Package io.netty.channel.kqueue

Class KQueueEventArray

java.lang.Object
io.netty.channel.kqueue.KQueueEventArray
final class KQueueEventArray extends Object
Represents an array of kevent structures, backed by offheap memory. 
 struct kevent {
  uintptr_t ident;
  short     keventFilter;
  u_short   flags;
  u_int     fflags;
  intptr_t  data;
  void      *udata;
 };

  • Field Details

    • KQUEUE_EVENT_SIZE

      private static final int KQUEUE_EVENT_SIZE

    • KQUEUE_IDENT_OFFSET

      private static final int KQUEUE_IDENT_OFFSET

    • KQUEUE_FILTER_OFFSET

      private static final int KQUEUE_FILTER_OFFSET

    • KQUEUE_FFLAGS_OFFSET

      private static final int KQUEUE_FFLAGS_OFFSET

    • KQUEUE_FLAGS_OFFSET

      private static final int KQUEUE_FLAGS_OFFSET

    • KQUEUE_DATA_OFFSET

      private static final int KQUEUE_DATA_OFFSET

    • KQUEUE_UDATA_OFFSET

      private static final int KQUEUE_UDATA_OFFSET

    • memory

      private ByteBuffer memory

    • memoryAddress

      private long memoryAddress

    • size

      private int size

    • capacity

      private int capacity

  • Constructor Details

    • KQueueEventArray

      KQueueEventArray(int capacity)

  • Method Details

    • memoryAddress

      long memoryAddress()
      Return the memoryAddress which points to the start of this KQueueEventArray.

    • capacity

      int capacity()
      Return the capacity of the KQueueEventArray which represent the maximum number of kevents that can be stored in it.

    • size

      int size()

    • clear

      void clear()

    • evSet

      void evSet(int ident, short filter, short flags, int fflags, long data, long udata)

    • reallocIfNeeded

      private void reallocIfNeeded()

    • realloc

      void realloc(boolean throwIfFail)
      Increase the storage of this KQueueEventArray.

    • free

      void free()
      Free this KQueueEventArray. Any usage after calling this method may segfault the JVM!

    • getKEventOffset

      private static int getKEventOffset(int index)

    • getKEventOffsetAddress

      private long getKEventOffsetAddress(int index)

    • getShort

      private short getShort(int index, int offset)

    • flags

      short flags(int index)

    • filter

      short filter(int index)

    • fflags

      short fflags(int index)

    • fd

      int fd(int index)

    • data

      long data(int index)

    • udata

      long udata(int index)

    • getLong

      private long getLong(int index, int offset)

    • calculateBufferCapacity

      private static int calculateBufferCapacity(int capacity)

    • evSet

      private static void evSet(long keventAddress, int ident, short filter, short flags, int fflags, long data, long udata)