Class EpollData

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

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

    Layout

    
     union epoll_data_t {
         void * ptr;
         int fd;
         uint32_t u32;
         uint64_t u64;
     }
    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static class  EpollData.Buffer
      An array of EpollData 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 FD
      PTR
      The struct member offsets.
      static int SIZEOF
      The struct size in bytes.
      static int U32
      U64
      The struct member offsets.
      • Fields inherited from interface org.lwjgl.system.Pointer

        BITS32, BITS64, CLONG_SHIFT, CLONG_SIZE, POINTER_SHIFT, POINTER_SIZE
    • Constructor Summary

      Constructors 
      Constructor Description
      EpollData​(java.nio.ByteBuffer container)
      Creates a EpollData 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 EpollData calloc()
      Returns a new EpollData instance allocated with memCalloc.
      static EpollData.Buffer calloc​(int capacity)
      Returns a new EpollData.Buffer instance allocated with memCalloc.
      static EpollData.Buffer calloc​(int capacity, org.lwjgl.system.MemoryStack stack)
      Returns a new EpollData.Buffer instance allocated on the specified MemoryStack and initializes all its bits to zero.
      static EpollData calloc​(org.lwjgl.system.MemoryStack stack)
      Returns a new EpollData instance allocated on the specified MemoryStack and initializes all its bits to zero.
      static EpollData create()
      Returns a new EpollData instance allocated with BufferUtils.
      static EpollData.Buffer create​(int capacity)
      Returns a new EpollData.Buffer instance allocated with BufferUtils.
      static EpollData create​(long address)
      Returns a new EpollData instance for the specified memory address.
      static EpollData.Buffer create​(long address, int capacity)
      Create a EpollData.Buffer instance at the specified memory.
      static EpollData createSafe​(long address)
      Like create, but returns null if address is NULL.
      static EpollData.Buffer createSafe​(long address, int capacity)
      Like create, but returns null if address is NULL.
      int fd()  
      EpollData fd​(int value)
      Sets the specified value to the fd field.
      static EpollData malloc()
      Returns a new EpollData instance allocated with memAlloc.
      static EpollData.Buffer malloc​(int capacity)
      Returns a new EpollData.Buffer instance allocated with memAlloc.
      static EpollData.Buffer malloc​(int capacity, org.lwjgl.system.MemoryStack stack)
      Returns a new EpollData.Buffer instance allocated on the specified MemoryStack.
      static EpollData malloc​(org.lwjgl.system.MemoryStack stack)
      Returns a new EpollData instance allocated on the specified MemoryStack.
      static int nfd​(long struct)
      Unsafe version of fd().
      static void nfd​(long struct, int value)
      Unsafe version of fd.
      static long nptr​(long struct)
      Unsafe version of ptr().
      static void nptr​(long struct, long value)
      Unsafe version of ptr.
      static int nu32​(long struct)
      Unsafe version of u32().
      static void nu32​(long struct, int value)
      Unsafe version of u32.
      static long nu64​(long struct)
      Unsafe version of u64().
      static void nu64​(long struct, long value)
      Unsafe version of u64.
      long ptr()  
      EpollData ptr​(long value)
      Sets the specified value to the ptr field.
      EpollData set​(EpollData src)
      Copies the specified struct data to this struct.
      int sizeof()  
      int u32()  
      EpollData u32​(int value)
      Sets the specified value to the u32 field.
      long u64()  
      EpollData u64​(long value)
      Sets the specified value to the u64 field.
      • 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.
      • PTR, FD, U32, U64

        The struct member offsets.
    • Constructor Detail

      • EpollData

        public EpollData​(java.nio.ByteBuffer container)
        Creates a EpollData 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
      • ptr

        public long ptr()
        Returns:
        the value of the ptr field.
      • fd

        public int fd()
        Returns:
        the value of the fd field.
      • u32

        public int u32()
        Returns:
        the value of the u32 field.
      • u64

        public long u64()
        Returns:
        the value of the u64 field.
      • ptr

        public EpollData ptr​(long value)
        Sets the specified value to the ptr field.
      • fd

        public EpollData fd​(int value)
        Sets the specified value to the fd field.
      • u32

        public EpollData u32​(int value)
        Sets the specified value to the u32 field.
      • u64

        public EpollData u64​(long value)
        Sets the specified value to the u64 field.
      • set

        public EpollData set​(EpollData src)
        Copies the specified struct data to this struct.
        Parameters:
        src - the source struct
        Returns:
        this struct
      • malloc

        public static EpollData malloc()
        Returns a new EpollData instance allocated with memAlloc. The instance must be explicitly freed.
      • calloc

        public static EpollData calloc()
        Returns a new EpollData instance allocated with memCalloc. The instance must be explicitly freed.
      • create

        public static EpollData create()
        Returns a new EpollData instance allocated with BufferUtils.
      • create

        public static EpollData create​(long address)
        Returns a new EpollData instance for the specified memory address.
      • createSafe

        @Nullable
        public static EpollData createSafe​(long address)
        Like create, but returns null if address is NULL.
      • malloc

        public static EpollData.Buffer malloc​(int capacity)
        Returns a new EpollData.Buffer instance allocated with memAlloc. The instance must be explicitly freed.
        Parameters:
        capacity - the buffer capacity
      • calloc

        public static EpollData.Buffer calloc​(int capacity)
        Returns a new EpollData.Buffer instance allocated with memCalloc. The instance must be explicitly freed.
        Parameters:
        capacity - the buffer capacity
      • create

        public static EpollData.Buffer create​(int capacity)
        Returns a new EpollData.Buffer instance allocated with BufferUtils.
        Parameters:
        capacity - the buffer capacity
      • create

        public static EpollData.Buffer create​(long address,
                                              int capacity)
        Create a EpollData.Buffer instance at the specified memory.
        Parameters:
        address - the memory address
        capacity - the buffer capacity
      • createSafe

        @Nullable
        public static EpollData.Buffer createSafe​(long address,
                                                  int capacity)
        Like create, but returns null if address is NULL.
      • malloc

        public static EpollData malloc​(org.lwjgl.system.MemoryStack stack)
        Returns a new EpollData instance allocated on the specified MemoryStack.
        Parameters:
        stack - the stack from which to allocate
      • calloc

        public static EpollData calloc​(org.lwjgl.system.MemoryStack stack)
        Returns a new EpollData instance allocated on the specified MemoryStack and initializes all its bits to zero.
        Parameters:
        stack - the stack from which to allocate
      • malloc

        public static EpollData.Buffer malloc​(int capacity,
                                              org.lwjgl.system.MemoryStack stack)
        Returns a new EpollData.Buffer instance allocated on the specified MemoryStack.
        Parameters:
        stack - the stack from which to allocate
        capacity - the buffer capacity
      • calloc

        public static EpollData.Buffer calloc​(int capacity,
                                              org.lwjgl.system.MemoryStack stack)
        Returns a new EpollData.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
      • nptr

        public static long nptr​(long struct)
        Unsafe version of ptr().
      • nfd

        public static int nfd​(long struct)
        Unsafe version of fd().
      • nu32

        public static int nu32​(long struct)
        Unsafe version of u32().
      • nu64

        public static long nu64​(long struct)
        Unsafe version of u64().
      • nptr

        public static void nptr​(long struct,
                                long value)
        Unsafe version of ptr.
      • nfd

        public static void nfd​(long struct,
                               int value)
        Unsafe version of fd.
      • nu32

        public static void nu32​(long struct,
                                int value)
        Unsafe version of u32.
      • nu64

        public static void nu64​(long struct,
                                long value)
        Unsafe version of u64.