mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-28 05:07:55 +00:00
Benjamin Kampmann
57 lines
1.5 KiB
Rust
57 lines
1.5 KiB
Rust
// This file is part of Substrate.
|
|
|
|
// Copyright (C) 2020 Parity Technologies (UK) Ltd.
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
// 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.
|
|
|
|
//! Module for low-level asynchronous processing.
|
|
|
|
use crate::traits::CloneableSpawn;
|
|
use futures::{executor, task};
|
|
|
|
/// Simple task executor.
|
|
///
|
|
/// Uses single thread for scheduling tasks. Can be cloned and used in
|
|
/// runtime host (implements `CloneableSpawn`).
|
|
#[derive(Debug, Clone)]
|
|
pub struct Executor {
|
|
pool: executor::ThreadPool,
|
|
}
|
|
|
|
impl Executor {
|
|
fn new() -> Self {
|
|
Self {
|
|
pool: executor::ThreadPool::builder().pool_size(1).create()
|
|
.expect("Failed to create task executor")
|
|
}
|
|
}
|
|
}
|
|
|
|
impl task::Spawn for Executor {
|
|
fn spawn_obj(&self, future: task::FutureObj<'static, ()>)
|
|
-> Result<(), task::SpawnError> {
|
|
self.pool.spawn_obj(future)
|
|
}
|
|
}
|
|
|
|
impl CloneableSpawn for Executor {
|
|
fn clone(&self) -> Box<dyn CloneableSpawn> {
|
|
Box::new(Clone::clone(self))
|
|
}
|
|
}
|
|
|
|
/// Create tasks executor.
|
|
pub fn executor() -> Box<dyn CloneableSpawn> {
|
|
Box::new(Executor::new())
|
|
} |