Interface InterfaceInitFunc

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 InterfaceInitFunc extends FunctionPointer

Functional interface declaration of the InterfaceInitFunc callback.

See Also:

  • Method Details

    • run

      void run(TypeInterface gIface, @Nullable MemorySegment ifaceData)

      A callback function used by the type system to initialize a new interface.

      This function should initialize all internal data and* allocate any resources required by the interface.

      The members of ifaceData are guaranteed to have been filled with zeros before this function is called.

      Parameters:
      gIface - The interface structure to initialize
      ifaceData - The interfaceData supplied via the GInterfaceInfo structure

    • upcall

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

    • toCallback

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