问你如何让机器保持清醒？

EN

import com.sun.jna.Library;
import com.sun.jna.Native;
import com.sun.jna.platform.mac.CoreFoundation;
import com.sun.jna.ptr.IntByReference;

public interface ExampleIOKit extends Library {
    ExampleIOKit INSTANCE = Native.load("IOKit", ExampleIOKit.class);

    CoreFoundation.CFStringRef kIOPMAssertPreventUserIdleSystemSleep = CoreFoundation.CFStringRef.createCFString("PreventUserIdleSystemSleep");
    CoreFoundation.CFStringRef kIOPMAssertPreventUserIdleDisplaySleep = CoreFoundation.CFStringRef.createCFString("PreventUserIdleDisplaySleep");

    int kIOReturnSuccess = 0;

    int kIOPMAssertionLevelOff = 0;
    int kIOPMAssertionLevelOn = 255;

    int IOPMAssertionCreateWithName(CoreFoundation.CFStringRef assertionType,
                                    int assertionLevel,
                                    CoreFoundation.CFStringRef reasonForActivity,
                                    IntByReference assertionId);

    int IOPMAssertionRelease(int assertionId);
}

public class Example {
    private static final Logger _log = LoggerFactory.getLogger(Example.class);

    private int sleepPreventionAssertionId = 0;

    public void updateSleepPrevention(final boolean isEnabled) {
        if (isEnabled) {
            if (sleepPreventionAssertionId == 0) {
                final var assertionIdRef = new IntByReference(0);
                final var reason = CoreFoundation.CFStringRef.createCFString(
                    "Example preventing display sleep");
                final int result = ExampleIOKit.INSTANCE.IOPMAssertionCreateWithName(
                    ExampleIOKit.kIOPMAssertPreventUserIdleDisplaySleep,
                    ExampleIOKit.kIOPMAssertionLevelOn, reason, assertionIdRef);
                if (result == ExampleIOKit.kIOReturnSuccess) {
                    _log.info("Display sleep prevention enabled");
                    sleepPreventionAssertionId = assertionIdRef.getValue();
                }
                else {
                    _log.error("IOPMAssertionCreateWithName returned {}", result);
                }
            }
        }
        else {
            if (sleepPreventionAssertionId != 0) {
                final int result = ExampleIOKit.INSTANCE.IOPMAssertionRelease(sleepPreventionAssertionId);
                if (result == ExampleIOKit.kIOReturnSuccess) {
                    _log.info("Display sleep prevention disabled");
                }
                else {
                    _log.error("IOPMAssertionRelease returned {}", result);
                }
                sleepPreventionAssertionId = 0;
            }
        }
    }
}