Modifier and Type	Class and Description
private static class	AllocatedNativeMemoryIO.AllocationGroup Holder for a group of memory allocations.
private static class	AllocatedNativeMemoryIO.MemoryAllocation Represents a single native memory allocation

Modifier and Type	Field and Description
private final AllocatedNativeMemoryIO.MemoryAllocation	allocation
private static final ThreadLocal<Reference<AllocatedNativeMemoryIO.AllocationGroup>>	currentBucket
private static final Map<AllocatedNativeMemoryIO.AllocationGroup, Boolean>	referenceSet Keeps strong references to the memory bucket until cleanup
private final Object	sentinel

Access	Constructor and Description
private	AllocatedNativeMemoryIO(Ruby runtime, Object sentinel, long address, int size, int align)

Modifier and Type	Method and Description
pack-priv static final AllocatedNativeMemoryIO	Returns: A new `AllocatedDirectMemoryIO` allocate(Ruby The Ruby runtime runtime, int The number of bytes to allocate size, boolean Whether the memory should be cleared (zeroed) clear) Allocates native memory
pack-priv static AllocatedNativeMemoryIO	Returns: A new `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.
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 AllocatedNativeMemoryIO.MemoryAllocation allocation

currentBucket	back to summary
private static final ThreadLocal<Reference<AllocatedNativeMemoryIO.AllocationGroup>> currentBucket

referenceSet	back to summary
private static final Map<AllocatedNativeMemoryIO.AllocationGroup, Boolean> referenceSet Keeps strong references to the memory bucket until cleanup

sentinel	back to summary
private final Object sentinel

Constructor Detail

AllocatedNativeMemoryIO	back to summary
private AllocatedNativeMemoryIO(Ruby runtime, Object sentinel, long address, int size, int align)

Method Detail

allocate back to summary

allocate	back to summary
pack-priv static final AllocatedNativeMemoryIO allocate(Ruby runtime, int size, boolean clear) Allocates native memory Parameters runtime:Ruby The Ruby runtime size:int The number of bytes to allocate clear:boolean Whether the memory should be cleared (zeroed) Returns:AllocatedNativeMemoryIO A new `AllocatedDirectMemoryIO`

pack-priv static final AllocatedNativeMemoryIO allocate(Ruby runtime, int size, boolean clear)

Allocates native memory

Parameters

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

Returns:AllocatedNativeMemoryIO

A new AllocatedDirectMemoryIO

allocateAligned back to summary

allocateAligned	back to summary
pack-priv static AllocatedNativeMemoryIO 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:AllocatedNativeMemoryIO A new `AllocatedDirectMemoryIO`

pack-priv static AllocatedNativeMemoryIO 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:AllocatedNativeMemoryIO

A new AllocatedDirectMemoryIO

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 AllocatedNativeMemoryIO.AllocationGroup

Class Inheritance

extends PhantomReferenceReaper<Object>
implements Runnable

java.lang.Object
java.lang.ref.Reference
java.lang.ref.PhantomReference
org.jruby.util.PhantomReferenceReaper
org.jruby.ext.ffi.jffi.AllocatedNativeMemoryIO.AllocationGroup

All Implemented Interfaces

java.lang.Runnable

Holder for a group of memory allocations.

Field Summary

Modifier and Type	Field and Description
private long	bytesUsed
private volatile AllocatedNativeMemoryIO.MemoryAllocation	head
public static final int	MAX_BYTES_PER_BUCKET
private final WeakReference<Object>	weakref

Constructor Summary

Access	Constructor and Description
pack-priv	AllocationGroup(Object sentinel)

Method Summary

Modifier and Type	Method and Description
pack-priv void	add(AllocatedNativeMemoryIO.MemoryAllocation m, int size)
pack-priv boolean	canAccept(int size)
public final void	run() Implements java.lang.Runnable.run. Runs this operation.
pack-priv Object	sentinel()

Field Detail

bytesUsed	back to summary
private long bytesUsed

head	back to summary
private volatile AllocatedNativeMemoryIO.MemoryAllocation head

MAX_BYTES_PER_BUCKET	back to summary
public static final int MAX_BYTES_PER_BUCKET

weakref	back to summary
private final WeakReference<Object> weakref

Constructor Detail

AllocationGroup	back to summary
pack-priv AllocationGroup(Object sentinel)

Method Detail

add	back to summary
pack-priv void add(AllocatedNativeMemoryIO.MemoryAllocation m, int size)

canAccept	back to summary
pack-priv boolean canAccept(int size)

run	back to summary
public final void run() Implements java.lang.Runnable.run. Doc from java.lang.Runnable.run. Runs this operation.

run

back to summary

public final void run()

Implements java.lang.Runnable.run.

Doc from java.lang.Runnable.run.

Runs this operation.

sentinel	back to summary
pack-priv Object sentinel()

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

private final Class AllocatedNativeMemoryIO.MemoryAllocation

Class Inheritance

extends Object

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

Represents a single native memory allocation

Field Summary

Modifier and Type	Field and Description
private final long	address
pack-priv volatile AllocatedNativeMemoryIO.MemoryAllocation	next
pack-priv volatile boolean	released
pack-priv volatile boolean	unmanaged

Constructor Summary

Access	Constructor and Description
pack-priv	MemoryAllocation(long address)

Method Summary

Modifier and Type	Method and Description
pack-priv final void	dispose()
pack-priv final void	free()

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

Field Detail

address	back to summary
private final long address

next	back to summary
pack-priv volatile AllocatedNativeMemoryIO.MemoryAllocation next

released	back to summary
pack-priv volatile boolean released

unmanaged	back to summary
pack-priv volatile boolean unmanaged

Constructor Detail

MemoryAllocation	back to summary
pack-priv MemoryAllocation(long address)

Method Detail

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

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

pack-priv final Class AllocatedNativeMemoryIO

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private final Class AllocatedNativeMemoryIO.AllocationGroup

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private final Class AllocatedNativeMemoryIO.MemoryAllocation

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail