| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ |
| |
| //! Routines for handling measuring the memory usage of arbitrary DOM nodes. |
| |
| use std::os::raw::c_void; |
| |
| use malloc_size_of::{MallocSizeOf, MallocSizeOfOps}; |
| |
| /// Used by codegen to include the pointer to the `MallocSizeOf` implementation of each |
| /// IDL interface. This way we don't have to find the most-derived interface of DOM |
| /// objects by hand in code. |
| #[allow(unsafe_code)] |
| pub(crate) unsafe fn malloc_size_of_including_raw_self<T: MallocSizeOf>( |
| ops: &mut MallocSizeOfOps, |
| obj: *const c_void, |
| ) -> usize { |
| unsafe { ops.malloc_size_of(obj) + (*(obj as *const T)).size_of(ops) } |
| } |
