# unblock [](https://crates.io/crates/unblock)
A thread pool for isolating blocking in async programs.
With `mt` feature the default number of threads (set to number of cpus) can be altered
by setting `BLOCK_THREADS` environment variable with value.
## License
Licensed under either of
* Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
at your option.
Fork from [blocking](https://github.com/smol-rs/blocking)
#### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.