Interface RPMemoryUnmapCallbackI

All Superinterfaces:
CallbackI, Pointer
All Known Implementing Classes:
RPMemoryUnmapCallback
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface public interface RPMemoryUnmapCallbackI extends CallbackI
Instances of this interface may be set to the RPMallocConfig struct.

Type


 void (*invoke(long, long, long, boolean)) (
     void *address,
     size_t size,
     size_t offset,
     int release
 )
  • Nested Class Summary

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

    Pointer.Default
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final FFICIF
     

    Fields inherited from interface org.lwjgl.system.Pointer

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

    Modifier and Type
    Method
    Description
    default void
    callback(long ret, long args)
    The Java method that will be called from native code when the native callback function is invoked.
    default FFICIF
    Returns the libffi Call Interface for this callback function.
    void
    invoke(long address, long size, long offset, boolean release)
    Unmap the memory pages starting at address and spanning the given number of bytes.

    Methods inherited from interface org.lwjgl.system.CallbackI

    address
  • Field Details

    • CIF

      static final FFICIF CIF
  • Method Details

    • getCallInterface

      default FFICIF getCallInterface()
      Description copied from interface: CallbackI
      Returns the libffi Call Interface for this callback function. [INTERNAL API]
      Specified by:
      getCallInterface in interface CallbackI
      Returns:
      the CIF structure for this callback function
    • callback

      default void callback(long ret, long args)
      Description copied from interface: CallbackI
      The Java method that will be called from native code when the native callback function is invoked.
      Specified by:
      callback in interface CallbackI
      Parameters:
      ret - a pointer to the memory used for the function's return value.

      If the function is declared as returning void, then this value is garbage and should not be used.

      Otherwise, the callback must fill the object to which this points, following the same special promotion behavior as LibFFI.ffi_call(org.lwjgl.system.libffi.FFICIF, long, java.nio.ByteBuffer, org.lwjgl.PointerBuffer). That is, in most cases, ret points to an object of exactly the size of the type specified when CIF was constructed. However, integral types narrower than the system register size are widened. In these cases your program may assume that ret points to an ffi_arg object.

      args - a vector of pointers to memory holding the arguments to the function
    • invoke

      void invoke(long address, long size, long offset, boolean release)
      Unmap the memory pages starting at address and spanning the given number of bytes.

      If release is set to non-zero, the unmap is for an entire span range as returned by a previous call to memory_map and that the entire range should be released. The release argument holds the size of the entire span range. If release is set to 0, the unmap is a partial decommit of a subset of the mapped memory range.

      If you set a memory_unmap function, you must also set a memory_map function or else the default implementation will be used for both.

      Parameters:
      address - the address to unmap
      size - the size of the mapped pages, in bytes
      offset - the alignment offset
      release - the release flag