cmd := exec.Command(exe, "-test.run=ExampleSetCrashOutput_monitor")
	cmd.Env = append(os.Environ(), monitorVar+"=1")
	cmd.Stderr = os.Stderr
	cmd.Stdout = os.Stderr
	pipe, err := cmd.StdinPipe()
	if err != nil {
		log.Fatalf("StdinPipe: %v", err)
	}
	debug.SetCrashOutput(pipe.(*os.File), debug.CrashOptions{}) // (this conversion is safe)
	if err := cmd.Start(); err != nil {
		log.Fatalf("can't start monitor: %v", err)
	}

	val, _ := indirect(s.evalPipeline(dot, r.Pipe))
	// mark top of stack before any variables in the body are pushed.
	mark := s.mark()
	oneIteration := func(index, elem reflect.Value) {
		if len(r.Pipe.Decl) > 0 {
			if r.Pipe.IsAssign {
				// With two variables, index comes first.
				// With one, we use the element.
				if len(r.Pipe.Decl) > 1 {
					s.setVar(r.Pipe.Decl[0].Ident[0], index)
				} else {

	// so that pass 2 won't stomp on an fd it needs later.
	if pipe < nextfd {
		_, _, err1 = RawSyscall(SYS_DUP3, uintptr(pipe), uintptr(nextfd), O_CLOEXEC)
		if err1 != 0 {
			goto childerror
		}
		pipe = nextfd
		nextfd++
	}
	for i = 0; i < len(fd); i++ {
		if fd[i] >= 0 && fd[i] < i {
			if nextfd == pipe { // don't stomp on pipe
				nextfd++
			}

	// Race condition is because of io.PipeWriter implementation. i.e consider the following
	// sequent of operations:
	// 1) pipe.Write()
	// 2) pipe.Close()
	// Now pipe.Close() can return before the data is read on the other end of the pipe and written to the disk
	// Hence an immediate Read() on the file can return incorrect data.
	if b.canClose != nil {
		b.canClose.Wait()
	}

If you want to block when reading or writing, you must enable it:

```go
	rb := ringbuffer.New(1024).SetBlocking(true)
```

Enabling blocking will cause the ring buffer to behave like a buffered [io.Pipe](https://pkg.go.dev/io#Pipe).

Regular Reads will block until data is available, but not wait for a full buffer. 
Writes will block until there is space available and writes bigger than the buffer will wait for reads to make space.

./mc mb sitea/delissue --insecure

./mc version enable sitea/delissue --insecure

echo hello | ./mc pipe sitea/delissue/hello --insecure

./mc version suspend sitea/delissue --insecure

./mc rm sitea/delissue/hello --insecure

./mc version enable sitea/delissue --insecure

echo hello | ./mc pipe sitea/delissue/hello --insecure

./mc version suspend sitea/delissue --insecure

	}{
		{
			path:             "/var/lib/kubelet/pod-resources",
			file:             "kube.sock", // this is not the default, but it's not relevant here
			expectError:      false,
			expectedFullPath: `npipe://\\.\pipe\kubelet-pod-resources`,
		},
	}
	for _, test := range tests {
		fullPath, err := LocalEndpoint(test.path, test.file)
		if test.expectError {
			assert.NotNil(t, err, "expected error")
			continue
		}

	}
	go func() { // func10
		c, err := ln.Accept()
		if err != nil {
			log.Printf("failed to accept: %v", err)
			return
		}
		c.Close()
	}()
	rp, wp, err := os.Pipe()
	if err != nil {
		log.Fatalf("failed to create a pipe: %v", err)
	}
	defer rp.Close()
	defer wp.Close()
	pipeReadDone := make(chan bool)
	go func() { // func11
		var data [1]byte
		rp.Read(data[:])
		pipeReadDone <- true
	}()

	switch {
	case len(w.buffer) > 0:
		err = errors.New("some file segments were not flushed from the queue")
		_ = w.w.CloseWithError(err)
	case w.err != nil:
		// No need to close here since both pipes were
		// closing inside TransferError()
		err = w.err
	default:
		err = w.w.Close()
	}
	for i := range w.buffer {
		delete(w.buffer, i)
	}
	w.wg.Wait()
	return err
}

		// crash monitor is a child process, it may inherit
		// it, so it will never see EOF from the pipe even
		// when this process crashes.
		//
		// A side effect of Fd() is that it calls SetBlocking,
		// which is important so that writes of a crash report
		// to a full pipe buffer don't get lost.
		fd2, _, err := poll.DupCloseOnExec(int(f.Fd()))
		if err != nil {
			return err
		}