Modifier and Type	Class and Description
pack-priv static class	CachingNativeMemoryAllocator.AllocatedMemoryIO
private static class	CachingNativeMemoryAllocator.AllocationGroup
private static class	CachingNativeMemoryAllocator.Allocator
private static class	CachingNativeMemoryAllocator.Bucket
private static class	CachingNativeMemoryAllocator.Magazine
private static class	CachingNativeMemoryAllocator.MemoryAllocation

Modifier and Type	Field and Description
private static final CachingNativeMemoryAllocator.Bucket[]	buckets Keeps strong references to the memory bucket until cleanup
private static final ThreadLocal<Reference<CachingNativeMemoryAllocator.Allocator>>	currentAllocator
protected static final MemoryIO	IO
private static final Map<CachingNativeMemoryAllocator.AllocationGroup, Boolean>	referenceSet

Access	Constructor and Description
pack-priv	CachingNativeMemoryAllocator()

Method Summary

Modifier and Type	Method and Description
private static long	align(long offset, long align)
pack-priv static MemoryIO	Returns: A new `org.jruby.ext.ffi.AllocatedDirectMemoryIO` allocateAligned(Ruby The Ruby runtime runtime, int The number of bytes to allocate size, int The minimum alignment of the memory align, boolean Whether the memory should be cleared (zeroed) clear) Allocates native memory, aligned to a minimum boundary.
pack-priv static int	bucketIndex(int size)
pack-priv static void	clearMemory(long address, int size)
pack-priv static int	roundUpToPowerOf2(int n)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

buckets	back to summary
private static final CachingNativeMemoryAllocator.Bucket[] buckets Keeps strong references to the memory bucket until cleanup

currentAllocator	back to summary
private static final ThreadLocal<Reference<CachingNativeMemoryAllocator.Allocator>> currentAllocator

IO	back to summary
protected static final MemoryIO IO

referenceSet	back to summary
private static final Map<CachingNativeMemoryAllocator.AllocationGroup, Boolean> referenceSet

CachingNativeMemoryAllocator	back to summary
pack-priv CachingNativeMemoryAllocator()

Method Detail

align	back to summary
private static long align(long offset, long align)

allocateAligned back to summary

allocateAligned	back to summary
pack-priv static MemoryIO allocateAligned(Ruby runtime, int size, int align, boolean clear) Allocates native memory, aligned to a minimum boundary. Parameters runtime:Ruby The Ruby runtime size:int The number of bytes to allocate align:int The minimum alignment of the memory clear:boolean Whether the memory should be cleared (zeroed) Returns:MemoryIO A new `org.jruby.ext.ffi.AllocatedDirectMemoryIO`

pack-priv static MemoryIO allocateAligned(Ruby runtime, int size, int align, boolean clear)

Allocates native memory, aligned to a minimum boundary.

Parameters

runtime:Ruby: The Ruby runtime
size:int: The number of bytes to allocate
align:int: The minimum alignment of the memory
clear:boolean: Whether the memory should be cleared (zeroed)

Returns:MemoryIO

A new org.jruby.ext.ffi.AllocatedDirectMemoryIO

bucketIndex	back to summary
pack-priv static int bucketIndex(int size)

clearMemory	back to summary
pack-priv static void clearMemory(long address, int size)

roundUpToPowerOf2	back to summary
pack-priv static int roundUpToPowerOf2(int n)

org.jruby.ext.ffi.jffi back to summary

pack-priv final Class CachingNativeMemoryAllocator.AllocatedMemoryIO

Class Inheritance

extends BoundedNativeMemoryIO
implements AllocatedDirectMemoryIO

java.lang.Object
org.jruby.ext.ffi.MemoryIO
org.jruby.ext.ffi.jffi.BoundedNativeMemoryIO
org.jruby.ext.ffi.jffi.CachingNativeMemoryAllocator.AllocatedMemoryIO

All Implemented Interfaces

org.jruby.ext.ffi.AllocatedDirectMemoryIO

Field Summary

Modifier and Type	Field and Description
private final CachingNativeMemoryAllocator.MemoryAllocation	allocation
private Object	sentinel

Inherited from org.jruby.ext.ffi.jffi.BoundedNativeMemoryIO:: ADDRESS_SIZE IO LONG_SIZE parent size

Constructor Summary

Access	Constructor and Description
private	AllocatedMemoryIO(Ruby runtime, Object sentinel, CachingNativeMemoryAllocator.MemoryAllocation allocation, int size)

Method Summary

Modifier and Type	Method and Description
public void	free() Implements org.jruby.ext.ffi.AllocatedDirectMemoryIO.free.
public boolean	isAutoRelease() Implements org.jruby.ext.ffi.AllocatedDirectMemoryIO.isAutoRelease.
public void	setAutoRelease(boolean autorelease) Implements org.jruby.ext.ffi.AllocatedDirectMemoryIO.setAutoRelease.

Field Detail

allocation	back to summary
private final CachingNativeMemoryAllocator.MemoryAllocation allocation

sentinel	back to summary
private Object sentinel

Constructor Detail

AllocatedMemoryIO	back to summary
private AllocatedMemoryIO(Ruby runtime, Object sentinel, CachingNativeMemoryAllocator.MemoryAllocation allocation, int size)

Method Detail

free	back to summary
public void free() Implements org.jruby.ext.ffi.AllocatedDirectMemoryIO.free.

isAutoRelease	back to summary
public boolean isAutoRelease() Implements org.jruby.ext.ffi.AllocatedDirectMemoryIO.isAutoRelease.

setAutoRelease	back to summary
public void setAutoRelease(boolean autorelease) Implements org.jruby.ext.ffi.AllocatedDirectMemoryIO.setAutoRelease.

org.jruby.ext.ffi.jffi back to summary

private final Class CachingNativeMemoryAllocator.AllocationGroup

Class Inheritance

extends FinalizableWeakReference<Object>

java.lang.Object
java.lang.ref.Reference
java.lang.ref.WeakReference
jnr.ffi.util.ref.FinalizableWeakReference
org.jruby.ext.ffi.jffi.CachingNativeMemoryAllocator.AllocationGroup

Field Summary

Modifier and Type	Field and Description
pack-priv final CachingNativeMemoryAllocator.Magazine	magazine

Constructor Summary

Access	Constructor and Description
pack-priv	AllocationGroup(CachingNativeMemoryAllocator.Magazine magazine, Object sentinel)

Method Summary

Modifier and Type	Method and Description
pack-priv CachingNativeMemoryAllocator.MemoryAllocation	allocate(boolean clear)
public void	finalizeReferent() Implements jnr.ffi.util.ref.FinalizableReference.finalizeReferent. Invoked on a background thread after the referent has been garbage collected unless security restrictions prevented starting a background thread, in which case this method is invoked when new references are created.

Field Detail

magazine	back to summary
pack-priv final CachingNativeMemoryAllocator.Magazine magazine

Constructor Detail

AllocationGroup	back to summary
pack-priv AllocationGroup(CachingNativeMemoryAllocator.Magazine magazine, Object sentinel)

Method Detail

allocate	back to summary
pack-priv CachingNativeMemoryAllocator.MemoryAllocation allocate(boolean clear)

finalizeReferent	back to summary
public void finalizeReferent() Implements jnr.ffi.util.ref.FinalizableReference.finalizeReferent. Doc from jnr.ffi.util.ref.FinalizableReference.finalizeReferent. Invoked on a background thread after the referent has been garbage collected unless security restrictions prevented starting a background thread, in which case this method is invoked when new references are created.

finalizeReferent

back to summary

public void finalizeReferent()

Implements jnr.ffi.util.ref.FinalizableReference.finalizeReferent.

Doc from jnr.ffi.util.ref.FinalizableReference.finalizeReferent.

Invoked on a background thread after the referent has been garbage collected unless security restrictions prevented starting a background thread, in which case this method is invoked when new references are created.

org.jruby.ext.ffi.jffi back to summary

private final Class CachingNativeMemoryAllocator.Allocator

Class Inheritance

extends Object

java.lang.Object
org.jruby.ext.ffi.jffi.CachingNativeMemoryAllocator.Allocator

Field Summary

Modifier and Type	Field and Description
pack-priv final CachingNativeMemoryAllocator.AllocationGroup[]	allocationGroups

Constructor Summary

Access	Constructor and Description
private	Allocator()

Method Summary

Modifier and Type	Method and Description
pack-priv CachingNativeMemoryAllocator.AllocatedMemoryIO	allocate(Ruby runtime, int size, boolean clear)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

allocationGroups	back to summary
pack-priv final CachingNativeMemoryAllocator.AllocationGroup[] allocationGroups

Constructor Detail

Allocator	back to summary
private Allocator()

Method Detail

allocate	back to summary
pack-priv CachingNativeMemoryAllocator.AllocatedMemoryIO allocate(Ruby runtime, int size, boolean clear)

org.jruby.ext.ffi.jffi back to summary

private final Class CachingNativeMemoryAllocator.Bucket

Class Inheritance

extends Object

java.lang.Object
org.jruby.ext.ffi.jffi.CachingNativeMemoryAllocator.Bucket

Nested and Inner Type Summary

Modifier and Type	Class and Description
pack-priv class	CachingNativeMemoryAllocator.Bucket.CacheElement

Field Summary

Modifier and Type	Field and Description
pack-priv final Set<CachingNativeMemoryAllocator.Bucket.CacheElement>	cache
pack-priv final int	size

Constructor Summary

Access	Constructor and Description
pack-priv	Bucket(int size)

Method Summary

Modifier and Type	Method and Description
pack-priv synchronized CachingNativeMemoryAllocator.Magazine	getMagazine()
pack-priv synchronized void	recycle(CachingNativeMemoryAllocator.Magazine magazine)
private synchronized void	removeCacheElement(CachingNativeMemoryAllocator.Bucket.CacheElement e)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

cache	back to summary
pack-priv final Set<CachingNativeMemoryAllocator.Bucket.CacheElement> cache

size	back to summary
pack-priv final int size

Constructor Detail

Bucket	back to summary
pack-priv Bucket(int size)

Method Detail

getMagazine	back to summary
pack-priv synchronized CachingNativeMemoryAllocator.Magazine getMagazine()

recycle	back to summary
pack-priv synchronized void recycle(CachingNativeMemoryAllocator.Magazine magazine)

removeCacheElement	back to summary
private synchronized void removeCacheElement(CachingNativeMemoryAllocator.Bucket.CacheElement e)

org.jruby.ext.ffi.jffi back to summary

pack-priv final Class CachingNativeMemoryAllocator.Bucket.CacheElement

Class Inheritance

extends FinalizableWeakReference<Object>

java.lang.Object
java.lang.ref.Reference
java.lang.ref.WeakReference
jnr.ffi.util.ref.FinalizableWeakReference
org.jruby.ext.ffi.jffi.CachingNativeMemoryAllocator.Bucket.CacheElement

Field Summary

Modifier and Type	Field and Description
private final AtomicBoolean	disposed
private final CachingNativeMemoryAllocator.Magazine	magazine

Constructor Summary

Access	Constructor and Description
pack-priv	CacheElement(CachingNativeMemoryAllocator.Magazine magazine)

Method Summary

Modifier and Type	Method and Description
public void	finalizeReferent() Implements jnr.ffi.util.ref.FinalizableReference.finalizeReferent. Invoked on a background thread after the referent has been garbage collected unless security restrictions prevented starting a background thread, in which case this method is invoked when new references are created.

Field Detail

disposed	back to summary
private final AtomicBoolean disposed

magazine	back to summary
private final CachingNativeMemoryAllocator.Magazine magazine

Constructor Detail

CacheElement	back to summary
pack-priv CacheElement(CachingNativeMemoryAllocator.Magazine magazine)

Method Detail

finalizeReferent

back to summary

public void finalizeReferent()

Implements jnr.ffi.util.ref.FinalizableReference.finalizeReferent.

Doc from jnr.ffi.util.ref.FinalizableReference.finalizeReferent.

org.jruby.ext.ffi.jffi back to summary

private final Class CachingNativeMemoryAllocator.Magazine

Class Inheritance

extends Object

java.lang.Object
org.jruby.ext.ffi.jffi.CachingNativeMemoryAllocator.Magazine

Field Summary

Modifier and Type	Field and Description
private final CachingNativeMemoryAllocator.MemoryAllocation[]	allocations
pack-priv final CachingNativeMemoryAllocator.Bucket	bucket
private volatile boolean	fragmented
pack-priv static final int	MAX_BYTES_PER_MAGAZINE
private int	nextIndex

Constructor Summary

Access	Constructor and Description
pack-priv	Magazine(CachingNativeMemoryAllocator.Bucket bucket)

Method Summary

Modifier and Type	Method and Description
pack-priv CachingNativeMemoryAllocator.MemoryAllocation	allocate(boolean clear)
pack-priv synchronized void	dispose()
pack-priv synchronized void	recycle()
pack-priv void	setFragmented()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

allocations	back to summary
private final CachingNativeMemoryAllocator.MemoryAllocation[] allocations

bucket	back to summary
pack-priv final CachingNativeMemoryAllocator.Bucket bucket

fragmented	back to summary
private volatile boolean fragmented

MAX_BYTES_PER_MAGAZINE	back to summary
pack-priv static final int MAX_BYTES_PER_MAGAZINE

nextIndex	back to summary
private int nextIndex

Constructor Detail

Magazine	back to summary
pack-priv Magazine(CachingNativeMemoryAllocator.Bucket bucket)

Method Detail

allocate	back to summary
pack-priv CachingNativeMemoryAllocator.MemoryAllocation allocate(boolean clear)

dispose	back to summary
pack-priv synchronized void dispose()

recycle	back to summary
pack-priv synchronized void recycle()

setFragmented	back to summary
pack-priv void setFragmented()

org.jruby.ext.ffi.jffi back to summary

private final Class CachingNativeMemoryAllocator.MemoryAllocation

Class Inheritance

extends Object

java.lang.Object
org.jruby.ext.ffi.jffi.CachingNativeMemoryAllocator.MemoryAllocation

Field Summary

Modifier and Type	Field and Description
pack-priv final long	address
pack-priv volatile int	flags
pack-priv final CachingNativeMemoryAllocator.Magazine	magazine
pack-priv static final int	RELEASED
pack-priv static final int	UNMANAGED

Constructor Summary

Access	Constructor and Description
pack-priv	MemoryAllocation(CachingNativeMemoryAllocator.Magazine magazine, long address)

Method Summary

Modifier and Type	Method and Description
pack-priv final void	dispose()
pack-priv final void	free()
pack-priv final boolean	isReleased()
pack-priv final boolean	isUnmanaged()
public void	setAutoRelease(boolean autorelease)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

address	back to summary
pack-priv final long address

flags	back to summary
pack-priv volatile int flags

magazine	back to summary
pack-priv final CachingNativeMemoryAllocator.Magazine magazine

RELEASED	back to summary
pack-priv static final int RELEASED

UNMANAGED	back to summary
pack-priv static final int UNMANAGED

Constructor Detail

MemoryAllocation	back to summary
pack-priv MemoryAllocation(CachingNativeMemoryAllocator.Magazine magazine, long address)

Method Detail

dispose	back to summary
pack-priv final void dispose()

free	back to summary
pack-priv final void free()

isReleased	back to summary
pack-priv final boolean isReleased()

isUnmanaged	back to summary
pack-priv final boolean isUnmanaged()

setAutoRelease	back to summary
public void setAutoRelease(boolean autorelease)