wasi-cap-std-async is better named wasi-tokio

Cargo.lock

@@ -3068,16 +3068,6 @@ version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
-[[package]]
-name = "wasi-cap-std-async"
-version = "0.26.0"
-dependencies = [
- "tokio",
- "wasi-cap-std-sync",
- "wasi-common",
- "wiggle",
-]
-
 [[package]]
 name = "wasi-cap-std-sync"
 version = "0.26.0"
@@ -3144,6 +3134,16 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "wasi-tokio"
+version = "0.26.0"
+dependencies = [
+ "tokio",
+ "wasi-cap-std-sync",
+ "wasi-common",
+ "wiggle",
+]
+
 [[package]]
 name = "wasm-encoder"
 version = "0.4.1"
@@ -3551,9 +3551,9 @@ name = "wasmtime-wasi"
 version = "0.26.0"
 dependencies = [
  "anyhow",
- "wasi-cap-std-async",
  "wasi-cap-std-sync",
  "wasi-common",
+ "wasi-tokio",
  "wasmtime",
  "wasmtime-wiggle",
  "wiggle",

Cargo.toml

@@ -79,7 +79,7 @@ members = [
   "crates/wiggle/wasmtime",
   "crates/wasi-common",
   "crates/wasi-common/cap-std-sync",
-  "crates/wasi-common/cap-std-async",
+  "crates/wasi-common/tokio",
   "examples/fib-debug/wasm",
   "examples/wasi/wasm",
   "examples/tokio/wasm",
@@ -112,7 +112,7 @@ harness = false
 
 [[example]]
 name = "tokio"
-required-features = ["wasmtime-wasi/async"]
+required-features = ["wasmtime-wasi/tokio"]
 
 [profile.dev.package.backtrace]
 debug = false # FIXME(#1813)

crates/wasi-common/cap-std-async/Cargo.toml → crates/wasi-common/tokio/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "wasi-cap-std-async"
+name = "wasi-tokio"
 version = "0.26.0"
 authors = ["The Wasmtime Project Developers"]
 description = "WASI implementation in Rust"

crates/wasi/Cargo.toml

@@ -15,7 +15,7 @@ build = "build.rs"
 [dependencies]
 wasi-common = { path = "../wasi-common", version = "0.26.0" }
 wasi-cap-std-sync = { path = "../wasi-common/cap-std-sync", version = "0.26.0", optional = true }
-wasi-cap-std-async = { path = "../wasi-common/cap-std-async", version = "0.26.0", optional = true }
+wasi-tokio = { path = "../wasi-common/tokio", version = "0.26.0", optional = true }
 wiggle = { path = "../wiggle", default-features = false, version = "0.26.0" }
 wasmtime-wiggle = { path = "../wiggle/wasmtime", default-features = false, version = "0.26.0" }
 wasmtime = { path = "../wasmtime", default-features = false, version = "0.26.0" }
@@ -24,4 +24,4 @@ anyhow = "1.0"
 [features]
 default = ["sync"]
 sync = ["wasi-cap-std-sync"]
-async = ["wasi-cap-std-async", "wasmtime/async", "wasmtime-wiggle/async"]
+tokio = ["wasi-tokio", "wasmtime/async", "wasmtime-wiggle/async"]

crates/wasi/src/lib.rs

@@ -18,11 +18,11 @@ pub mod sync {
     super::define_wasi!(block_on);
 }
 
-/// Re-export the wasi-cap-std-async crate here. This saves consumers of this library from having
+/// Re-export the wasi-tokio crate here. This saves consumers of this library from having
 /// to keep additional dependencies in sync.
-#[cfg(feature = "async")]
-pub mod async_ {
-    pub use wasi_cap_std_async::*;
+#[cfg(feature = "tokio")]
+pub mod tokio {
+    pub use wasi_tokio::*;
     super::define_wasi!(async);
 }
 

examples/tokio/main.rs

@@ -5,7 +5,7 @@ use wasmtime::{Config, Engine, Linker, Module, Store};
 // For this example we want to use the async version of wasmtime_wasi.
 // Notably, this version of wasi uses a scheduler that will async yield
 // when sleeping in `poll_oneoff`.
-use wasmtime_wasi::async_::{Wasi, WasiCtxBuilder};
+use wasmtime_wasi::tokio::{Wasi, WasiCtxBuilder};
 
 #[tokio::main]
 async fn main() -> Result<(), Error> {