https://github.com/wangrunji0408/greenthread-future-rs

Rust: Convert closures into futures based on greenthread on bare-metal (no_std + no_alloc).
https://github.com/wangrunji0408/greenthread-future-rs

async bare-metal future rust

Last synced: about 1 month ago
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Rust: Convert closures into futures based on greenthread on bare-metal (no_std + no_alloc).

• Host: GitHub
• URL: https://github.com/wangrunji0408/greenthread-future-rs
• Owner: wangrunji0408
• License: mit
• Created: 2020-02-01T17:27:31.000Z (almost 5 years ago)
• Default Branch: master
• Last Pushed: 2020-04-07T09:49:34.000Z (over 4 years ago)
• Last Synced: 2024-09-15T18:58:53.868Z (2 months ago)
• Topics: async, bare-metal, future, rust
• Language: Rust
• Homepage:
• Size: 18.6 KB
• Stars: 5
• Watchers: 4
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# greenthread-future-rs

[![Crate](https://img.shields.io/crates/v/greenthread-future.svg)](https://crates.io/crates/greenthread-future)

[![Docs](https://docs.rs/greenthread-future/badge.svg)](https://docs.rs/greenthread-future)

[![Actions Status](https://github.com/wangrunji0408/greenthread-future-rs/workflows/CI/badge.svg)](https://github.com/wangrunji0408/greenthread-future-rs/actions)

[![Coverage Status](https://coveralls.io/repos/github/wangrunji0408/greenthread-future-rs/badge.svg?branch=master)](https://coveralls.io/github/wangrunji0408/greenthread-future-rs?branch=master)

Convert closures into futures based on greenthread **on bare-metal (no_std + no_alloc)**.

In a word, this is a `#![no_std]` version of [Futurify](https://github.com/robertohuertasm/futurify).

I'm exploring to use it to implement bare-metal threading.

## Example

TODO. 

Now just take a unit test as an example:

```rust

#[tokio::test]

async fn test() {

  let h1 = tokio::spawn(ThreadFuture::from(|| {

    println!("1.1");

    yield_now();

    println!("1.2");

    1u32

  }));

  let h2 = tokio::spawn(ThreadFuture::from(|| {

    println!("2.1");

    yield_now();

    println!("2.2");

    2u32

  }));

  println!("join 1 => {}", h1.await.unwrap());

  println!("join 2 => {}", h2.await.unwrap());

}

```

Output:

```

1.1

2.1

1.2

2.2

join 1 => 1

join 2 => 2

```

## Internal

![stack-layout](docs/stack-layout.svg)