Package org.lwjgl.system.linux
Class Flock
- java.lang.Object
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- org.lwjgl.system.Pointer.Default
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- org.lwjgl.system.Struct
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- org.lwjgl.system.linux.Flock
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- All Implemented Interfaces:
java.lang.AutoCloseable
,org.lwjgl.system.NativeResource
,org.lwjgl.system.Pointer
public class Flock extends org.lwjgl.system.Struct implements org.lwjgl.system.NativeResource
Layout
struct flock64 { short
l_type()
; shortl_whence()
; off_tl_start()
; off_tl_len()
; pid_tl_pid()
; }
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
Flock.Buffer
An array ofFlock
structs.
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Constructor Summary
Constructors Constructor Description Flock(java.nio.ByteBuffer container)
Creates aFlock
instance at the current position of the specifiedByteBuffer
container.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static Flock
calloc()
Returns a newFlock
instance allocated withmemCalloc
.static Flock.Buffer
calloc(int capacity)
Returns a newFlock.Buffer
instance allocated withmemCalloc
.static Flock.Buffer
calloc(int capacity, org.lwjgl.system.MemoryStack stack)
Returns a newFlock.Buffer
instance allocated on the specifiedMemoryStack
and initializes all its bits to zero.static Flock
calloc(org.lwjgl.system.MemoryStack stack)
Returns a newFlock
instance allocated on the specifiedMemoryStack
and initializes all its bits to zero.static Flock
create()
Returns a newFlock
instance allocated withBufferUtils
.static Flock.Buffer
create(int capacity)
Returns a newFlock.Buffer
instance allocated withBufferUtils
.static Flock
create(long address)
Returns a newFlock
instance for the specified memory address.static Flock.Buffer
create(long address, int capacity)
Create aFlock.Buffer
instance at the specified memory.static Flock
createSafe(long address)
static Flock.Buffer
createSafe(long address, int capacity)
long
l_len()
size of the locked area; zero means until EOFFlock
l_len(long value)
Sets the specified value to thel_len()
field.int
l_pid()
process holding the lockFlock
l_pid(int value)
Sets the specified value to thel_pid()
field.long
l_start()
offset where the lock beginsFlock
l_start(long value)
Sets the specified value to thel_start()
field.short
l_type()
type of lock.Flock
l_type(short value)
Sets the specified value to thel_type()
field.short
l_whence()
wherel_start
is relative to (likelseek
)Flock
l_whence(short value)
Sets the specified value to thel_whence()
field.static Flock
malloc()
Returns a newFlock
instance allocated withmemAlloc
.static Flock.Buffer
malloc(int capacity)
Returns a newFlock.Buffer
instance allocated withmemAlloc
.static Flock.Buffer
malloc(int capacity, org.lwjgl.system.MemoryStack stack)
Returns a newFlock.Buffer
instance allocated on the specifiedMemoryStack
.static Flock
malloc(org.lwjgl.system.MemoryStack stack)
Returns a newFlock
instance allocated on the specifiedMemoryStack
.static long
nl_len(long struct)
Unsafe version ofl_len()
.static void
nl_len(long struct, long value)
Unsafe version ofl_len
.static int
nl_pid(long struct)
Unsafe version ofl_pid()
.static void
nl_pid(long struct, int value)
Unsafe version ofl_pid
.static long
nl_start(long struct)
Unsafe version ofl_start()
.static void
nl_start(long struct, long value)
Unsafe version ofl_start
.static short
nl_type(long struct)
Unsafe version ofl_type()
.static void
nl_type(long struct, short value)
Unsafe version ofl_type
.static short
nl_whence(long struct)
Unsafe version ofl_whence()
.static void
nl_whence(long struct, short value)
Unsafe version ofl_whence
.Flock
set(short l_type, short l_whence, long l_start, long l_len, int l_pid)
Initializes this struct with the specified values.Flock
set(Flock src)
Copies the specified struct data to this struct.int
sizeof()
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Constructor Detail
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Flock
public Flock(java.nio.ByteBuffer container)
Creates aFlock
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 Detail
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sizeof
public int sizeof()
- Specified by:
sizeof
in classorg.lwjgl.system.Struct
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l_type
public short l_type()
type of lock. One of:FCNTL.F_RDLCK
FCNTL.F_WRLCK
FCNTL.F_UNLCK
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l_whence
public short l_whence()
wherel_start
is relative to (likelseek
)
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l_start
public long l_start()
offset where the lock begins
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l_len
public long l_len()
size of the locked area; zero means until EOF
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l_pid
public int l_pid()
process holding the lock
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l_whence
public Flock l_whence(short value)
Sets the specified value to thel_whence()
field.
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set
public Flock set(short l_type, short l_whence, long l_start, long l_len, int l_pid)
Initializes this struct with the specified values.
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set
public Flock set(Flock src)
Copies the specified struct data to this struct.- Parameters:
src
- the source struct- Returns:
- this struct
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malloc
public static Flock malloc()
Returns a newFlock
instance allocated withmemAlloc
. The instance must be explicitly freed.
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calloc
public static Flock calloc()
Returns a newFlock
instance allocated withmemCalloc
. The instance must be explicitly freed.
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create
public static Flock create()
Returns a newFlock
instance allocated withBufferUtils
.
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create
public static Flock create(long address)
Returns a newFlock
instance for the specified memory address.
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createSafe
@Nullable public static Flock createSafe(long address)
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malloc
public static Flock.Buffer malloc(int capacity)
Returns a newFlock.Buffer
instance allocated withmemAlloc
. The instance must be explicitly freed.- Parameters:
capacity
- the buffer capacity
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calloc
public static Flock.Buffer calloc(int capacity)
Returns a newFlock.Buffer
instance allocated withmemCalloc
. The instance must be explicitly freed.- Parameters:
capacity
- the buffer capacity
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create
public static Flock.Buffer create(int capacity)
Returns a newFlock.Buffer
instance allocated withBufferUtils
.- Parameters:
capacity
- the buffer capacity
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create
public static Flock.Buffer create(long address, int capacity)
Create aFlock.Buffer
instance at the specified memory.- Parameters:
address
- the memory addresscapacity
- the buffer capacity
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createSafe
@Nullable public static Flock.Buffer createSafe(long address, int capacity)
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malloc
public static Flock malloc(org.lwjgl.system.MemoryStack stack)
Returns a newFlock
instance allocated on the specifiedMemoryStack
.- Parameters:
stack
- the stack from which to allocate
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calloc
public static Flock calloc(org.lwjgl.system.MemoryStack stack)
Returns a newFlock
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
public static Flock.Buffer malloc(int capacity, org.lwjgl.system.MemoryStack stack)
Returns a newFlock.Buffer
instance allocated on the specifiedMemoryStack
.- Parameters:
stack
- the stack from which to allocatecapacity
- the buffer capacity
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calloc
public static Flock.Buffer calloc(int capacity, org.lwjgl.system.MemoryStack stack)
Returns a newFlock.Buffer
instance allocated on the specifiedMemoryStack
and initializes all its bits to zero.- Parameters:
stack
- the stack from which to allocatecapacity
- the buffer capacity
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nl_type
public static short nl_type(long struct)
Unsafe version ofl_type()
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nl_whence
public static short nl_whence(long struct)
Unsafe version ofl_whence()
.
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nl_start
public static long nl_start(long struct)
Unsafe version ofl_start()
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nl_len
public static long nl_len(long struct)
Unsafe version ofl_len()
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nl_pid
public static int nl_pid(long struct)
Unsafe version ofl_pid()
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nl_type
public static void nl_type(long struct, short value)
Unsafe version ofl_type
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nl_whence
public static void nl_whence(long struct, short value)
Unsafe version ofl_whence
.
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nl_start
public static void nl_start(long struct, long value)
Unsafe version ofl_start
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nl_len
public static void nl_len(long struct, long value)
Unsafe version ofl_len
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nl_pid
public static void nl_pid(long struct, int value)
Unsafe version ofl_pid
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