}

// StdinPipe returns a pipe that will be connected to the command's
// standard input when the command starts.
// The pipe will be closed automatically after [Cmd.Wait] sees the command exit.
// A caller need only call Close to force the pipe to close sooner.
// For example, if the command being run will not exit until standard input
// is closed, the caller must close the pipe.

}

//sysnb	pipe() (r int, w int, err error)

func Pipe(p []int) (err error) {
	if len(p) != 2 {
		return EINVAL
	}
	r, w, err := pipe()
	if err == nil {
		p[0], p[1] = r, w
	}
	return
}

//sysnb	pipe2(p *[2]_C_int, flags int) (r int, w int, err error)

func Pipe2(p []int, flags int) (err error) {
	if len(p) != 2 {
		return EINVAL
	}

	// (We expect a write to a closed pipe can fail, but a concurrent fork of a
	// child process can cause the pipe to unexpectedly remain open.)

	limit := 1
	if !read {
		// Get the amount we have to write to overload a pipe
		// with no reader.
		limit = 131073
		if b, err := os.ReadFile("/proc/sys/fs/pipe-max-size"); err == nil {

	}
}

// Test that sendfile doesn't put a pipe into blocking mode.
func TestSendfilePipe(t *testing.T) {
	switch runtime.GOOS {
	case "plan9", "windows", "js", "wasip1":
		// These systems don't support deadlines on pipes.
		t.Skipf("skipping on %s", runtime.GOOS)
	}

	t.Parallel()

	ln := newLocalListener(t, "tcp")
	defer ln.Close()

	r, w, err := os.Pipe()
	if err != nil {
		t.Fatal(err)
	}

		return nil, err
	}
	return &u, nil
}

func Pipe(p []int) (err error) {
	return Pipe2(p, 0)
}

//sysnb	pipe2(p *[2]_C_int, flags int) (err error)

func Pipe2(p []int, flags int) error {
	if len(p) != 2 {
		return EINVAL
	}
	var pp [2]_C_int
	err := pipe2(&pp, flags)
	if err == nil {
		p[0] = int(pp[0])
		p[1] = int(pp[1])
	}
	return err
}

		return nil, err
	}
	if n != SizeofUvmexp {
		return nil, EIO
	}
	return &u, nil
}

func Pipe(p []int) (err error) {
	return Pipe2(p, 0)
}

//sysnb	pipe2(p *[2]_C_int, flags int) (err error)

func Pipe2(p []int, flags int) error {
	if len(p) != 2 {
		return EINVAL
	}
	var pp [2]_C_int
	err := pipe2(&pp, flags)
	if err == nil {
		p[0] = int(pp[0])
		p[1] = int(pp[1])
	}
	return err
}

		// stderr pipe is closed.
		if ee := new(*exec.ExitError); !errors.As(err, ee) {
			t.Errorf("Wait error = %v; want %T", err, *ee)
		}
	})

	// If the process exits with status 0 but leaves a child behind writing
	// to its output pipes, Wait should only wait for WaitDelay before
	// closing the pipes and returning.  Wait should return ErrWaitDelay

    /**
     * @param pipe
     */
    public SmbPipeHandleImpl ( SmbNamedPipe pipe ) {
        this.pipe = pipe;
        this.transact = ( pipe.getPipeType() & SmbPipeResource.PIPE_TYPE_TRANSACT ) == SmbPipeResource.PIPE_TYPE_TRANSACT;
        this.call = ( pipe.getPipeType() & SmbPipeResource.PIPE_TYPE_CALL ) == SmbPipeResource.PIPE_TYPE_CALL;
        this.openFlags = ( pipe.getPipeType() & 0xFFFF00FF ) | SmbConstants.O_EXCL;

			pipe.IsAssign = next.typ == itemAssign
			t.nextNonSpace()
			pipe.Decl = append(pipe.Decl, t.newVariable(v.pos, v.val))
			t.vars = append(t.vars, v.val)
		case next.typ == itemChar && next.val == ",":
			t.nextNonSpace()
			pipe.Decl = append(pipe.Decl, t.newVariable(v.pos, v.val))
			t.vars = append(t.vars, v.val)
			if context == "range" && len(pipe.Decl) < 2 {
				switch t.peekNonSpace().typ {

func (sc *ServerConn) Read() (*http.Request, error) {
	var req *http.Request
	var err error

	// Ensure ordered execution of Reads and Writes
	id := sc.pipe.Next()
	sc.pipe.StartRequest(id)
	defer func() {
		sc.pipe.EndRequest(id)
		if req == nil {
			sc.pipe.StartResponse(id)
			sc.pipe.EndResponse(id)
		} else {
			// Remember the pipeline id of this request
			sc.mu.Lock()
			sc.pipereq[req] = id
			sc.mu.Unlock()
		}