Examples with UncaughtExceptionHandler java.lang.Thread.UncaughtExceptionHandler used on opensource projects

Example 31 with UncaughtExceptionHandler

use of java.lang.Thread.UncaughtExceptionHandler in project j2objc by google.

the class ForkJoinPool method registerWorker.

//  Registering and deregistering workers
/**
     * Callback from ForkJoinWorkerThread to establish and record its
     * WorkQueue. To avoid scanning bias due to packing entries in
     * front of the workQueues array, we treat the array as a simple
     * power-of-two hash table using per-thread seed as hash,
     * expanding as needed.
     *
     * @param wt the worker thread
     * @return the worker's queue
     */
final WorkQueue registerWorker(ForkJoinWorkerThread wt) {
    UncaughtExceptionHandler handler;
    WorkQueue[] ws;
    int s, ps;
    wt.setDaemon(true);
    if ((handler = ueh) != null)
        wt.setUncaughtExceptionHandler(handler);
    do {
    } while (!U.compareAndSwapInt(this, INDEXSEED, s = indexSeed, s += SEED_INCREMENT) || // skip 0
    s == 0);
    WorkQueue w = new WorkQueue(this, wt, mode, s);
    if (((ps = plock) & PL_LOCK) != 0 || !U.compareAndSwapInt(this, PLOCK, ps, ps += PL_LOCK))
        ps = acquirePlock();
    int nps = (ps & SHUTDOWN) | ((ps + PL_LOCK) & ~SHUTDOWN);
    try {
        if ((ws = workQueues) != null) {
            // skip if shutting down
            int n = ws.length, m = n - 1;
            // use odd-numbered indices
            int r = (s << 1) | 1;
            if (ws[r &= m] != null) {
                // collision
                // step by approx half size
                int probes = 0;
                int step = (n <= 4) ? 2 : ((n >>> 1) & EVENMASK) + 2;
                while (ws[r = (r + step) & m] != null) {
                    if (++probes >= n) {
                        workQueues = ws = Arrays.copyOf(ws, n <<= 1);
                        m = n - 1;
                        probes = 0;
                    }
                }
            }
            w.poolIndex = (short) r;
            // volatile write orders
            w.eventCount = r;
            ws[r] = w;
        }
    } finally {
        if (!U.compareAndSwapInt(this, PLOCK, ps, nps))
            releasePlock(nps);
    }
    wt.setName(workerNamePrefix.concat(Integer.toString(w.poolIndex >>> 1)));
    return w;
}

Example 32 with UncaughtExceptionHandler

use of java.lang.Thread.UncaughtExceptionHandler in project j2objc by google.

the class ThreadTest method test_get_setDefaultUncaughtExceptionHandler.

/**
     * @tests java.lang.Thread#getDefaultUncaughtExceptionHandler
     * @tests java.lang.Thread#setDefaultUncaughtExceptionHandler
     */
public void test_get_setDefaultUncaughtExceptionHandler() {
    class Handler implements UncaughtExceptionHandler {

        public void uncaughtException(Thread thread, Throwable ex) {
        }
    }
    final Handler handler = new Handler();
    Thread.setDefaultUncaughtExceptionHandler(handler);
    assertSame(handler, Thread.getDefaultUncaughtExceptionHandler());
    Thread.setDefaultUncaughtExceptionHandler(null);
    assertNull(Thread.getDefaultUncaughtExceptionHandler());
//TODO add security-based tests
}

Example 33 with UncaughtExceptionHandler

use of java.lang.Thread.UncaughtExceptionHandler in project java-design-patterns by iluwatar.

the class BallThreadTest method testInterrupt.

/**
   * Verify if the {@link BallThread} is interruptible
   */
@Test(timeout = 5000)
public void testInterrupt() throws Exception {
    final BallThread ballThread = new BallThread();
    final UncaughtExceptionHandler exceptionHandler = mock(UncaughtExceptionHandler.class);
    ballThread.setUncaughtExceptionHandler(exceptionHandler);
    ballThread.setTwin(mock(BallItem.class));
    ballThread.start();
    ballThread.interrupt();
    ballThread.join();
    verify(exceptionHandler).uncaughtException(eq(ballThread), any(RuntimeException.class));
    verifyNoMoreInteractions(exceptionHandler);
}

Example 34 with UncaughtExceptionHandler

use of java.lang.Thread.UncaughtExceptionHandler in project guava by hceylan.

the class LocalLoadingCacheTest method testRecursiveComputation.

public void testRecursiveComputation() throws InterruptedException {
    final AtomicReference<LoadingCache<Integer, String>> cacheRef = new AtomicReference<LoadingCache<Integer, String>>();
    CacheLoader<Integer, String> recursiveLoader = new CacheLoader<Integer, String>() {

        @Override
        public String load(Integer key) {
            if (key > 0) {
                return key + ", " + cacheRef.get().getUnchecked(key - 1);
            } else {
                return "0";
            }
        }
    };
    LoadingCache<Integer, String> recursiveCache = new CacheBuilder<Integer, String>().weakKeys().weakValues().build(recursiveLoader);
    cacheRef.set(recursiveCache);
    assertEquals("3, 2, 1, 0", recursiveCache.getUnchecked(3));
    recursiveLoader = new CacheLoader<Integer, String>() {

        @Override
        public String load(Integer key) {
            return cacheRef.get().getUnchecked(key);
        }
    };
    recursiveCache = new CacheBuilder<Integer, String>().weakKeys().weakValues().build(recursiveLoader);
    cacheRef.set(recursiveCache);
    // tells the test when the compution has completed
    final CountDownLatch doneSignal = new CountDownLatch(1);
    Thread thread = new Thread() {

        @Override
        public void run() {
            try {
                cacheRef.get().getUnchecked(3);
            } finally {
                doneSignal.countDown();
            }
        }
    };
    thread.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {

        @Override
        public void uncaughtException(Thread t, Throwable e) {
        }
    });
    thread.start();
    boolean done = doneSignal.await(1, TimeUnit.SECONDS);
    if (!done) {
        StringBuilder builder = new StringBuilder();
        for (StackTraceElement trace : thread.getStackTrace()) {
            builder.append("\tat ").append(trace).append('\n');
        }
        fail(builder.toString());
    }
}

Example 35 with UncaughtExceptionHandler

use of java.lang.Thread.UncaughtExceptionHandler in project MinecraftForge by MinecraftForge.

the class SplashProgress method start.

public static void start() {
    File configFile = new File(Minecraft.getMinecraft().mcDataDir, "config/splash.properties");
    File parent = configFile.getParentFile();
    if (!parent.exists())
        parent.mkdirs();
    FileReader r = null;
    config = new Properties();
    try {
        r = new FileReader(configFile);
        config.load(r);
    } catch (IOException e) {
        FMLLog.info("Could not load splash.properties, will create a default one");
    } finally {
        IOUtils.closeQuietly(r);
    }
    //Some system do not support this and have weird effects so we need to detect and disable by default.
    //The user can always force enable it if they want to take the responsibility for bugs.
    //For now macs derp so disable them.
    boolean defaultEnabled = !System.getProperty("os.name").toLowerCase().contains("mac");
    // Enable if we have the flag, and there's either no optifine, or optifine has added a key to the blackboard ("optifine.ForgeSplashCompatible")
    // Optifine authors - add this key to the blackboard if you feel your modifications are now compatible with this code.
    enabled = getBool("enabled", defaultEnabled) && ((!FMLClientHandler.instance().hasOptifine()) || Launch.blackboard.containsKey("optifine.ForgeSplashCompatible"));
    rotate = getBool("rotate", false);
    showMemory = getBool("showMemory", true);
    logoOffset = getInt("logoOffset", 0);
    backgroundColor = getHex("background", 0xFFFFFF);
    fontColor = getHex("font", 0x000000);
    barBorderColor = getHex("barBorder", 0xC0C0C0);
    barColor = getHex("bar", 0xCB3D35);
    barBackgroundColor = getHex("barBackground", 0xFFFFFF);
    memoryGoodColor = getHex("memoryGood", 0x78CB34);
    memoryWarnColor = getHex("memoryWarn", 0xE6E84A);
    memoryLowColor = getHex("memoryLow", 0xE42F2F);
    final ResourceLocation fontLoc = new ResourceLocation(getString("fontTexture", "textures/font/ascii.png"));
    final ResourceLocation logoLoc = new ResourceLocation(getString("logoTexture", "textures/gui/title/mojang.png"));
    final ResourceLocation forgeLoc = new ResourceLocation(getString("forgeTexture", "fml:textures/gui/forge.png"));
    final ResourceLocation forgeFallbackLoc = new ResourceLocation("fml:textures/gui/forge.png");
    File miscPackFile = new File(Minecraft.getMinecraft().mcDataDir, getString("resourcePackPath", "resources"));
    FileWriter w = null;
    try {
        w = new FileWriter(configFile);
        config.store(w, "Splash screen properties");
    } catch (IOException e) {
        FMLLog.log(Level.ERROR, e, "Could not save the splash.properties file");
    } finally {
        IOUtils.closeQuietly(w);
    }
    miscPack = createResourcePack(miscPackFile);
    if (!enabled)
        return;
    // getting debug info out of the way, while we still can
    FMLCommonHandler.instance().registerCrashCallable(new ICrashCallable() {

        public String call() throws Exception {
            return "' Vendor: '" + glGetString(GL_VENDOR) + "' Version: '" + glGetString(GL_VERSION) + "' Renderer: '" + glGetString(GL_RENDERER) + "'";
        }

        public String getLabel() {
            return "GL info";
        }
    });
    CrashReport report = CrashReport.makeCrashReport(new Throwable() {

        @Override
        public String getMessage() {
            return "This is just a prompt for computer specs to be printed. THIS IS NOT A ERROR";
        }

        @Override
        public void printStackTrace(final PrintWriter s) {
            s.println(getMessage());
        }

        @Override
        public void printStackTrace(final PrintStream s) {
            s.println(getMessage());
        }
    }, "Loading screen debug info");
    System.out.println(report.getCompleteReport());
    try {
        d = new SharedDrawable(Display.getDrawable());
        Display.getDrawable().releaseContext();
        d.makeCurrent();
    } catch (LWJGLException e) {
        e.printStackTrace();
        disableSplash(e);
    }
    //Call this ASAP if splash is enabled so that threading doesn't cause issues later
    getMaxTextureSize();
    //Thread mainThread = Thread.currentThread();
    thread = new Thread(new Runnable() {

        private final int barWidth = 400;

        private final int barHeight = 20;

        private final int textHeight2 = 20;

        private final int barOffset = 55;

        public void run() {
            setGL();
            fontTexture = new Texture(fontLoc, null);
            logoTexture = new Texture(logoLoc, null, false);
            forgeTexture = new Texture(forgeLoc, forgeFallbackLoc);
            glEnable(GL_TEXTURE_2D);
            fontRenderer = new SplashFontRenderer();
            glDisable(GL_TEXTURE_2D);
            while (!done) {
                ProgressBar first = null, penult = null, last = null;
                Iterator<ProgressBar> i = ProgressManager.barIterator();
                while (i.hasNext()) {
                    if (first == null)
                        first = i.next();
                    else {
                        penult = last;
                        last = i.next();
                    }
                }
                glClear(GL_COLOR_BUFFER_BIT);
                // matrix setup
                int w = Display.getWidth();
                int h = Display.getHeight();
                glViewport(0, 0, w, h);
                glMatrixMode(GL_PROJECTION);
                glLoadIdentity();
                glOrtho(320 - w / 2, 320 + w / 2, 240 + h / 2, 240 - h / 2, -1, 1);
                glMatrixMode(GL_MODELVIEW);
                glLoadIdentity();
                // mojang logo
                setColor(backgroundColor);
                glEnable(GL_TEXTURE_2D);
                logoTexture.bind();
                glBegin(GL_QUADS);
                logoTexture.texCoord(0, 0, 0);
                glVertex2f(320 - 256, 240 - 256);
                logoTexture.texCoord(0, 0, 1);
                glVertex2f(320 - 256, 240 + 256);
                logoTexture.texCoord(0, 1, 1);
                glVertex2f(320 + 256, 240 + 256);
                logoTexture.texCoord(0, 1, 0);
                glVertex2f(320 + 256, 240 - 256);
                glEnd();
                glDisable(GL_TEXTURE_2D);
                // memory usage
                if (showMemory) {
                    glPushMatrix();
                    glTranslatef(320 - (float) barWidth / 2, 20, 0);
                    drawMemoryBar();
                    glPopMatrix();
                }
                // bars
                if (first != null) {
                    glPushMatrix();
                    glTranslatef(320 - (float) barWidth / 2, 310, 0);
                    drawBar(first);
                    if (penult != null) {
                        glTranslatef(0, barOffset, 0);
                        drawBar(penult);
                    }
                    if (last != null) {
                        glTranslatef(0, barOffset, 0);
                        drawBar(last);
                    }
                    glPopMatrix();
                }
                angle += 1;
                // forge logo
                setColor(backgroundColor);
                float fw = (float) forgeTexture.getWidth() / 2;
                float fh = (float) forgeTexture.getHeight() / 2;
                if (rotate) {
                    float sh = Math.max(fw, fh);
                    glTranslatef(320 + w / 2 - sh - logoOffset, 240 + h / 2 - sh - logoOffset, 0);
                    glRotatef(angle, 0, 0, 1);
                } else {
                    glTranslatef(320 + w / 2 - fw - logoOffset, 240 + h / 2 - fh - logoOffset, 0);
                }
                int f = (angle / 5) % forgeTexture.getFrames();
                glEnable(GL_TEXTURE_2D);
                forgeTexture.bind();
                glBegin(GL_QUADS);
                forgeTexture.texCoord(f, 0, 0);
                glVertex2f(-fw, -fh);
                forgeTexture.texCoord(f, 0, 1);
                glVertex2f(-fw, fh);
                forgeTexture.texCoord(f, 1, 1);
                glVertex2f(fw, fh);
                forgeTexture.texCoord(f, 1, 0);
                glVertex2f(fw, -fh);
                glEnd();
                glDisable(GL_TEXTURE_2D);
                // We use mutex to indicate safely to the main thread that we're taking the display global lock
                // So the main thread can skip processing messages while we're updating.
                // There are system setups where this call can pause for a while, because the GL implementation
                // is trying to impose a framerate or other thing is occurring. Without the mutex, the main
                // thread would delay waiting for the same global display lock
                mutex.acquireUninterruptibly();
                Display.update();
                // As soon as we're done, we release the mutex. The other thread can now ping the processmessages
                // call as often as it wants until we get get back here again
                mutex.release();
                if (pause) {
                    clearGL();
                    setGL();
                }
                Display.sync(100);
            }
            clearGL();
        }

        private void setColor(int color) {
            glColor3ub((byte) ((color >> 16) & 0xFF), (byte) ((color >> 8) & 0xFF), (byte) (color & 0xFF));
        }

        private void drawBox(int w, int h) {
            glBegin(GL_QUADS);
            glVertex2f(0, 0);
            glVertex2f(0, h);
            glVertex2f(w, h);
            glVertex2f(w, 0);
            glEnd();
        }

        private void drawBar(ProgressBar b) {
            glPushMatrix();
            // title - message
            setColor(fontColor);
            glScalef(2, 2, 1);
            glEnable(GL_TEXTURE_2D);
            fontRenderer.drawString(b.getTitle() + " - " + b.getMessage(), 0, 0, 0x000000);
            glDisable(GL_TEXTURE_2D);
            glPopMatrix();
            // border
            glPushMatrix();
            glTranslatef(0, textHeight2, 0);
            setColor(barBorderColor);
            drawBox(barWidth, barHeight);
            // interior
            setColor(barBackgroundColor);
            glTranslatef(1, 1, 0);
            drawBox(barWidth - 2, barHeight - 2);
            // slidy part
            setColor(barColor);
            // Step can sometimes be 0.
            drawBox((barWidth - 2) * (b.getStep() + 1) / (b.getSteps() + 1), barHeight - 2);
            // progress text
            String progress = "" + b.getStep() + "/" + b.getSteps();
            glTranslatef(((float) barWidth - 2) / 2 - fontRenderer.getStringWidth(progress), 2, 0);
            setColor(fontColor);
            glScalef(2, 2, 1);
            glEnable(GL_TEXTURE_2D);
            fontRenderer.drawString(progress, 0, 0, 0x000000);
            glPopMatrix();
        }

        private void drawMemoryBar() {
            int maxMemory = bytesToMb(Runtime.getRuntime().maxMemory());
            int totalMemory = bytesToMb(Runtime.getRuntime().totalMemory());
            int freeMemory = bytesToMb(Runtime.getRuntime().freeMemory());
            int usedMemory = totalMemory - freeMemory;
            float usedMemoryPercent = usedMemory / (float) maxMemory;
            glPushMatrix();
            // title - message
            setColor(fontColor);
            glScalef(2, 2, 1);
            glEnable(GL_TEXTURE_2D);
            fontRenderer.drawString("Memory Used / Total", 0, 0, 0x000000);
            glDisable(GL_TEXTURE_2D);
            glPopMatrix();
            // border
            glPushMatrix();
            glTranslatef(0, textHeight2, 0);
            setColor(barBorderColor);
            drawBox(barWidth, barHeight);
            // interior
            setColor(barBackgroundColor);
            glTranslatef(1, 1, 0);
            drawBox(barWidth - 2, barHeight - 2);
            // slidy part
            long time = System.currentTimeMillis();
            if (usedMemoryPercent > memoryColorPercent || (time - memoryColorChangeTime > 1000)) {
                memoryColorChangeTime = time;
                memoryColorPercent = usedMemoryPercent;
            }
            int memoryBarColor;
            if (memoryColorPercent < 0.75f) {
                memoryBarColor = memoryGoodColor;
            } else if (memoryColorPercent < 0.85f) {
                memoryBarColor = memoryWarnColor;
            } else {
                memoryBarColor = memoryLowColor;
            }
            setColor(memoryLowColor);
            glPushMatrix();
            glTranslatef((barWidth - 2) * (totalMemory) / (maxMemory) - 2, 0, 0);
            drawBox(2, barHeight - 2);
            glPopMatrix();
            setColor(memoryBarColor);
            drawBox((barWidth - 2) * (usedMemory) / (maxMemory), barHeight - 2);
            // progress text
            String progress = getMemoryString(usedMemory) + " / " + getMemoryString(maxMemory);
            glTranslatef(((float) barWidth - 2) / 2 - fontRenderer.getStringWidth(progress), 2, 0);
            setColor(fontColor);
            glScalef(2, 2, 1);
            glEnable(GL_TEXTURE_2D);
            fontRenderer.drawString(progress, 0, 0, 0x000000);
            glPopMatrix();
        }

        private String getMemoryString(int memory) {
            return StringUtils.leftPad(Integer.toString(memory), 4, ' ') + " MB";
        }

        private void setGL() {
            lock.lock();
            try {
                Display.getDrawable().makeCurrent();
            } catch (LWJGLException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
            glClearColor((float) ((backgroundColor >> 16) & 0xFF) / 0xFF, (float) ((backgroundColor >> 8) & 0xFF) / 0xFF, (float) (backgroundColor & 0xFF) / 0xFF, 1);
            glDisable(GL_LIGHTING);
            glDisable(GL_DEPTH_TEST);
            glEnable(GL_BLEND);
            glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        }

        private void clearGL() {
            Minecraft mc = Minecraft.getMinecraft();
            mc.displayWidth = Display.getWidth();
            mc.displayHeight = Display.getHeight();
            mc.resize(mc.displayWidth, mc.displayHeight);
            glClearColor(1, 1, 1, 1);
            glEnable(GL_DEPTH_TEST);
            glDepthFunc(GL_LEQUAL);
            glEnable(GL_ALPHA_TEST);
            glAlphaFunc(GL_GREATER, .1f);
            try {
                Display.getDrawable().releaseContext();
            } catch (LWJGLException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            } finally {
                lock.unlock();
            }
        }
    });
    thread.setUncaughtExceptionHandler(new UncaughtExceptionHandler() {

        public void uncaughtException(Thread t, Throwable e) {
            FMLLog.log(Level.ERROR, e, "Splash thread Exception");
            threadError = e;
        }
    });
    thread.start();
    checkThreadState();
}