1 // Copyright (c) 2023 Huawei Device Co., Ltd. 2 // Licensed under the Apache License, Version 2.0 (the "License"); 3 // you may not use this file except in compliance with the License. 4 // You may obtain a copy of the License at 5 // 6 // http://www.apache.org/licenses/LICENSE-2.0 7 // 8 // Unless required by applicable law or agreed to in writing, software 9 // distributed under the License is distributed on an "AS IS" BASIS, 10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11 // See the License for the specific language governing permissions and 12 // limitations under the License. 13 14 use std::fmt; 15 16 use windows_sys::Win32::System::IO::OVERLAPPED_ENTRY; 17 18 use crate::Event; 19 20 #[repr(C)] 21 pub(crate) struct Overlapped { 22 // TODO: use in pipe 23 // inner: UnsafeCell<OVERLAPPED>, 24 pub(crate) callback: fn(&OVERLAPPED_ENTRY, Option<&mut Vec<Event>>), 25 } 26 27 impl fmt::Debug for Overlapped { fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result28 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { 29 f.debug_struct("Overlapped").finish() 30 } 31 } 32 33 unsafe impl Send for Overlapped {} 34 35 unsafe impl Sync for Overlapped {} 36