// Copyright (c) 2023 Huawei Device Co., Ltd.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::fmt;

use crate::sys::winapi::OVERLAPPED_ENTRY;
use crate::Event;

#[repr(C)]
pub(crate) struct Overlapped {
    // TODO: use in pipe
    // inner: UnsafeCell<OVERLAPPED>,
    pub(crate) callback: fn(&OVERLAPPED_ENTRY, Option<&mut Vec<Event>>),
}

impl fmt::Debug for Overlapped {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.debug_struct("Overlapped").finish()
    }
}

unsafe impl Send for Overlapped {}

unsafe impl Sync for Overlapped {}