Interface FreeFunc

All Superinterfaces:
FunctionPointer
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface @Generated("org.javagi.JavaGI") public interface FreeFunc extends FunctionPointer

Functional interface declaration of the FreeFunc callback.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    run(@Nullable MemorySegment data)
    Declares a type of function which takes an arbitrary data pointer argument and has no return value.
    default MemorySegment
    toCallback(Arena arena)
    Creates a native function pointer to the upcall(MemorySegment) method.
    default void
    upcall(MemorySegment data)
    The upcall method is called from native code.

  • Method Details

    • run

      void run(@Nullable MemorySegment data)
      Declares a type of function which takes an arbitrary data pointer argument and has no return value. It is not currently used in GLib or GTK.
      Parameters:
      data - a data pointer

    • upcall

      default void upcall(MemorySegment data)
      The upcall method is called from native code. The parameters are marshaled and run(MemorySegment) is executed.

    • toCallback

      default MemorySegment toCallback(Arena arena)
      Creates a native function pointer to the upcall(MemorySegment) method.
      Specified by:
      toCallback in interface FunctionPointer
      Parameters:
      arena - the arena in which the function pointer is allocated
      Returns:
      the native function pointer