Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 47 insertions, 0 deletions

diff --git a/src/os/rawconn.go b/src/os/rawconn.go
new file mode 100644
index 0000000..14a495d
--- /dev/null
+++ b/src/os/rawconn.go
@@ -0,0 +1,47 @@
+// Copyright 2018 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 !plan9
+
+package os
+
+import (
+	"runtime"
+)
+
+// rawConn implements syscall.RawConn.
+type rawConn struct {
+	file *File
+}
+
+func (c *rawConn) Control(f func(uintptr)) error {
+	if err := c.file.checkValid("SyscallConn.Control"); err != nil {
+		return err
+	}
+	err := c.file.pfd.RawControl(f)
+	runtime.KeepAlive(c.file)
+	return err
+}
+
+func (c *rawConn) Read(f func(uintptr) bool) error {
+	if err := c.file.checkValid("SyscallConn.Read"); err != nil {
+		return err
+	}
+	err := c.file.pfd.RawRead(f)
+	runtime.KeepAlive(c.file)
+	return err
+}
+
+func (c *rawConn) Write(f func(uintptr) bool) error {
+	if err := c.file.checkValid("SyscallConn.Write"); err != nil {
+		return err
+	}
+	err := c.file.pfd.RawWrite(f)
+	runtime.KeepAlive(c.file)
+	return err
+}
+
+func newRawConn(file *File) (*rawConn, error) {
+	return &rawConn{file: file}, nil
+}