Java Code Examples for sun.misc.VM#isBooted()
The following examples show how to use
sun.misc.VM#isBooted() .
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Example 1
| Source File: Finalizer.java From Java8CN with Apache License 2.0 | 6 votes |
|
static void runAllFinalizers() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f;
synchronized (lock) {
f = unfinalized;
if (f == null) break;
unfinalized = f.next;
}
f.runFinalizer(jla);
}}});
}
Example 2
| Source File: Finalizer.java From JDKSourceCode1.8 with MIT License | 6 votes |
|
static void runAllFinalizers() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
// in case of recursive call to run()
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f;
synchronized (lock) {
f = unfinalized;
if (f == null) break;
unfinalized = f.next;
}
f.runFinalizer(jla);
}}});
}
Example 3
| Source File: Finalizer.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
|
static void runFinalization() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
// in case of recursive call to run()
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f = (Finalizer)queue.poll();
if (f == null) break;
f.runFinalizer(jla);
}
}
});
}
Example 4
| Source File: Finalizer.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
|
static void runFinalization() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f = (Finalizer)queue.poll();
if (f == null) break;
f.runFinalizer(jla);
}
}
});
}
Example 5
| Source File: Finalizer.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
static void runFinalization() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f = (Finalizer)queue.poll();
if (f == null) break;
f.runFinalizer(jla);
}
}
});
}
Example 6
| Source File: Finalizer.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
|
static void runAllFinalizers() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
// in case of recursive call to run()
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f;
synchronized (lock) {
f = unfinalized;
if (f == null) break;
unfinalized = f.next;
}
f.runFinalizer(jla);
}}});
}
Example 7
| Source File: Finalizer.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
|
static void runFinalization() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f = (Finalizer)queue.poll();
if (f == null) break;
f.runFinalizer(jla);
}
}
});
}
Example 8
| Source File: Finalizer.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
|
static void runAllFinalizers() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f;
synchronized (lock) {
f = unfinalized;
if (f == null) break;
unfinalized = f.next;
}
f.runFinalizer(jla);
}}});
}
Example 9
| Source File: Finalizer.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
|
private void add() {
synchronized (lock) {
if (VM.isBooted() && TenantGlobals.isDataIsolationEnabled() && TenantContainer.current() != null) {
TenantData td = TenantContainer.current().getTenantData();
Finalizer tenantUnfinalized = td.getFieldValue(Finalizer.class, ID_UNFINALIZED);
if (tenantUnfinalized != null) {
this.next = tenantUnfinalized;
tenantUnfinalized.prev = this;
}
td.setFieldValue(Finalizer.class, ID_UNFINALIZED, this);
} else {
if (unfinalized != null) {
this.next = unfinalized;
unfinalized.prev = this;
}
unfinalized = this;
}
}
}
Example 10
| Source File: Finalizer.java From hottub with GNU General Public License v2.0 | 6 votes |
|
static void runFinalization() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f = (Finalizer)queue.poll();
if (f == null) break;
f.runFinalizer(jla);
}
}
});
}
Example 11
| Source File: Finalizer.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
|
static void runAllFinalizers() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f;
synchronized (lock) {
f = unfinalized;
if (f == null) break;
unfinalized = f.next;
}
f.runFinalizer(jla);
}}});
}
Example 12
| Source File: Finalizer.java From jdk-1.7-annotated with Apache License 2.0 | 6 votes |
|
static void runFinalization() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f = (Finalizer)queue.poll();
if (f == null) break;
f.runFinalizer(jla);
}
}
});
}
Example 13
| Source File: Finalizer.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
static void runAllFinalizers() {
if (!VM.isBooted()) {
return;
}
forkSecondaryFinalizer(new Runnable() {
private volatile boolean running;
public void run() {
// in case of recursive call to run()
if (running)
return;
final JavaLangAccess jla = SharedSecrets.getJavaLangAccess();
running = true;
for (;;) {
Finalizer f;
if (TenantGlobals.isDataIsolationEnabled() && TenantContainer.current() != null) {
TenantData td = TenantContainer.current().getTenantData();
synchronized (lock) {
f = td.getFieldValue(Finalizer.class, ID_UNFINALIZED);
if (f == null) break;
td.setFieldValue(Finalizer.class, ID_UNFINALIZED, f.next);
}
} else {
synchronized (lock) {
f = unfinalized;
if (f == null) break;
unfinalized = f.next;
}
}
f.runFinalizer(jla);
}}});
}
Example 14
| Source File: Bits.java From jdk-1.7-annotated with Apache License 2.0 | 5 votes |
|
static void reserveMemory(long size, int cap) {
synchronized (Bits.class) {
if (!memoryLimitSet && VM.isBooted()) {
maxMemory = VM.maxDirectMemory();
memoryLimitSet = true;
}
// -XX:MaxDirectMemorySize limits the total capacity rather than the
// actual memory usage, which will differ when buffers are page
// aligned.
if (cap <= maxMemory - totalCapacity) {
reservedMemory += size;
totalCapacity += cap;
count++;
return;
}
}
System.gc();
try {
Thread.sleep(100);
} catch (InterruptedException x) {
// Restore interrupt status
Thread.currentThread().interrupt();
}
synchronized (Bits.class) {
if (totalCapacity + cap > maxMemory)
throw new OutOfMemoryError("Direct buffer memory");
reservedMemory += size;
totalCapacity += cap;
count++;
}
}
Example 15
| Source File: Finalizer.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
static ReferenceQueue<Object> getQueue() {
if (VM.isBooted() && TenantGlobals.isDataIsolationEnabled() && TenantContainer.current() != null) {
return TenantContainer.current().getFieldValue(Finalizer.class, "queue",
Finalizer::initTenantReferenceQueue);
} else {
return queue;
}
}
Example 16
| Source File: Bits.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
static void reserveMemory(long size, int cap) {
synchronized (Bits.class) {
if (!memoryLimitSet && VM.isBooted()) {
maxMemory = VM.maxDirectMemory();
memoryLimitSet = true;
}
// -XX:MaxDirectMemorySize limits the total capacity rather than the
// actual memory usage, which will differ when buffers are page
// aligned.
if (cap <= maxMemory - totalCapacity) {
reservedMemory += size;
totalCapacity += cap;
count++;
return;
}
}
System.gc();
try {
Thread.sleep(100);
} catch (InterruptedException x) {
// Restore interrupt status
Thread.currentThread().interrupt();
}
synchronized (Bits.class) {
if (totalCapacity + cap > maxMemory)
throw new OutOfMemoryError("Direct buffer memory");
reservedMemory += size;
totalCapacity += cap;
count++;
}
}
Example 17
| Source File: Bits.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
static void reserveMemory(long size, int cap) {
if (!memoryLimitSet && VM.isBooted()) {
maxMemory = VM.maxDirectMemory();
memoryLimitSet = true;
}
// optimist!
if (tryReserveMemory(size, cap)) {
return;
}
final JavaLangRefAccess jlra = SharedSecrets.getJavaLangRefAccess();
// retry while helping enqueue pending Reference objects
// which includes executing pending Cleaner(s) which includes
// Cleaner(s) that free direct buffer memory
while (jlra.tryHandlePendingReference()) {
if (tryReserveMemory(size, cap)) {
return;
}
}
// trigger VM's Reference processing
System.gc();
// a retry loop with exponential back-off delays
// (this gives VM some time to do it's job)
boolean interrupted = false;
try {
long sleepTime = 1;
int sleeps = 0;
while (true) {
if (tryReserveMemory(size, cap)) {
return;
}
if (sleeps >= MAX_SLEEPS) {
break;
}
if (!jlra.tryHandlePendingReference()) {
try {
Thread.sleep(sleepTime);
sleepTime <<= 1;
sleeps++;
} catch (InterruptedException e) {
interrupted = true;
}
}
}
// no luck
throw new OutOfMemoryError("Direct buffer memory");
} finally {
if (interrupted) {
// don't swallow interrupts
Thread.currentThread().interrupt();
}
}
}
Example 18
| Source File: Bits.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
static void reserveMemory(long size, int cap) {
if (!memoryLimitSet && VM.isBooted()) {
maxMemory = VM.maxDirectMemory();
memoryLimitSet = true;
}
// optimist!
if (tryReserveMemory(size, cap)) {
return;
}
final JavaLangRefAccess jlra = SharedSecrets.getJavaLangRefAccess();
// retry while helping enqueue pending Reference objects
// which includes executing pending Cleaner(s) which includes
// Cleaner(s) that free direct buffer memory
while (jlra.tryHandlePendingReference()) {
if (tryReserveMemory(size, cap)) {
return;
}
}
// trigger VM's Reference processing
System.gc();
// a retry loop with exponential back-off delays
// (this gives VM some time to do it's job)
boolean interrupted = false;
try {
long sleepTime = 1;
int sleeps = 0;
while (true) {
if (tryReserveMemory(size, cap)) {
return;
}
if (sleeps >= MAX_SLEEPS) {
break;
}
if (!jlra.tryHandlePendingReference()) {
try {
Thread.sleep(sleepTime);
sleepTime <<= 1;
sleeps++;
} catch (InterruptedException e) {
interrupted = true;
}
}
}
// no luck
throw new OutOfMemoryError("Direct buffer memory");
} finally {
if (interrupted) {
// don't swallow interrupts
Thread.currentThread().interrupt();
}
}
}
Example 19
| Source File: Bits.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
static void reserveMemory(long size, int cap) {
if (!memoryLimitSet && VM.isBooted()) {
maxMemory = VM.maxDirectMemory();
memoryLimitSet = true;
}
// optimist!
if (tryReserveMemory(size, cap)) {
return;
}
final JavaLangRefAccess jlra = SharedSecrets.getJavaLangRefAccess();
// retry while helping enqueue pending Reference objects
// which includes executing pending Cleaner(s) which includes
// Cleaner(s) that free direct buffer memory
while (jlra.tryHandlePendingReference()) {
if (tryReserveMemory(size, cap)) {
return;
}
}
// trigger VM's Reference processing
System.gc();
// a retry loop with exponential back-off delays
// (this gives VM some time to do it's job)
boolean interrupted = false;
try {
long sleepTime = 1;
int sleeps = 0;
while (true) {
if (tryReserveMemory(size, cap)) {
return;
}
if (sleeps >= MAX_SLEEPS) {
break;
}
if (!jlra.tryHandlePendingReference()) {
try {
Thread.sleep(sleepTime);
sleepTime <<= 1;
sleeps++;
} catch (InterruptedException e) {
interrupted = true;
}
}
}
// no luck
throw new OutOfMemoryError("Direct buffer memory");
} finally {
if (interrupted) {
// don't swallow interrupts
Thread.currentThread().interrupt();
}
}
}
Example 20
| Source File: System.java From dragonwell8_jdk with GNU General Public License v2.0 | 3 votes |
|
/**
* Gets the system property indicated by the specified key.
* <p>
* First, if there is a security manager, its
* <code>checkPropertyAccess</code> method is called with the key as
* its argument. This may result in a SecurityException.
* <p>
* If there is no current set of system properties, a set of system
* properties is first created and initialized in the same manner as
* for the <code>getProperties</code> method.
*
* @param key the name of the system property.
* @return the string value of the system property,
* or <code>null</code> if there is no property with that key.
*
* @exception SecurityException if a security manager exists and its
* <code>checkPropertyAccess</code> method doesn't allow
* access to the specified system property.
* @exception NullPointerException if <code>key</code> is
* <code>null</code>.
* @exception IllegalArgumentException if <code>key</code> is empty.
* @see #setProperty
* @see java.lang.SecurityException
* @see java.lang.SecurityManager#checkPropertyAccess(java.lang.String)
* @see java.lang.System#getProperties()
*/
public static String getProperty(String key) {
checkKey(key);
SecurityManager sm = getSecurityManager();
if (sm != null) {
sm.checkPropertyAccess(key);
}
if(VM.isBooted() && TenantGlobals.isDataIsolationEnabled()
&& null != TenantContainer.current()) {
return TenantContainer.current().getProperty(key);
} else {
return props.getProperty(key);
}
}
