java.lang.Object
- org.lwjgl.system.Pointer.Default
- - org.lwjgl.system.Struct
  - - org.lwjgl.system.linux.Msghdr

All Implemented Interfaces:: java.lang.AutoCloseable, org.lwjgl.system.NativeResource, org.lwjgl.system.Pointer

public class Msghdr
extends org.lwjgl.system.Struct
implements org.lwjgl.system.NativeResource

Layout


 struct msghdr {
     void * msg_name();
     socklen_t msg_namelen();
     struct iovec * msg_iov();
     size_t msg_iovlen();
     void * msg_control();
     size_t msg_controllen();
     int msg_flags();
 }

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class Msghdr.Buffer
An array of Msghdr structs.
- Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer
  org.lwjgl.system.Pointer.Default
- Nested classes/interfaces inherited from class org.lwjgl.system.Struct
  org.lwjgl.system.Struct.StructValidation

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ALIGNOF`	The struct alignment in bytes.
`static int`	`MSG_CONTROL MSG_CONTROLLEN MSG_FLAGS MSG_IOV MSG_IOVLEN MSG_NAME MSG_NAMELEN`	The struct member offsets.
`static int`	`SIZEOF`	The struct size in bytes.

Fields inherited from interface org.lwjgl.system.Pointer
BITS32, BITS64, CLONG_SHIFT, CLONG_SIZE, POINTER_SHIFT, POINTER_SIZE

Constructor Summary

Constructors
Constructor Description

Msghdr(java.nio.ByteBuffer container)
Creates a Msghdr instance at the current position of the specified ByteBuffer container.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static Msghdr`	`calloc()`	Returns a new `Msghdr` instance allocated with `memCalloc`.
`static Msghdr.Buffer`	`calloc(int capacity)`	Returns a new `Msghdr.Buffer` instance allocated with `memCalloc`.
`static Msghdr.Buffer`	`calloc(int capacity, org.lwjgl.system.MemoryStack stack)`	Returns a new `Msghdr.Buffer` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static Msghdr`	`calloc(org.lwjgl.system.MemoryStack stack)`	Returns a new `Msghdr` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static Msghdr`	`create()`	Returns a new `Msghdr` instance allocated with `BufferUtils`.
`static Msghdr.Buffer`	`create(int capacity)`	Returns a new `Msghdr.Buffer` instance allocated with `BufferUtils`.
`static Msghdr`	`create(long address)`	Returns a new `Msghdr` instance for the specified memory address.
`static Msghdr.Buffer`	`create(long address, int capacity)`	Create a `Msghdr.Buffer` instance at the specified memory.
`static Msghdr`	`createSafe(long address)`	Like `create`, but returns `null` if `address` is `NULL`.
`static Msghdr.Buffer`	`createSafe(long address, int capacity)`	Like `create`, but returns `null` if `address` is `NULL`.
`static Msghdr`	`malloc()`	Returns a new `Msghdr` instance allocated with `memAlloc`.
`static Msghdr.Buffer`	`malloc(int capacity)`	Returns a new `Msghdr.Buffer` instance allocated with `memAlloc`.
`static Msghdr.Buffer`	`malloc(int capacity, org.lwjgl.system.MemoryStack stack)`	Returns a new `Msghdr.Buffer` instance allocated on the specified `MemoryStack`.
`static Msghdr`	`malloc(org.lwjgl.system.MemoryStack stack)`	Returns a new `Msghdr` instance allocated on the specified `MemoryStack`.
`java.nio.ByteBuffer`	`msg_control()`	ancillary data (eg BSD filedesc passing)
`Msghdr`	`msg_control(java.nio.ByteBuffer value)`	Sets the address of the specified `ByteBuffer` to the `msg_control()` field.
`long`	`msg_controllen()`	ancillary data buffer length
`int`	`msg_flags()`	flags on received message
`Msghdr`	`msg_flags(int value)`	Sets the specified value to the `msg_flags()` field.
`IOVec.Buffer`	`msg_iov()`	vector of data to send/receive into
`Msghdr`	`msg_iov(IOVec.Buffer value)`	Sets the address of the specified `IOVec.Buffer` to the `msg_iov()` field.
`long`	`msg_iovlen()`	number of elements in the vector
`java.nio.ByteBuffer`	`msg_name()`	address to send to/receive from
`Msghdr`	`msg_name(java.nio.ByteBuffer value)`	Sets the address of the specified `ByteBuffer` to the `msg_name()` field.
`int`	`msg_namelen()`	length of `address` data
`static java.nio.ByteBuffer`	`nmsg_control(long struct)`	Unsafe version of `msg_control`.
`static void`	`nmsg_control(long struct, java.nio.ByteBuffer value)`	Unsafe version of `msg_control`.
`static long`	`nmsg_controllen(long struct)`	Unsafe version of `msg_controllen()`.
`static void`	`nmsg_controllen(long struct, long value)`	Sets the specified value to the `msg_controllen` field of the specified `struct`.
`static int`	`nmsg_flags(long struct)`	Unsafe version of `msg_flags()`.
`static void`	`nmsg_flags(long struct, int value)`	Unsafe version of `msg_flags`.
`static IOVec.Buffer`	`nmsg_iov(long struct)`	Unsafe version of `msg_iov()`.
`static void`	`nmsg_iov(long struct, IOVec.Buffer value)`	Unsafe version of `msg_iov`.
`static long`	`nmsg_iovlen(long struct)`	Unsafe version of `msg_iovlen()`.
`static void`	`nmsg_iovlen(long struct, long value)`	Sets the specified value to the `msg_iovlen` field of the specified `struct`.
`static java.nio.ByteBuffer`	`nmsg_name(long struct)`	Unsafe version of `msg_name`.
`static void`	`nmsg_name(long struct, java.nio.ByteBuffer value)`	Unsafe version of `msg_name`.
`static int`	`nmsg_namelen(long struct)`	Unsafe version of `msg_namelen()`.
`static void`	`nmsg_namelen(long struct, int value)`	Sets the specified value to the `msg_namelen` field of the specified `struct`.
`Msghdr`	`set(java.nio.ByteBuffer msg_name, IOVec.Buffer msg_iov, java.nio.ByteBuffer msg_control, int msg_flags)`	Initializes this struct with the specified values.
`Msghdr`	`set(Msghdr src)`	Copies the specified struct data to this struct.
`int`	`sizeof()`
`static void`	`validate(long struct)`	Validates pointer members that should not be `NULL`.

Methods inherited from interface org.lwjgl.system.NativeResource
close, free

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

Methods inherited from class org.lwjgl.system.Pointer.Default
address, equals, hashCode, toString

Methods inherited from class org.lwjgl.system.Struct
clear, free, isNull, validate

- Field Detail
  - SIZEOF
    
    The struct size in bytes.
  - ALIGNOF
    
    The struct alignment in bytes.
  - MSG_NAME, MSG_NAMELEN, MSG_IOV, MSG_IOVLEN, MSG_CONTROL, MSG_CONTROLLEN, MSG_FLAGS
    
    The struct member offsets.
- Constructor Detail
  - Msghdr
```
public Msghdr(java.nio.ByteBuffer container)
```
    Creates a Msghdr instance at the current position of the specified ByteBuffer 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.
- Method Detail
  - sizeof
```
public int sizeof()
```
    Specified by:
    
    sizeof in class org.lwjgl.system.Struct
  - msg_name
```
public java.nio.ByteBuffer msg_name()
```
    address to send to/receive from
  - msg_namelen
```
public int msg_namelen()
```
    length of address data
  - msg_iov
```
public IOVec.Buffer msg_iov()
```
    vector of data to send/receive into
  - msg_iovlen
```
public long msg_iovlen()
```
    number of elements in the vector
  - msg_control
```
public java.nio.ByteBuffer msg_control()
```
    ancillary data (eg BSD filedesc passing)
  - msg_controllen
```
public long msg_controllen()
```
    ancillary data buffer length
  - msg_flags
```
public int msg_flags()
```
    flags on received message
  - msg_name
```
public Msghdr msg_name(java.nio.ByteBuffer value)
```
    Sets the address of the specified ByteBuffer to the msg_name() field.
  - msg_iov
```
public Msghdr msg_iov(IOVec.Buffer value)
```
    Sets the address of the specified IOVec.Buffer to the msg_iov() field.
  - msg_control
```
public Msghdr msg_control(java.nio.ByteBuffer value)
```
    Sets the address of the specified ByteBuffer to the msg_control() field.
  - msg_flags
```
public Msghdr msg_flags(int value)
```
    Sets the specified value to the msg_flags() field.
  - set
```
public Msghdr set(java.nio.ByteBuffer msg_name,
                  IOVec.Buffer msg_iov,
                  java.nio.ByteBuffer msg_control,
                  int msg_flags)
```
    Initializes this struct with the specified values.
  - set
```
public Msghdr set(Msghdr src)
```
    Copies the specified struct data to this struct.
    
    Parameters:
    
    src - the source struct
    
    Returns:
    
    this struct
  - malloc
```
public static Msghdr malloc()
```
    Returns a new Msghdr instance allocated with memAlloc. The instance must be explicitly freed.
  - calloc
```
public static Msghdr calloc()
```
    Returns a new Msghdr instance allocated with memCalloc. The instance must be explicitly freed.
  - create
```
public static Msghdr create()
```
    Returns a new Msghdr instance allocated with BufferUtils.
  - create
```
public static Msghdr create(long address)
```
    Returns a new Msghdr instance for the specified memory address.
  - createSafe
```
@Nullable
public static Msghdr createSafe(long address)
```
    Like create, but returns null if address is NULL.
  - malloc
```
public static Msghdr.Buffer malloc(int capacity)
```
    Returns a new Msghdr.Buffer instance allocated with memAlloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - calloc
```
public static Msghdr.Buffer calloc(int capacity)
```
    Returns a new Msghdr.Buffer instance allocated with memCalloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static Msghdr.Buffer create(int capacity)
```
    Returns a new Msghdr.Buffer instance allocated with BufferUtils.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static Msghdr.Buffer create(long address,
                                   int capacity)
```
    Create a Msghdr.Buffer instance at the specified memory.
    
    Parameters:
    
    address - the memory address
    
    capacity - the buffer capacity
  - createSafe
```
@Nullable
public static Msghdr.Buffer createSafe(long address,
                                       int capacity)
```
    Like create, but returns null if address is NULL.
  - malloc
```
public static Msghdr malloc(org.lwjgl.system.MemoryStack stack)
```
    Returns a new Msghdr instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
  - calloc
```
public static Msghdr calloc(org.lwjgl.system.MemoryStack stack)
```
    Returns a new Msghdr instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
  - malloc
```
public static Msghdr.Buffer malloc(int capacity,
                                   org.lwjgl.system.MemoryStack stack)
```
    Returns a new Msghdr.Buffer instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - calloc
```
public static Msghdr.Buffer calloc(int capacity,
                                   org.lwjgl.system.MemoryStack stack)
```
    Returns a new Msghdr.Buffer instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - nmsg_name
```
public static java.nio.ByteBuffer nmsg_name(long struct)
```
    Unsafe version of msg_name.
  - nmsg_namelen
```
public static int nmsg_namelen(long struct)
```
    Unsafe version of msg_namelen().
  - nmsg_iov
```
public static IOVec.Buffer nmsg_iov(long struct)
```
    Unsafe version of msg_iov().
  - nmsg_iovlen
```
public static long nmsg_iovlen(long struct)
```
    Unsafe version of msg_iovlen().
  - nmsg_control
```
public static java.nio.ByteBuffer nmsg_control(long struct)
```
    Unsafe version of msg_control.
  - nmsg_controllen
```
public static long nmsg_controllen(long struct)
```
    Unsafe version of msg_controllen().
  - nmsg_flags
```
public static int nmsg_flags(long struct)
```
    Unsafe version of msg_flags().
  - nmsg_name
```
public static void nmsg_name(long struct,
                             java.nio.ByteBuffer value)
```
    Unsafe version of msg_name.
  - nmsg_namelen
```
public static void nmsg_namelen(long struct,
                                int value)
```
    Sets the specified value to the msg_namelen field of the specified struct.
  - nmsg_iov
```
public static void nmsg_iov(long struct,
                            IOVec.Buffer value)
```
    Unsafe version of msg_iov.
  - nmsg_iovlen
```
public static void nmsg_iovlen(long struct,
                               long value)
```
    Sets the specified value to the msg_iovlen field of the specified struct.
  - nmsg_control
```
public static void nmsg_control(long struct,
                                java.nio.ByteBuffer value)
```
    Unsafe version of msg_control.
  - nmsg_controllen
```
public static void nmsg_controllen(long struct,
                                   long value)
```
    Sets the specified value to the msg_controllen field of the specified struct.
  - nmsg_flags
```
public static void nmsg_flags(long struct,
                              int value)
```
    Unsafe version of msg_flags.
  - validate
```
public static void validate(long struct)
```
    Validates pointer members that should not be NULL.
    
    Parameters:
    
    struct - the struct to validate

Class Msghdr

Layout

Nested Class Summary

Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer

Nested classes/interfaces inherited from class org.lwjgl.system.Struct

Field Summary

Fields inherited from interface org.lwjgl.system.Pointer

Constructor Summary

Method Summary

Methods inherited from interface org.lwjgl.system.NativeResource

Methods inherited from class java.lang.Object

Methods inherited from class org.lwjgl.system.Pointer.Default

Methods inherited from class org.lwjgl.system.Struct

Field Detail

SIZEOF

ALIGNOF

MSG_NAME, MSG_NAMELEN, MSG_IOV, MSG_IOVLEN, MSG_CONTROL, MSG_CONTROLLEN, MSG_FLAGS

Constructor Detail

Msghdr

Method Detail

sizeof

msg_name

msg_namelen

msg_iov

msg_iovlen

msg_control

msg_controllen

msg_flags

msg_name

msg_iov

msg_control

msg_flags

set

set

malloc

calloc

create

create

createSafe

malloc

calloc

create

create

createSafe

malloc

calloc

malloc

calloc

nmsg_name

nmsg_namelen

nmsg_iov

nmsg_iovlen

nmsg_control

nmsg_controllen

nmsg_flags

nmsg_name

nmsg_namelen

nmsg_iov

nmsg_iovlen

nmsg_control

nmsg_controllen

nmsg_flags

validate