8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.lang;
27
28 import jdk.internal.misc.Blocker;
29 import jdk.internal.vm.annotation.IntrinsicCandidate;
30
31 /**
32 * Class {@code Object} is the root of the class hierarchy.
33 * Every class has {@code Object} as a superclass. All objects,
34 * including arrays, implement the methods of this class.
35 *
36 * @see java.lang.Class
37 * @since 1.0
38 */
39 public class Object {
40
41 /**
42 * Constructs a new object.
43 */
44 @IntrinsicCandidate
45 public Object() {}
46
47 /**
48 * Returns the runtime class of this {@code Object}. The returned
357 * by being <em>notified</em> or <em>interrupted</em>, or until a
358 * certain amount of real time has elapsed.
359 * <p>
360 * In all respects, this method behaves as if {@code wait(timeoutMillis, 0)}
361 * had been called. See the specification of the {@link #wait(long, int)} method
362 * for details.
363 *
364 * @param timeoutMillis the maximum time to wait, in milliseconds
365 * @throws IllegalArgumentException if {@code timeoutMillis} is negative
366 * @throws IllegalMonitorStateException if the current thread is not
367 * the owner of the object's monitor
368 * @throws InterruptedException if any thread interrupted the current thread before or
369 * while the current thread was waiting. The <em>interrupted status</em> of the
370 * current thread is cleared when this exception is thrown.
371 * @see #notify()
372 * @see #notifyAll()
373 * @see #wait()
374 * @see #wait(long, int)
375 */
376 public final void wait(long timeoutMillis) throws InterruptedException {
377 if (!Thread.currentThread().isVirtual()) {
378 wait0(timeoutMillis);
379 return;
380 }
381
382 // virtual thread waiting
383 boolean attempted = Blocker.begin();
384 try {
385 wait0(timeoutMillis);
386 } catch (InterruptedException e) {
387 // virtual thread's interrupt status needs to be cleared
388 Thread.currentThread().getAndClearInterrupt();
389 throw e;
390 } finally {
391 Blocker.end(attempted);
392 }
393 }
394
395 // final modifier so method not in vtable
396 private final native void wait0(long timeoutMillis) throws InterruptedException;
397
398 /**
399 * Causes the current thread to wait until it is awakened, typically
400 * by being <em>notified</em> or <em>interrupted</em>, or until a
401 * certain amount of real time has elapsed.
402 * <p>
403 * The current thread must own this object's monitor lock. See the
404 * {@link #notify notify} method for a description of the ways in which
405 * a thread can become the owner of a monitor lock.
406 * <p>
407 * This method causes the current thread (referred to here as <var>T</var>) to
408 * place itself in the wait set for this object and then to relinquish any
409 * and all synchronization claims on this object. Note that only the locks
410 * on this object are relinquished; any other objects on which the current
411 * thread may be synchronized remain locked while the thread waits.
|
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.lang;
27
28 import jdk.internal.vm.annotation.IntrinsicCandidate;
29
30 /**
31 * Class {@code Object} is the root of the class hierarchy.
32 * Every class has {@code Object} as a superclass. All objects,
33 * including arrays, implement the methods of this class.
34 *
35 * @see java.lang.Class
36 * @since 1.0
37 */
38 public class Object {
39
40 /**
41 * Constructs a new object.
42 */
43 @IntrinsicCandidate
44 public Object() {}
45
46 /**
47 * Returns the runtime class of this {@code Object}. The returned
356 * by being <em>notified</em> or <em>interrupted</em>, or until a
357 * certain amount of real time has elapsed.
358 * <p>
359 * In all respects, this method behaves as if {@code wait(timeoutMillis, 0)}
360 * had been called. See the specification of the {@link #wait(long, int)} method
361 * for details.
362 *
363 * @param timeoutMillis the maximum time to wait, in milliseconds
364 * @throws IllegalArgumentException if {@code timeoutMillis} is negative
365 * @throws IllegalMonitorStateException if the current thread is not
366 * the owner of the object's monitor
367 * @throws InterruptedException if any thread interrupted the current thread before or
368 * while the current thread was waiting. The <em>interrupted status</em> of the
369 * current thread is cleared when this exception is thrown.
370 * @see #notify()
371 * @see #notifyAll()
372 * @see #wait()
373 * @see #wait(long, int)
374 */
375 public final void wait(long timeoutMillis) throws InterruptedException {
376 if (timeoutMillis < 0) {
377 throw new IllegalArgumentException("timeout value is negative");
378 }
379
380 if (Thread.currentThread() instanceof VirtualThread vthread) {
381 try {
382 wait0(timeoutMillis);
383 } catch (InterruptedException e) {
384 // virtual thread's interrupt status needs to be cleared
385 vthread.getAndClearInterrupt();
386 throw e;
387 } finally {
388 if (timeoutMillis > 0) {
389 vthread.cancelWaitTimeout();
390 }
391 }
392 } else {
393 wait0(timeoutMillis);
394 }
395 }
396
397 // final modifier so method not in vtable
398 private final native void wait0(long timeoutMillis) throws InterruptedException;
399
400 /**
401 * Causes the current thread to wait until it is awakened, typically
402 * by being <em>notified</em> or <em>interrupted</em>, or until a
403 * certain amount of real time has elapsed.
404 * <p>
405 * The current thread must own this object's monitor lock. See the
406 * {@link #notify notify} method for a description of the ways in which
407 * a thread can become the owner of a monitor lock.
408 * <p>
409 * This method causes the current thread (referred to here as <var>T</var>) to
410 * place itself in the wait set for this object and then to relinquish any
411 * and all synchronization claims on this object. Note that only the locks
412 * on this object are relinquished; any other objects on which the current
413 * thread may be synchronized remain locked while the thread waits.
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