func constructClosure(fn *function) (err error) { var closure C.ffi_closure var fptr unsafe.Pointer var mptr unsafe.Pointer if mptr, err = C.ffi_closure_alloc(C.size_t(unsafe.Sizeof(closure)), &fptr); mptr == nil { return } if status := Status(C.ffi_prep_closure_loc((*C.ffi_closure)(mptr), &fn.Interface.ffi_cif, C.closure(C.GoClosureCallback), unsafe.Pointer(fn), fptr)); status != OK { C.ffi_closure_free(mptr) err = status return } fn.fptr = fptr fn.mptr = mptr return nil }
func destroyClosure(fn *function) { C.ffi_closure_free(fn.mptr) }
func free_cfn(cfn *CFn) { C.ffi_closure_free(cfn.closure) }