Java Code Examples for sun.misc.VM#maxDirectMemory()
The following examples show how to use
sun.misc.VM#maxDirectMemory() .
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Example 1
| 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 2
| Source File: Bits.java From Java8CN 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 3
| Source File: Bits.java From openjdk-8-source 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 4
| Source File: Bits.java From openjdk-8 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 5
| Source File: Bits.java From jdk8u-jdk 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 6
| 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 7
| Source File: Bits.java From jdk8u-dev-jdk 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 8
| Source File: Bits.java From jdk1.8-source-analysis with Apache License 2.0 | 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 9
| 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 10
| Source File: Bits.java From TencentKona-8 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 11
| Source File: Bits.java From JDKSourceCode1.8 with MIT License | 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 12
| Source File: Bits.java From openjdk-jdk8u 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 13
| Source File: Bits.java From openjdk-jdk8u-backup 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 14
| 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 15
| Source File: Bits.java From hottub 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 16
| 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();
}
}
}
