Package org.lwjgl.system.libffi
Class FFIClosure
java.lang.Object
org.lwjgl.system.Pointer.Default
org.lwjgl.system.Struct
org.lwjgl.system.libffi.FFIClosure
- All Implemented Interfaces:
AutoCloseable
,org.lwjgl.system.NativeResource
,org.lwjgl.system.Pointer
public class FFIClosure
extends org.lwjgl.system.Struct
implements org.lwjgl.system.NativeResource
The libffi closure structure.
Layout
struct ffi_closure {
ffi_cif
* cif()
;
void (*)(ffi_cif*,void*,void**,void*) fun()
;
void * user_data()
;
}
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Nested Class Summary
Nested classes/interfaces inherited from class org.lwjgl.system.Struct
org.lwjgl.system.Struct.StructValidation
Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer
org.lwjgl.system.Pointer.Default
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Field Summary
Modifier and TypeFieldDescriptionstatic final int
The struct alignment in bytes.static final int
The struct member offsets.static final int
The struct member offsets.static final int
The struct size in bytes.static final int
The struct member offsets.Fields inherited from interface org.lwjgl.system.Pointer
BITS32, BITS64, CLONG_SHIFT, CLONG_SIZE, POINTER_SHIFT, POINTER_SIZE
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Constructor Summary
ConstructorDescriptionFFIClosure
(ByteBuffer container) Creates aFFIClosure
instance at the current position of the specifiedByteBuffer
container. -
Method Summary
Modifier and TypeMethodDescriptionstatic FFIClosure
calloc()
Returns a newFFIClosure
instance allocated withmemCalloc
.static FFIClosure.Buffer
calloc
(int capacity) Returns a newFFIClosure.Buffer
instance allocated withmemCalloc
.static FFIClosure.Buffer
calloc
(int capacity, org.lwjgl.system.MemoryStack stack) Returns a newFFIClosure.Buffer
instance allocated on the specifiedMemoryStack
and initializes all its bits to zero.static FFIClosure
calloc
(org.lwjgl.system.MemoryStack stack) Returns a newFFIClosure
instance allocated on the specifiedMemoryStack
and initializes all its bits to zero.cif()
a pointer to anffi_cif
structurestatic FFIClosure
create()
Returns a newFFIClosure
instance allocated withBufferUtils
.static FFIClosure.Buffer
create
(int capacity) Returns a newFFIClosure.Buffer
instance allocated withBufferUtils
.static FFIClosure
create
(long address) Returns a newFFIClosure
instance for the specified memory address.static FFIClosure.Buffer
create
(long address, int capacity) Create aFFIClosure.Buffer
instance at the specified memory.static FFIClosure
createSafe
(long address) static FFIClosure.Buffer
createSafe
(long address, int capacity) long
fun()
a pointer to a functionstatic FFIClosure
malloc()
Returns a newFFIClosure
instance allocated withmemAlloc
.static FFIClosure.Buffer
malloc
(int capacity) Returns a newFFIClosure.Buffer
instance allocated withmemAlloc
.static FFIClosure.Buffer
malloc
(int capacity, org.lwjgl.system.MemoryStack stack) Returns a newFFIClosure.Buffer
instance allocated on the specifiedMemoryStack
.static FFIClosure
malloc
(org.lwjgl.system.MemoryStack stack) Returns a newFFIClosure
instance allocated on the specifiedMemoryStack
.static FFICIF
ncif
(long struct) Unsafe version ofcif()
.static long
nfun
(long struct) Unsafe version offun()
.static long
nuser_data
(long struct) Unsafe version ofuser_data()
.int
sizeof()
long
a pointer to user-specified dataMethods inherited from class org.lwjgl.system.Struct
clear, free, isNull, validate
Methods inherited from class org.lwjgl.system.Pointer.Default
address, equals, hashCode, toString
Methods inherited from interface org.lwjgl.system.NativeResource
close, free
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Field Details
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SIZEOF
public static final int SIZEOFThe struct size in bytes. -
ALIGNOF
public static final int ALIGNOFThe struct alignment in bytes. -
CIF
public static final int CIFThe struct member offsets. -
FUN
public static final int FUNThe struct member offsets. -
USER_DATA
public static final int USER_DATAThe struct member offsets.
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Constructor Details
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FFIClosure
Creates aFFIClosure
instance at the current position of the specifiedByteBuffer
container. Changes to the buffer's content will be visible to the struct instance and vice versa.The created instance holds a strong reference to the container object.
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Method Details
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sizeof
public int sizeof()- Specified by:
sizeof
in classorg.lwjgl.system.Struct
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cif
a pointer to anffi_cif
structure -
fun
public long fun()a pointer to a function -
user_data
public long user_data()a pointer to user-specified data -
malloc
Returns a newFFIClosure
instance allocated withmemAlloc
. The instance must be explicitly freed. -
calloc
Returns a newFFIClosure
instance allocated withmemCalloc
. The instance must be explicitly freed. -
create
Returns a newFFIClosure
instance allocated withBufferUtils
. -
create
Returns a newFFIClosure
instance for the specified memory address. -
createSafe
-
malloc
Returns a newFFIClosure.Buffer
instance allocated withmemAlloc
. The instance must be explicitly freed.- Parameters:
capacity
- the buffer capacity
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calloc
Returns a newFFIClosure.Buffer
instance allocated withmemCalloc
. The instance must be explicitly freed.- Parameters:
capacity
- the buffer capacity
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create
Returns a newFFIClosure.Buffer
instance allocated withBufferUtils
.- Parameters:
capacity
- the buffer capacity
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create
Create aFFIClosure.Buffer
instance at the specified memory.- Parameters:
address
- the memory addresscapacity
- the buffer capacity
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createSafe
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malloc
Returns a newFFIClosure
instance allocated on the specifiedMemoryStack
.- Parameters:
stack
- the stack from which to allocate
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calloc
Returns a newFFIClosure
instance allocated on the specifiedMemoryStack
and initializes all its bits to zero.- Parameters:
stack
- the stack from which to allocate
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malloc
Returns a newFFIClosure.Buffer
instance allocated on the specifiedMemoryStack
.- Parameters:
capacity
- the buffer capacitystack
- the stack from which to allocate
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calloc
Returns a newFFIClosure.Buffer
instance allocated on the specifiedMemoryStack
and initializes all its bits to zero.- Parameters:
capacity
- the buffer capacitystack
- the stack from which to allocate
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ncif
Unsafe version ofcif()
. -
nfun
public static long nfun(long struct) Unsafe version offun()
. -
nuser_data
public static long nuser_data(long struct) Unsafe version ofuser_data()
.
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