Package org.jruby.ext.ffi.jffi

Class Factory

java.lang.Object

org.jruby.ext.ffi.Factory

org.jruby.ext.ffi.jffi.Factory

public class Factory
extends Factory

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Factory.LastError
static final class	Factory.WinapiLastError

Constructor Summary

Constructors

Constructor	Description
Factory()

Method Summary

Modifier and Type	Method	Description
int	alignmentOf(NativeType type)
MemoryIO	allocateDirectMemory(Ruby runtime, int size, boolean clear)	Allocates memory on the native C heap and wraps it in a MemoryIO accessor.
MemoryIO	allocateDirectMemory(Ruby runtime, int size, int align, boolean clear)	Allocates memory on the native C heap and wraps it in a MemoryIO accessor.
MemoryIO	allocateTransientDirectMemory(Ruby runtime, int size, int align, boolean clear)	Allocates transient native memory (not from C heap) and wraps it in a MemoryIO accessor.
CallbackManager	getCallbackManager()
void	init(Ruby runtime, RubyModule FFI)	Registers FFI ruby classes/modules
Function	newFunction(Ruby runtime, Pointer address, CallbackInfo cbInfo)
int	sizeOf(NativeType type)
MemoryIO	wrapDirectMemory(Ruby runtime, long address)	Wraps a native C memory address in a MemoryIO accessor.

Methods inherited from class org.jruby.ext.ffi.Factory

getInstance

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Factory

public Factory()

Method Details

init

public void init(Ruby runtime,
 RubyModule FFI)

Description copied from class: Factory

Registers FFI ruby classes/modules

Overrides:

init in class Factory

Parameters:

runtime - The ruby runtime

FFI - the module to register the classes under

allocateDirectMemory

public MemoryIO allocateDirectMemory(Ruby runtime,
 int size,
 boolean clear)

Allocates memory on the native C heap and wraps it in a MemoryIO accessor.

Specified by:

allocateDirectMemory in class Factory

Parameters:

size - The number of bytes to allocate.

clear - If the memory should be cleared.

Returns:

A new MemoryIO.

allocateDirectMemory

public MemoryIO allocateDirectMemory(Ruby runtime,
 int size,
 int align,
 boolean clear)

Allocates memory on the native C heap and wraps it in a MemoryIO accessor.

Specified by:

allocateDirectMemory in class Factory

Parameters:

size - The number of bytes to allocate.

align - The minimum alignment of the memory

clear - If the memory should be cleared.

Returns:

A new MemoryIO.

allocateTransientDirectMemory

public MemoryIO allocateTransientDirectMemory(Ruby runtime,
 int size,
 int align,
 boolean clear)

Description copied from class: Factory

Allocates transient native memory (not from C heap) and wraps it in a MemoryIO accessor.

Specified by:

allocateTransientDirectMemory in class Factory

Parameters:

size - The number of bytes to allocate.

align - The minimum alignment of the memory

clear - If the memory should be cleared.

Returns:

A new AllocatedDirectMemoryIO.

wrapDirectMemory

public MemoryIO wrapDirectMemory(Ruby runtime,
 long address)

Description copied from class: Factory

Wraps a native C memory address in a MemoryIO accessor.

Specified by:

wrapDirectMemory in class Factory

Parameters:

address - The native address to wrap.

Returns:

A new MemoryIO.

newFunction

public Function newFunction(Ruby runtime,
 Pointer address,
 CallbackInfo cbInfo)

Specified by:

newFunction in class Factory

getCallbackManager

public CallbackManager getCallbackManager()

Specified by:

getCallbackManager in class Factory

sizeOf

public int sizeOf(NativeType type)

Specified by:

sizeOf in class Factory

alignmentOf

public int alignmentOf(NativeType type)

Specified by:

alignmentOf in class Factory