1 files changed, 22 insertions, 0 deletions
diff --git a/src/os/file_wasip1.go b/src/os/file_wasip1.go
new file mode 100644
index 0000000..c9b05b3
--- /dev/null
+++ b/src/os/file_wasip1.go
@@ -0,0 +1,22 @@
+// Copyright 2023 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 wasip1
+
+package os
+
+import "internal/poll"
+
+// PollFD returns the poll.FD of the file.
+//
+// Other packages in std that also import internal/poll (such as net)
+// can use a type assertion to access this extension method so that
+// they can pass the *poll.FD to functions like poll.Splice.
+//
+// There is an equivalent function in net.rawConn.
+//
+// PollFD is not intended for use outside the standard library.
+func (f *file) PollFD() *poll.FD {
+	return &f.pfd
+}