src/os/exec/exec_windows.go

// Copyright 2017 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.

package exec

import (
	"io/fs"
	"syscall"
)

func init() {
	skipStdinCopyError = func(err error) bool {
		// Ignore ERROR_BROKEN_PIPE and ERROR_NO_DATA errors copying
		// to stdin if the program completed successfully otherwise.
		// See Issue 20445.
		const _ERROR_NO_DATA = syscall.Errno(0xe8)
		pe, ok := err.(*fs.PathError)
		return ok &&
			pe.Op == "write" && pe.Path == "|1" &&
			(pe.Err == syscall.ERROR_BROKEN_PIPE || pe.Err == _ERROR_NO_DATA)
	}
}