net/writev_unix.go
@@ -0,0 +1,29 @@
+// Copyright 2016 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.
+
+//go:build unix
+
+package net
+
+import (
+	"runtime"
+	"syscall"
+)
+
+func (c *conn) writeBuffers(v *Buffers) (int64, error) {
+	if !c.ok() {
+		return 0, syscall.EINVAL
+	}
+	n, err := c.fd.writeBuffers(v)
+	if err != nil {
+		return n, &OpError{Op: "writev", Net: c.fd.net, Source: c.fd.laddr, Addr: c.fd.raddr, Err: err}
+	}
+	return n, nil
+}
+
+func (fd *netFD) writeBuffers(v *Buffers) (n int64, err error) {
+	n, err = fd.pfd.Writev((*[][]byte)(v))
+	runtime.KeepAlive(fd)
+	return n, wrapSyscallError("writev", err)
+}