Runtime worker threads (#7089)

* std variant * principal work * format and naming * format and naming continued * working nested fork * add comment * naming and tabs * line width * fix wording * address review * refactor dynamic dispatch * update wasmtime * some care * move ext * more refactor * doc effort * simplify * doc effort * tests and docs * address review * naming * explain some args * add example * unwinding for native and tests * rename stray * fix refs * fix tests * fix warnings * stray naming * fixes and comments * Update primitives/io/src/tasks.rs Co-authored-by: cheme <emericchevalier.pro@gmail.com> * make examples "compile" * dyn_dispatch -> spawn_call * fix impl * address review * Update primitives/io/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Update primitives/io/src/tasks.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Update primitives/io/src/async_externalities.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Update primitives/io/src/tasks.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * Update frame/example-parallel/src/lib.rs Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> * fix compilation * Update client/executor/common/src/wasm_runtime.rs Co-authored-by: Sergei Shulepov <sergei@parity.io> * address review * Update client/executor/wasmtime/src/instance_wrapper.rs Co-authored-by: Sergei Shulepov <sergei@parity.io> * Update client/executor/src/native_executor.rs Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Update primitives/io/src/tasks.rs Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Update client/executor/src/native_executor.rs Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Update primitives/io/src/tasks.rs Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * Update client/executor/wasmtime/src/instance_wrapper.rs Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com> * address some issues * address more issues * wasm_only interface * define sp_tasks * avoid anyhow * fix example Co-authored-by: cheme <emericchevalier.pro@gmail.com> Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com> Co-authored-by: Sergei Shulepov <sergei@parity.io> Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
2026-04-26 08:47:57 +00:00 · 2020-10-20 05:41:51 -07:00
parent 203acda659
commit a062bc2f1d
26 changed files with 1498 additions and 112 deletions
@@ -309,6 +309,43 @@ sp_core::wasm_export_functions! {
 		assert_ne!(test_message, message_slice);
 		message_slice.copy_from_slice(test_message);
 	}
+
+	fn test_spawn() {
+		let data = vec![1u8, 2u8];
+		let data_new = sp_tasks::spawn(tasks::incrementer, data).join();
+
+		assert_eq!(data_new, vec![2u8, 3u8]);
+	}
+
+	fn test_nested_spawn() {
+		let data = vec![7u8, 13u8];
+		let data_new = sp_tasks::spawn(tasks::parallel_incrementer, data).join();
+
+		assert_eq!(data_new, vec![10u8, 16u8]);
+	}
+
+	fn test_panic_in_spawned() {
+		sp_tasks::spawn(tasks::panicker, vec![]).join();
+	}
+ }
+
+ #[cfg(not(feature = "std"))]
+ mod tasks {
+	use sp_std::prelude::*;
+
+	pub fn incrementer(data: Vec<u8>) -> Vec<u8> {
+	   data.into_iter().map(|v| v + 1).collect()
+	}
+
+	pub fn panicker(_: Vec<u8>) -> Vec<u8> {
+		panic!()
+	}
+
+	pub fn parallel_incrementer(data: Vec<u8>) -> Vec<u8> {
+	   let first = data.into_iter().map(|v| v + 2).collect::<Vec<_>>();
+	   let second = sp_tasks::spawn(incrementer, first).join();
+	   second
+	}
 }

 #[cfg(not(feature = "std"))]