await withIsolatedSignals(async ({ captureSignal }) => {

const { runtime, exited } = await createSignaledLoopHarness();

const sigusr1 = captureSignal("SIGUSR1");

const startedAt = Date.now();

vi.useFakeTimers();

sigusr1();

await vi.advanceTimersByTimeAsync(1499);

expect(runtime.exit).not.toHaveBeenCalled();

await vi.advanceTimersByTimeAsync(1);

await expect(exited).resolves.toBe(0);

expect(runtime.exit).toHaveBeenCalledWith(0);

expect(writeGatewayRestartHandoffSync).toHaveBeenCalledWith({

processInstanceId: expect.any(String),

supervisorMode: "launchd",

});

expect(Date.now() - startedAt).toBeGreaterThanOrEqual(1400);

});

} finally {

vi.useRealTimers();

delete process.env.LAUNCH_JOB_LABEL;

if (originalPlatformDescriptor) {

Object.defineProperty(process, "platform", originalPlatformDescriptor);