// same mechanism for async preemption.
	if ep.context.ip() == abi.FuncPCABI0(sigresume) {
		// sigresume has already been set up by a previous exception.
		return ret
	}
	prepareContextForSigResume(ep.context)
	ep.context.set_sp(gp.m.g0.sched.sp)
	ep.context.set_ip(abi.FuncPCABI0(sigresume))
	return ret
}

// Called by sigtramp from Windows VEH handler.

// This is part of the control flow guard workaround.
// It switches stacks and jumps to the continuation address.
// DX and CX are set above at the end of sigtrampgo
// in the context that starts executing at sigresume.
TEXT runtime·sigresume(SB),NOSPLIT,$0
	MOVL	DX, SP
	JMP	CX

TEXT runtime·exceptiontramp(SB),NOSPLIT,$0
	MOVL	argframe+0(FP), AX
	MOVL	$const_callbackVEH, CX
	JMP	sigtramp<>(SB)

// This is part of the control flow guard workaround.
// It switches stacks and jumps to the continuation address.
// R0 and R1 are set above at the end of sigtrampgo
// in the context that starts executing at sigresume.
TEXT runtime·sigresume(SB),NOSPLIT|NOFRAME,$0
	// Important: do not smash LR,
	// which is set to a live value when handling
	// a signal by pushing a call to sigpanic onto the stack.
	MOVD	R0, RSP
	B	(R1)

// This is part of the control flow guard workaround.
// It switches stacks and jumps to the continuation address.
// R0 and R1 are set above at the end of sigtrampgo
// in the context that starts executing at sigresume.
TEXT runtime·sigresume(SB),NOSPLIT|NOFRAME,$0
	// Important: do not smash LR,
	// which is set to a live value when handling
	// a signal by pushing a call to sigpanic onto the stack.
	MOVW	R0, R13
	B	(R1)

// This is part of the control flow guard workaround.
// It switches stacks and jumps to the continuation address.
// R8 and R9 are set above at the end of sigtrampgo
// in the context that starts executing at sigresume.
TEXT runtime·sigresume(SB),NOSPLIT|NOFRAME,$0
	MOVQ	R8, SP
	JMP	R9

TEXT runtime·exceptiontramp(SB),NOSPLIT|NOFRAME,$0
	// PExceptionPointers already on CX
	MOVQ	$const_callbackVEH, DX

	srv.conn.SetTransportParameters(nil)
	if err := runTestQUICConnection(context.Background(), cli, srv, nil); err != nil {
		t.Fatalf("error during first connection handshake: %v", err)
	}
	if cli.conn.ConnectionState().DidResume {
		t.Errorf("first connection unexpectedly used session resumption")
	}

	cli2 := newTestQUICClient(t, clientConfig)
	cli2.conn.SetTransportParameters(nil)
	srv2 := newTestQUICServer(t, serverConfig)

	if isResume || (len(c.config.Certificates) == 0 && c.config.GetClientCertificate == nil) {
		hs.finishedHash.discardHandshakeBuffer()
	}

	if err := transcriptMsg(hs.hello, &hs.finishedHash); err != nil {
		return err
	}
	if err := transcriptMsg(hs.serverHello, &hs.finishedHash); err != nil {
		return err
	}

	c.buffering = true
	c.didResume = isResume
	if isResume {

     * @return This request, never {@code null}.
     */
    MavenExecutionRequest setResume(boolean resume);

    /**
     * @return Whether the build should be resumed from the data in the resume.properties file.
     */
    boolean isResume();

    MavenExecutionRequest setResumeFrom(String project);

    String getResumeFrom();

	}

	testResumeState := func(test string, didResume bool) {
		t.Helper()
		_, hs, err := testHandshake(t, clientConfig, serverConfig)
		if err != nil {
			t.Fatalf("%s: handshake failed: %s", test, err)
		}
		if hs.DidResume != didResume {
			t.Fatalf("%s resumed: %v, expected: %v", test, hs.DidResume, didResume)
		}
		if didResume && (hs.PeerCertificates == nil || hs.VerifiedChains == nil) {

	}
	if !state.DidResume {
		t.Fatalf("handshake did not resume at the same version")
	}

	// Test that the server will decline to resume at a lower version.
	clientConfig.MaxVersion = VersionTLS12
	state, _, err = testHandshake(t, clientConfig, serverConfig)
	if err != nil {
		t.Fatalf("handshake failed: %s", err)
	}
	if state.DidResume {
		t.Fatalf("handshake resumed at a lower version")