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Runtime worker threads (#7089)

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* 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>
This commit is contained in:
Nikolay Volf
2020-10-20 05:41:51 -07:00
committed by GitHub
parent 203acda659
commit a062bc2f1d
26 changed files with 1498 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/primitives/io/src/lib.rs
+31 -3
View File
@@ -38,7 +38,7 @@ use tracing;
#[cfg(feature = "std")]
use sp_core::{
crypto::Pair,
traits::{CallInWasmExt, TaskExecutorExt},
traits::{CallInWasmExt, TaskExecutorExt, RuntimeSpawnExt},
offchain::{OffchainExt, TransactionPoolExt},
hexdisplay::HexDisplay,
storage::ChildInfo,
@@ -520,7 +520,6 @@ pub trait Crypto {
fn start_batch_verify(&mut self) {
let scheduler = self.extension::<TaskExecutorExt>()
.expect("No task executor associated with the current context!")
.0
.clone();
self.register_extension(VerificationExt(BatchVerifier::new(scheduler)))
@@ -755,7 +754,7 @@ pub trait OffchainIndex {
#[cfg(feature = "std")]
sp_externalities::decl_extension! {
/// The keystore extension to register/retrieve from the externalities.
/// Batch verification extension to register/retrieve from the externalities.
pub struct VerificationExt(BatchVerifier);
}
@@ -1239,6 +1238,34 @@ pub trait Sandbox {
}
}
/// Wasm host functions for managing tasks.
///
/// This should not be used directly. Use `sp_tasks` for running parallel tasks instead.
#[runtime_interface(wasm_only)]
pub trait RuntimeTasks {
/// Wasm host function for spawning task.
///
/// This should not be used directly. Use `sp_tasks::spawn` instead.
fn spawn(dispatcher_ref: u32, entry: u32, payload: Vec<u8>) -> u64 {
sp_externalities::with_externalities(|mut ext|{
let runtime_spawn = ext.extension::<RuntimeSpawnExt>()
.expect("Cannot spawn without dynamic runtime dispatcher (RuntimeSpawnExt)");
runtime_spawn.spawn_call(dispatcher_ref, entry, payload)
}).expect("`RuntimeTasks::spawn`: called outside of externalities context")
}
/// Wasm host function for joining a task.
///
/// This should not be used directly. Use `join` of `sp_tasks::spawn` result instead.
fn join(handle: u64) -> Vec<u8> {
sp_externalities::with_externalities(|mut ext| {
let runtime_spawn = ext.extension::<RuntimeSpawnExt>()
.expect("Cannot join without dynamic runtime dispatcher (RuntimeSpawnExt)");
runtime_spawn.join(handle)
}).expect("`RuntimeTasks::join`: called outside of externalities context")
}
}
/// Allocator used by Substrate when executing the Wasm runtime.
#[cfg(not(feature = "std"))]
struct WasmAllocator;
@@ -1306,6 +1333,7 @@ pub type SubstrateHostFunctions = (
sandbox::HostFunctions,
crate::trie::HostFunctions,
offchain_index::HostFunctions,
runtime_tasks::HostFunctions,
);
#[cfg(test)]