Java Code Examples for java.util.concurrent.Phaser#arriveAndAwaitAdvance()
The following examples show how to use
java.util.concurrent.Phaser#arriveAndAwaitAdvance() .
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Example 1
| Source File: ThreadBlockedCount.java From hottub with GNU General Public License v2.0 | 6 votes |
|
private static void runTest() throws Exception {
final Phaser p = new Phaser(2);
blocking = new BlockingThread(p);
blocking.start();
blocked = new BlockedThread(p);
blocked.start();
try {
blocking.join();
testOk = checkBlocked();
p.arriveAndAwaitAdvance(); // #5
} catch (InterruptedException e) {
System.err.println("Unexpected exception.");
e.printStackTrace(System.err);
throw e;
}
}
Example 2
| Source File: ThreadBlockedCount.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
|
private static void runTest() throws Exception {
final Phaser p = new Phaser(2);
blocking = new BlockingThread(p);
blocking.start();
blocked = new BlockedThread(p);
blocked.start();
try {
blocking.join();
testOk = checkBlocked();
p.arriveAndAwaitAdvance(); // #5
} catch (InterruptedException e) {
System.err.println("Unexpected exception.");
e.printStackTrace(System.err);
throw e;
}
}
Example 3
| Source File: SynchronizationStatistics.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that blocking on a single monitor properly increases the
* blocked count at least by 1. Also asserts that the correct lock name is provided.
*/
private static void testBlockingOnSimpleMonitor() throws Exception {
System.out.println("testBlockingOnSimpleMonitor");
final Object lock1 = new Object();
System.out.println("Lock1 = " + lock1);
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
p.arriveAndAwaitAdvance(); // phase[2]
}
p.arriveAndAwaitAdvance(); // phase[3]
}
});
lt.start();
long tid = lt.getId();
ThreadInfo ti = mbean.getThreadInfo(tid);
String lockName = null;
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
lockName = mbean.getThreadInfo(tid).getLockName();
}
p.arriveAndAwaitAdvance(); // phase[2]
testBlocked(ti, () -> mbean.getThreadInfo(tid), lockName, lock1);
p.arriveAndDeregister(); // phase[3]
lt.join();
printok();
}
Example 4
| Source File: SynchronizationStatistics.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that blocking on a single monitor properly increases the
* blocked count at least by 1. Also asserts that the correct lock name is provided.
*/
private static void testBlockingOnSimpleMonitor() throws Exception {
System.out.println("testBlockingOnSimpleMonitor");
final Object lock1 = new Object();
System.out.println("Lock1 = " + lock1);
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
p.arriveAndAwaitAdvance(); // phase[2]
}
p.arriveAndAwaitAdvance(); // phase[3]
}
});
lt.start();
long tid = lt.getId();
ThreadInfo ti = mbean.getThreadInfo(tid);
String lockName = null;
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
do {
lockName = mbean.getThreadInfo(tid).getLockName();
} while (lockName == null);
}
p.arriveAndAwaitAdvance(); // phase[2]
testBlocked(ti, () -> mbean.getThreadInfo(tid), lockName, lock1);
p.arriveAndDeregister(); // phase[3]
lt.join();
printok();
}
Example 5
| Source File: SynchronizationStatistics.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that waiting on a single monitor properly increases the waited
* count by 1 and the waited time by a positive number.
*/
private static void testWaitingOnSimpleMonitor() throws Exception {
System.out.println("testWaitingOnSimpleMonitor");
final Object lock1 = new Object();
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
try {
lock1.wait(300);
} catch (InterruptedException ex) {
// ignore
}
p.arriveAndAwaitAdvance(); // phase[2]
}
p.arriveAndAwaitAdvance(); // phase[3]
}
});
lt.start();
ThreadInfo ti1 = mbean.getThreadInfo(lt.getId());
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
}
p.arriveAndAwaitAdvance(); // phase[2]
testWaited(ti1, () -> mbean.getThreadInfo(lt.getId()), 1);
p.arriveAndDeregister(); // phase[3]
lt.join();
printok();
}
Example 6
| Source File: DoubleAdderDemo.java From native-obfuscator with GNU General Public License v3.0 | 5 votes |
|
static long timeTasks(Phaser phaser) {
phaser.arriveAndAwaitAdvance();
long start = System.nanoTime();
phaser.arriveAndAwaitAdvance();
phaser.arriveAndAwaitAdvance();
return System.nanoTime() - start;
}
Example 7
| Source File: Basic.java From native-obfuscator with GNU General Public License v3.0 | 5 votes |
|
static void toTheStartingGate(Phaser gate) {
try {
gate.arriveAndAwaitAdvance();
} catch (Throwable t) {
unexpected(t);
}
}
Example 8
| Source File: LongAdderDemo.java From hottub with GNU General Public License v2.0 | 5 votes |
|
static long timeTasks(Phaser phaser) {
phaser.arriveAndAwaitAdvance();
long start = System.nanoTime();
phaser.arriveAndAwaitAdvance();
phaser.arriveAndAwaitAdvance();
return System.nanoTime() - start;
}
Example 9
| Source File: Basic.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
static void toTheStartingGate(Phaser gate) {
try {
gate.arriveAndAwaitAdvance();
} catch (Throwable t) {
unexpected(t);
}
}
Example 10
| Source File: SynchronizationStatistics.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that blocking on a single monitor properly increases the
* blocked count at least by 1. Also asserts that the correct lock name is provided.
*/
private static void testBlockingOnSimpleMonitor() throws Exception {
System.out.println("testBlockingOnSimpleMonitor");
final Object lock1 = new Object();
System.out.println("Lock1 = " + lock1);
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
p.arriveAndAwaitAdvance(); // phase[2]
}
p.arriveAndAwaitAdvance(); // phase[3]
}
});
lt.start();
long tid = lt.getId();
ThreadInfo ti = mbean.getThreadInfo(tid);
String lockName = null;
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
do {
lockName = mbean.getThreadInfo(tid).getLockName();
} while (lockName == null);
}
p.arriveAndAwaitAdvance(); // phase[2]
testBlocked(ti, () -> mbean.getThreadInfo(tid), lockName, lock1);
p.arriveAndDeregister(); // phase[3]
lt.join();
printok();
}
Example 11
| Source File: SchedulersMetricsTest.java From reactor-core with Apache License 2.0 | 5 votes |
|
@Parameters(method = "metricsSchedulers")
@Test(timeout = 10_000)
public void shouldReportExecutionTimes(Supplier<Scheduler> schedulerSupplier, String type) {
Scheduler scheduler = afterTest.autoDispose(schedulerSupplier.get());
final int taskCount = 3;
Phaser phaser = new Phaser(1);
for (int i = 1; i <= taskCount; i++) {
phaser.register();
int delay = i * 200; //bumped delay from 20ms to make actual scheduling times more precise
scheduler.schedule(() -> {
try {
Thread.sleep(delay);
phaser.arriveAndDeregister();
}
catch (InterruptedException e) {
throw new RuntimeException(e);
}
});
}
phaser.arriveAndAwaitAdvance();
Collection<Timer> timers = simpleMeterRegistry
.find("executor")
.tag(TAG_SCHEDULER_ID, scheduler.toString())
.timers();
// Use Awaitility because "count" is reported "eventually"
await().atMost(5, TimeUnit.SECONDS).untilAsserted(() -> {
assertThat(timers.stream()
.reduce(0d, (time, timer) -> time + timer.totalTime(TimeUnit.MILLISECONDS), Double::sum))
.as("total durations")
.isEqualTo(600 + 400 + 200, offset(50d));
assertThat(timers.stream().mapToLong(Timer::count).sum())
.as("count")
.isEqualTo(taskCount);
});
}
Example 12
| Source File: Basic.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
static void toTheStartingGate(Phaser gate) {
try {
gate.arriveAndAwaitAdvance();
} catch (Throwable t) {
unexpected(t);
}
}
Example 13
| Source File: SynchronizationStatistics.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that waiting on a single monitor properly increases the waited
* count by 1 and the waited time by a positive number.
*/
private static void testWaitingOnSimpleMonitor() throws Exception {
System.out.println("testWaitingOnSimpleMonitor");
final Object lock1 = new Object();
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
try {
lock1.wait(300);
} catch (InterruptedException ex) {
// ignore
}
p.arriveAndAwaitAdvance(); // phase[2]
}
p.arriveAndAwaitAdvance(); // phase[3]
}
});
lt.start();
ThreadInfo ti1 = mbean.getThreadInfo(lt.getId());
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
}
p.arriveAndAwaitAdvance(); // phase[2]
testWaited(ti1, () -> mbean.getThreadInfo(lt.getId()), 1);
p.arriveAndDeregister(); // phase[3]
lt.join();
printok();
}
Example 14
| Source File: Race.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
public static void main(String[] args) throws Exception {
try (ServerSocket ss = new ServerSocket(0)) {
final int port = ss.getLocalPort();
final Phaser phaser = new Phaser(THREADS + 1);
for (int i=0; i<100; i++) {
try {
final Socket s = new Socket("localhost", port);
s.setSoLinger(false, 0);
try (Socket sa = ss.accept()) {
sa.setSoLinger(false, 0);
final InputStream is = s.getInputStream();
Thread[] threads = new Thread[THREADS];
for (int j=0; j<THREADS; j++) {
threads[j] = new Thread() {
public void run() {
try {
phaser.arriveAndAwaitAdvance();
while (is.read() != -1)
Thread.sleep(50);
} catch (Exception x) {
if (!(x instanceof SocketException
&& x.getMessage().equalsIgnoreCase("socket closed")))
x.printStackTrace();
// ok, expect Socket closed
}
}};
}
for (int j=0; j<100; j++)
threads[j].start();
phaser.arriveAndAwaitAdvance();
s.close();
for (int j=0; j<100; j++)
threads[j].join();
}
} catch (ConnectException e) {
System.err.println("Exception " + e + " Port: " + port);
}
}
}
}
Example 15
| Source File: Basic.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
static void toTheStartingGate(Phaser gate) {
try {
gate.arriveAndAwaitAdvance();
} catch (Throwable t) {
unexpected(t);
}
}
Example 16
| Source File: SynchronizationStatistics.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/**
* Tests that waiting on a single monitor properly increases the waited
* count by 1 and the waited time by a positive number.
*/
private static void testWaitingOnSimpleMonitor() throws Exception {
System.out.println("testWaitingOnSimpleMonitor");
final Object lock1 = new Object();
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
try {
lock1.wait(300);
} catch (InterruptedException ex) {
// ignore
}
p.arriveAndAwaitAdvance(); // phase[2]
}
p.arriveAndAwaitAdvance(); // phase[3]
}
});
lt.start();
ThreadInfo ti1 = mbean.getThreadInfo(lt.getId());
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
}
p.arriveAndAwaitAdvance(); // phase[2]
testWaited(ti1, () -> mbean.getThreadInfo(lt.getId()), 1);
p.arriveAndDeregister(); // phase[3]
lt.join();
printok();
}
Example 17
| Source File: SynchronizationStatistics.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
/**
* Tests that waiting multiple times on the same monitor subsequently
* increases the waited count by the number of subsequent calls and the
* waited time by a positive number.
*/
private static void testMultiWaitingOnSimpleMonitor() throws Exception {
System.out.println("testWaitingOnMultipleMonitors");
final Object lock1 = new Object();
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
for (int i = 0; i < 3; i++) {
try {
lock1.wait(300);
} catch (InterruptedException ex) {
// ignore
}
p.arriveAndAwaitAdvance(); // phase[2-4]
}
}
p.arriveAndAwaitAdvance(); // phase[5]
}
});
lt.start();
ThreadInfo ti1 = mbean.getThreadInfo(lt.getId());
synchronized(lock1) {
p.arriveAndAwaitAdvance(); //phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
}
int phase = p.getPhase();
while ((p.arriveAndAwaitAdvance() - phase) < 3); // phase[2-4]
testWaited(ti1, () -> mbean.getThreadInfo(lt.getId()), 3);
p.arriveAndDeregister(); // phase[5]
lt.join();
printok();
}
Example 18
| Source File: SynchronizationStatistics.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
/**
* Tests that waiting multiple times on the same monitor subsequently
* increases the waited count by the number of subsequent calls and the
* waited time by a positive number.
*/
private static void testMultiWaitingOnSimpleMonitor() throws Exception {
System.out.println("testWaitingOnMultipleMonitors");
final Object lock1 = new Object();
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
for (int i = 0; i < 3; i++) {
try {
lock1.wait(300);
} catch (InterruptedException ex) {
// ignore
}
p.arriveAndAwaitAdvance(); // phase[2-4]
}
}
p.arriveAndAwaitAdvance(); // phase[5]
}
});
lt.start();
ThreadInfo ti1 = mbean.getThreadInfo(lt.getId());
synchronized(lock1) {
p.arriveAndAwaitAdvance(); //phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
}
int phase = p.getPhase();
while ((p.arriveAndAwaitAdvance() - phase) < 3); // phase[2-4]
testWaited(ti1, () -> mbean.getThreadInfo(lt.getId()), 3);
p.arriveAndDeregister(); // phase[5]
lt.join();
printok();
}
Example 19
| Source File: SynchronizationStatistics.java From native-obfuscator with GNU General Public License v3.0 | 4 votes |
|
/**
* Tests that blocking on a nested monitor properly increases the
* blocked count at least by 1 - it is not affected by the nesting depth.
* Also asserts that the correct lock name is provided.
*/
private static void testBlockingOnNestedMonitor() throws Exception {
final Object lock1 = new Object();
final Object lock2 = new Object();
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[2]
p.arriveAndAwaitAdvance(); // phase[3]
synchronized(lock2) {
p.arriveAndAwaitAdvance(); // phase[4]
}
p.arriveAndAwaitAdvance(); // phase[5]
}
}
});
lt.start();
long tid = lt.getId();
ThreadInfo ti = mbean.getThreadInfo(tid);
String lockName = null;
synchronized(lock1) {
p.arriveAndAwaitAdvance(); // phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
do {
lockName = mbean.getThreadInfo(tid).getLockName();
} while (lockName == null);
}
p.arriveAndAwaitAdvance(); // phase[2]
ti = testBlocked(ti, () -> mbean.getThreadInfo(tid), lockName, lock1);
synchronized(lock2) {
p.arriveAndAwaitAdvance(); // phase [3]
waitForThreadState(lt, Thread.State.BLOCKED);
do {
lockName = mbean.getThreadInfo(tid).getLockName();
} while (lockName == null);
}
p.arriveAndAwaitAdvance(); // phase [4]
testBlocked(ti, () -> mbean.getThreadInfo(tid), lockName, lock2);
p.arriveAndDeregister();
lt.join();
printok();
}
Example 20
| Source File: SynchronizationStatistics.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
/**
* Tests that waiting multiple times on the same monitor subsequently
* increases the waited count by the number of subsequent calls and the
* waited time by a positive number.
*/
private static void testMultiWaitingOnSimpleMonitor() throws Exception {
System.out.println("testWaitingOnMultipleMonitors");
final Object lock1 = new Object();
final Phaser p = new Phaser(2);
LockerThread lt = newLockerThread(new Runnable() {
@Override
public void run() {
p.arriveAndAwaitAdvance(); // phase[1]
synchronized(lock1) {
System.out.println("[LockerThread obtained Lock1]");
for (int i = 0; i < 3; i++) {
try {
lock1.wait(300);
} catch (InterruptedException ex) {
// ignore
}
p.arriveAndAwaitAdvance(); // phase[2-4]
}
}
p.arriveAndAwaitAdvance(); // phase[5]
}
});
lt.start();
ThreadInfo ti1 = mbean.getThreadInfo(lt.getId());
synchronized(lock1) {
p.arriveAndAwaitAdvance(); //phase[1]
waitForThreadState(lt, Thread.State.BLOCKED);
}
int phase = p.getPhase();
while ((p.arriveAndAwaitAdvance() - phase) < 3); // phase[2-4]
testWaited(ti1, () -> mbean.getThreadInfo(lt.getId()), 3);
p.arriveAndDeregister(); // phase[5]
lt.join();
printok();
}
