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2a8df4488e
Now that we don't automatically pass all inheritable handles to new processes, we can make pipes returned by os.Pipe() inheritable, just like they are on Unix. This then allows them to be passed through the SysProcAttr.AdditionalInheritedHandles parameter simply. Updates #44011. Fixes #21085. Change-Id: I8eae329fbc74f9dc7962136fa9aae8fb66879751 Reviewed-on: https://go-review.googlesource.com/c/go/+/288299 Trust: Jason A. Donenfeld <Jason@zx2c4.com> Trust: Alex Brainman <alex.brainman@gmail.com> Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
43 lines
928 B
Go
43 lines
928 B
Go
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build windows
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// +build windows
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package exec_test
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import (
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"io"
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"os"
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"strconv"
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"syscall"
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"testing"
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)
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func TestPipePassing(t *testing.T) {
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r, w, err := os.Pipe()
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if err != nil {
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t.Error(err)
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}
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const marker = "arrakis, dune, desert planet"
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childProc := helperCommand(t, "pipehandle", strconv.FormatUint(uint64(w.Fd()), 16), marker)
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childProc.SysProcAttr = &syscall.SysProcAttr{AdditionalInheritedHandles: []syscall.Handle{syscall.Handle(w.Fd())}}
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err = childProc.Start()
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if err != nil {
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t.Error(err)
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}
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w.Close()
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response, err := io.ReadAll(r)
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if err != nil {
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t.Error(err)
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}
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r.Close()
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if string(response) != marker {
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t.Errorf("got %q; want %q", string(response), marker)
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}
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err = childProc.Wait()
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if err != nil {
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t.Error(err)
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}
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}
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