Interface HookCompareFunc

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 HookCompareFunc extends FunctionPointer

Functional interface declaration of the HookCompareFunc callback.

See Also:

  • Method Details

    • run

      int run(Hook newHook, Hook sibling)
      Defines the type of function used to compare GHook elements in g_hook_insert_sorted().
      Parameters:
      newHook - the GHook being inserted
      sibling - the GHook to compare with newHook
      Returns:
      a value <= 0 if newHook should be before sibling

    • upcall

      default int upcall(MemorySegment newHook, MemorySegment sibling)
      The upcall method is called from native code. The parameters are marshaled and run(Hook, Hook) 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