Examples with Pointer com.sun.jna.Pointer used on opensource projects

Example 36 with Pointer

use of com.sun.jna.Pointer in project rocketmq-rocketmq-all-4.1.0-incubating by lirenzuo.

the class MappedFile method munlock.

public void munlock() {
    final long beginTime = System.currentTimeMillis();
    final long address = ((DirectBuffer) (this.mappedByteBuffer)).address();
    Pointer pointer = new Pointer(address);
    int ret = LibC.INSTANCE.munlock(pointer, new NativeLong(this.fileSize));
    log.info("munlock {} {} {} ret = {} time consuming = {}", address, this.fileName, this.fileSize, ret, System.currentTimeMillis() - beginTime);
}

Example 37 with Pointer

use of com.sun.jna.Pointer in project rocketmq-rocketmq-all-4.1.0-incubating by lirenzuo.

the class MappedFile method mlock.

public void mlock() {
    final long beginTime = System.currentTimeMillis();
    final long address = ((DirectBuffer) (this.mappedByteBuffer)).address();
    Pointer pointer = new Pointer(address);
    {
        int ret = LibC.INSTANCE.mlock(pointer, new NativeLong(this.fileSize));
        log.info("mlock {} {} {} ret = {} time consuming = {}", address, this.fileName, this.fileSize, ret, System.currentTimeMillis() - beginTime);
    }
    {
        int ret = LibC.INSTANCE.madvise(pointer, new NativeLong(this.fileSize), LibC.MADV_WILLNEED);
        log.info("madvise {} {} {} ret = {} time consuming = {}", address, this.fileName, this.fileSize, ret, System.currentTimeMillis() - beginTime);
    }
}

Example 38 with Pointer

use of com.sun.jna.Pointer in project dukescript-presenters by dukescript.

the class WebKitPresenter method convertToString.

final String convertToString(JSC jsc, Pointer value) {
    int type = jsc.JSValueGetType(ctx, value);
    if (type == 5) {
        Pointer toStr = jsc.JSStringCreateWithUTF8CString("this.toString()");
        value = jsc.JSEvaluateScript(ctx, toStr, value, null, 0, null);
        jsc.JSStringRelease(toStr);
    }
    Object ret = convertToJava(jsc, String.class, value);
    return ret != null ? ret.toString() : "<null value>";
}

Example 39 with Pointer

use of com.sun.jna.Pointer in project dukescript-presenters by dukescript.

the class Cocoa method nsString.

static Pointer nsString(String bd) {
    ObjC objC = ObjC.INSTANCE;
    Pointer stringClass = objC.objc_getClass("NSString");
    Pointer browserDemo = new Pointer(send(stringClass, "stringWithCString:encoding:", bd, 4));
    return browserDemo;
}

Example 40 with Pointer

use of com.sun.jna.Pointer in project Terasology by MovingBlocks.

the class OpenVRProvider method setKeyboardOverlayShowing.

/**
 * Turn on the keyboard overlay. This is a keyboard that hovers in front of the user, that can be typed upon by
 * pointing the ray extending from the top of the controller at the key the user wants to press.
 * @param showingState - true or false
 * @return - true if successful. If this call fails, an error is logged.
 */
public static boolean setKeyboardOverlayShowing(boolean showingState) {
    int ret;
    if (showingState) {
        Pointer pointer = new Memory(3);
        pointer.setString(0, "mc");
        Pointer empty = new Memory(1);
        empty.setString(0, "");
        ret = vrOverlay.ShowKeyboard.apply(0, 0, pointer, 256, empty, (byte) 1, 0);
        // 0 = no error, > 0 see EVROverlayError
        keyboardShowing = 0 == ret;
        if (ret != 0) {
            logger.error("VR Overlay Error: " + vrOverlay.GetOverlayErrorNameFromEnum.apply(ret).getString(0));
        }
    } else {
        try {
            vrOverlay.HideKeyboard.apply();
        } catch (Error e) {
            logger.error("Error bringing up keyboard overlay: " + e.toString());
        }
        keyboardShowing = false;
    }
    return keyboardShowing;
}