remove actix-threadpool crate

Cargo.toml

@@ -6,7 +6,6 @@ members = [
   "actix-rt",
   "actix-server",
   "actix-service",
-  "actix-threadpool",
   "actix-tls",
   "actix-tracing",
   "actix-utils",
@@ -20,7 +19,6 @@ actix-router = { path = "actix-router" }
 actix-rt = { path = "actix-rt" }
 actix-server = { path = "actix-server" }
 actix-service = { path = "actix-service" }
-actix-threadpool = { path = "actix-threadpool" }
 actix-tls = { path = "actix-tls" }
 actix-tracing = { path = "actix-tracing" }
 actix-utils = { path = "actix-utils" }

actix-threadpool/CHANGES.md

@@ -1,49 +0,0 @@
-# Changes
-
-## [0.3.3] - 2020-07-14
-
-### Changed
-
-* Update parking_lot to 0.11
-
-## [0.3.2] - 2020-05-20
-
-## Added
-
-* Implement `std::error::Error` for `BlockingError` [#120]
-
-[#120]: https://github.com/actix/actix-net/pull/120
-
-## [0.3.1] - 2019-12-12
-
-### Changed
-
-* Update parking_lot to 0.10
-
-## [0.3.0] - 2019-12-02
-
-### Changed
-
-* Expect `Result` type as a function return type
-
-## [0.2.0] - 2019-11-21
-
-### Changed
-
-* Migrate to `std::future`
-
-## [0.1.2] - 2019-08-05
-
-### Changed
-
-* Update `derive_more` to 0.15
-
-* Update `parking_lot` to 0.9
-
-## [0.1.1] - 2019-06-05
-
-* Update parking_lot
-
-## [0.1.0] - 2019-03-28
-
-* Move threadpool to separate crate

actix-threadpool/Cargo.toml

@@ -1,27 +0,0 @@
-[package]
-name = "actix-threadpool"
-version = "0.3.3"
-authors = ["Nikolay Kim <fafhrd91@gmail.com>"]
-description = "Actix thread pool for sync code"
-keywords = ["actix", "network", "framework", "async", "futures"]
-homepage = "https://actix.rs"
-repository = "https://github.com/actix/actix-net.git"
-documentation = "https://docs.rs/actix-threadpool/"
-categories = ["network-programming", "asynchronous"]
-license = "MIT OR Apache-2.0"
-exclude = [".gitignore", ".travis.yml", ".cargo/config", "appveyor.yml"]
-edition = "2018"
-workspace = ".."
-
-[lib]
-name = "actix_threadpool"
-path = "src/lib.rs"
-
-[dependencies]
-derive_more = "0.99.2"
-futures-channel = "0.3.7"
-parking_lot = "0.11"
-lazy_static = "1.3"
-log = "0.4"
-num_cpus = "1.10"
-threadpool = "1.7"

actix-threadpool/LICENSE-APACHE

@@ -1 +0,0 @@
-../LICENSE-APACHE

actix-threadpool/LICENSE-MIT

@@ -1 +0,0 @@
-../LICENSE-MIT

actix-threadpool/src/lib.rs

@@ -1,96 +0,0 @@
-//! Thread pool for blocking operations
-
-#![deny(rust_2018_idioms, nonstandard_style)]
-#![doc(html_logo_url = "https://actix.rs/img/logo.png")]
-#![doc(html_favicon_url = "https://actix.rs/favicon.ico")]
-
-use std::fmt;
-use std::future::Future;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-
-use derive_more::Display;
-use futures_channel::oneshot;
-use parking_lot::Mutex;
-use threadpool::ThreadPool;
-
-/// Env variable for default cpu pool size.
-const ENV_CPU_POOL_VAR: &str = "ACTIX_THREADPOOL";
-
-lazy_static::lazy_static! {
-    pub(crate) static ref DEFAULT_POOL: Mutex<ThreadPool> = {
-        let num = std::env::var(ENV_CPU_POOL_VAR)
-            .map_err(|_| ())
-            .and_then(|val| {
-                val.parse().map_err(|_| log::warn!(
-                    "Can not parse {} value, using default",
-                    ENV_CPU_POOL_VAR,
-                ))
-            })
-            .unwrap_or_else(|_| num_cpus::get() * 5);
-        Mutex::new(
-            threadpool::Builder::new()
-                .thread_name("actix-web".to_owned())
-                .num_threads(num)
-                .build(),
-        )
-    };
-}
-
-thread_local! {
-    static POOL: ThreadPool = {
-        DEFAULT_POOL.lock().clone()
-    };
-}
-
-/// Blocking operation execution error
-#[derive(Debug, Display)]
-pub enum BlockingError<E: fmt::Debug> {
-    #[display(fmt = "{:?}", _0)]
-    Error(E),
-    #[display(fmt = "Thread pool is gone")]
-    Canceled,
-}
-
-impl<E: fmt::Debug> std::error::Error for BlockingError<E> {}
-
-/// Execute blocking function on a thread pool, returns future that resolves
-/// to result of the function execution.
-pub fn run<F, I, E>(f: F) -> CpuFuture<I, E>
-where
-    F: FnOnce() -> Result<I, E> + Send + 'static,
-    I: Send + 'static,
-    E: Send + fmt::Debug + 'static,
-{
-    let (tx, rx) = oneshot::channel();
-    POOL.with(|pool| {
-        pool.execute(move || {
-            if !tx.is_canceled() {
-                let _ = tx.send(f());
-            }
-        })
-    });
-
-    CpuFuture { rx }
-}
-
-/// Blocking operation completion future. It resolves with results
-/// of blocking function execution.
-pub struct CpuFuture<I, E> {
-    rx: oneshot::Receiver<Result<I, E>>,
-}
-
-impl<I, E: fmt::Debug> Future for CpuFuture<I, E> {
-    type Output = Result<I, BlockingError<E>>;
-
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        let rx = Pin::new(&mut self.rx);
-        let res = match rx.poll(cx) {
-            Poll::Pending => return Poll::Pending,
-            Poll::Ready(res) => res
-                .map_err(|_| BlockingError::Canceled)
-                .and_then(|res| res.map_err(BlockingError::Error)),
-        };
-        Poll::Ready(res)
-    }
-}