mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-04-28 21:27:57 +00:00
Benjamin Kampmann
57 lines
1.5 KiB
Rust
57 lines
1.5 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2020 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Module for low-level asynchronous processing.
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use crate::traits::CloneableSpawn;
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use futures::{executor, task};
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/// Simple task executor.
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///
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/// Uses single thread for scheduling tasks. Can be cloned and used in
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/// runtime host (implements `CloneableSpawn`).
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#[derive(Debug, Clone)]
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pub struct Executor {
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pool: executor::ThreadPool,
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}
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impl Executor {
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fn new() -> Self {
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Self {
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pool: executor::ThreadPool::builder().pool_size(1).create()
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.expect("Failed to create task executor")
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}
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}
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}
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impl task::Spawn for Executor {
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fn spawn_obj(&self, future: task::FutureObj<'static, ()>)
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-> Result<(), task::SpawnError> {
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self.pool.spawn_obj(future)
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}
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}
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impl CloneableSpawn for Executor {
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fn clone(&self) -> Box<dyn CloneableSpawn> {
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Box::new(Clone::clone(self))
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}
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}
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/// Create tasks executor.
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pub fn executor() -> Box<dyn CloneableSpawn> {
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Box::new(Executor::new())
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} |