File: mpsc.rs

package info (click to toggle)
thunderbird 1%3A60.9.0-1~deb9u1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 2,339,492 kB
  • sloc: cpp: 5,457,040; ansic: 2,360,385; python: 596,167; asm: 340,963; java: 326,296; xml: 258,830; sh: 84,445; makefile: 23,705; perl: 17,317; objc: 3,768; yacc: 1,766; ada: 1,681; lex: 1,364; pascal: 1,264; cs: 879; exp: 527; php: 436; lisp: 258; ruby: 153; awk: 152; sed: 53; csh: 27
file content (51 lines) | stat: -rw-r--r-- 1,442 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/* 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 http://mozilla.org/MPL/2.0/. */

use serde::{Deserialize, Serialize};
use serde::{Deserializer, Serializer};
use std::sync::mpsc;

#[macro_use]
macro_rules! unreachable_serializable {
    ($name:ident) => {
        impl<T> Serialize for $name<T> {
            fn serialize<S: Serializer>(&self, _: S) -> Result<S::Ok, S::Error> {
                unreachable!();
            }
        }

        impl<'a, T> Deserialize<'a> for $name<T> {
            fn deserialize<D>(_: D) -> Result<$name<T>, D::Error>
                            where D: Deserializer<'a> {
                unreachable!();
            }
        }
    };
}

#[derive(Clone)]
pub struct WebGLSender<T>(mpsc::Sender<T>);
pub struct WebGLReceiver<T>(mpsc::Receiver<T>);

impl<T> WebGLSender<T> {
    #[inline]
    pub fn send(&self, data: T) -> Result<(), mpsc::SendError<T>> {
        self.0.send(data)
    }
}

impl<T> WebGLReceiver<T> {
    #[inline]
    pub fn recv(&self) -> Result<T, mpsc::RecvError> {
        self.0.recv()
    }
}

pub fn webgl_channel<T>() -> Result<(WebGLSender<T>, WebGLReceiver<T>), ()> {
    let (sender, receiver) = mpsc::channel();
    Ok((WebGLSender(sender), WebGLReceiver(receiver)))
}

unreachable_serializable!(WebGLReceiver);
unreachable_serializable!(WebGLSender);