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denoland-deno/runtime
Bartek Iwańczuk d69aab62b0
fix(ext/node): make worker setup synchronous (#22815)
This commit fixes race condition in "node:worker_threads" module were
the first message did a setup of "threadId", "workerData" and
"environmentData".
Now this data is passed explicitly during workers creation and is set up
before any user code is executed.

Closes https://github.com/denoland/deno/issues/22783
Closes https://github.com/denoland/deno/issues/22672

---------

Co-authored-by: Satya Rohith <me@satyarohith.com>
2024-03-11 23:18:03 +01:00
..
examples chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
js fix(ext/node): make worker setup synchronous (#22815) 2024-03-11 23:18:03 +01:00
ops fix(ext/node): make worker setup synchronous (#22815) 2024-03-11 23:18:03 +01:00
permissions feat(core): highlight unprintable chars in permission prompts (#22468) 2024-02-19 04:51:06 +00:00
Cargo.toml fix(runtime): Restore default signal handler after user handlers are unregistered (#22757) 2024-03-11 10:22:28 -07:00
clippy.toml feat(compile): unstable npm and node specifier support (#19005) 2023-05-10 20:06:59 -04:00
errors.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
fmt_errors.rs refactor: extract out runtime::colors to deno_terminal::colors (#22324) 2024-02-07 11:25:14 -05:00
fs_util.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
inspector_server.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
js.rs refactor: remove snapshotting from deno_runtime (#21794) 2024-01-10 16:30:50 +01:00
lib.rs fix: respect unstable "temporal" configuration in config file (#22134) 2024-03-08 01:32:11 +01:00
README.md fix (doc): Typo in runtime/README.md (#20020) 2023-12-13 17:24:32 +00:00
shared.rs fix: Provide source map for internal extension code (#22716) 2024-03-06 14:17:49 +01:00
snapshot.rs chore: upgrade deno_core (#22699) 2024-03-05 01:17:39 +00:00
tokio_util.rs chore: update copyright to 2024 (#21753) 2024-01-01 19:58:21 +00:00
web_worker.rs fix(ext/node): make worker setup synchronous (#22815) 2024-03-11 23:18:03 +01:00
worker.rs chore: upgrade deno_core (#22699) 2024-03-05 01:17:39 +00:00
worker_bootstrap.rs fix(ext/node): set correct process.argv0 (#22555) 2024-02-23 17:30:29 +01:00

deno_runtime crate

crates docs

This is a slim version of the Deno CLI which removes typescript integration and various tooling (like lint and doc). Basically only JavaScript execution with Deno's operating system bindings (ops).

Stability

This crate is built using battle-tested modules that were originally in the deno crate, however the API of this crate is subject to rapid and breaking changes.

MainWorker

The main API of this crate is MainWorker. MainWorker is a structure encapsulating deno_core::JsRuntime with a set of ops used to implement Deno namespace.

When creating a MainWorker implementors must call MainWorker::bootstrap to prepare JS runtime for use.

MainWorker is highly configurable and allows to customize many of the runtime's properties:

  • module loading implementation
  • error formatting
  • support for source maps
  • support for V8 inspector and Chrome Devtools debugger
  • HTTP client user agent, CA certificate
  • random number generator seed

Worker Web API

deno_runtime comes with support for Worker Web API. The Worker API is implemented using WebWorker structure.

When creating a new instance of MainWorker implementors must provide a callback function that is used when creating a new instance of Worker.

All WebWorker instances are descendents of MainWorker which is responsible for setting up communication with child worker. Each WebWorker spawns a new OS thread that is dedicated solely to that worker.