logosaurus 0.5.0

// SyncWriter adapted from https://github.com/magiclen/synchronized-writer
//
// MIT License
//
// Copyright (c) 2018 magiclen.org (Ron Li)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

use std::io::{self, Write};
use std::sync::{Arc, Mutex};

pub struct SyncWriter<W: Write> {
    inner: Arc<Mutex<W>>,
}

impl<W: Write> SyncWriter<W> {
    pub fn new(writer: Arc<Mutex<W>>) -> SyncWriter<W> {
        SyncWriter { inner: writer }
    }
}

impl<W: Write> Write for SyncWriter<W> {
    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
        self.inner.lock().unwrap().write(buf)
    }

    fn flush(&mut self) -> io::Result<()> {
        self.inner.lock().unwrap().flush()
    }
}