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denoland-deno/core/plugins.rs
Ryan Dahl 161cf7cdfd
refactor: Use Tokio's single-threaded runtime (#3844)
This change simplifies how we execute V8. Previously V8 Isolates jumped
around threads every time they were woken up. This was overly complex and
potentially hurting performance in a myriad ways. Now isolates run on
their own dedicated thread and never move.

- blocking_json spawns a thread and does not use a thread pool
- op_host_poll_worker and op_host_resume_worker are non-operational
- removes Worker::get_message and Worker::post_message
- ThreadSafeState::workers table contains WorkerChannel entries instead
  of actual Worker instances.
- MainWorker and CompilerWorker are no longer Futures.
- The multi-threaded version of deno_core_http_bench was removed.
- AyncOps no longer need to be Send + Sync

This PR is very large and several tests were disabled to speed
integration:
- installer_test_local_module_run
- installer_test_remote_module_run
- _015_duplicate_parallel_import
- _026_workers
2020-02-03 18:08:44 -05:00

22 lines
453 B
Rust

use crate::isolate::ZeroCopyBuf;
use crate::ops::CoreOp;
pub type PluginInitFn = fn(context: &mut dyn PluginInitContext);
pub trait PluginInitContext {
fn register_op(
&mut self,
name: &str,
op: Box<dyn Fn(&[u8], Option<ZeroCopyBuf>) -> CoreOp + 'static>,
);
}
#[macro_export]
macro_rules! init_fn {
($fn:path) => {
#[no_mangle]
pub fn deno_plugin_init(context: &mut dyn PluginInitContext) {
$fn(context)
}
};
}