import { isMainThread, MessageChannel, SHARE_ENV, Worker } from 'worker_threads'
-import type { Draft, JSONValue, MessageValue } from '../../utility-types'
+import type { Draft, MessageValue } from '../../utility-types'
import type { PoolOptions } from '../abstract-pool'
import { AbstractPool } from '../abstract-pool'
*
* This pool selects the threads in a round robin fashion.
*
- * @template Data Type of data sent to the worker.
- * @template Response Type of response of execution.
+ * @template Data Type of data sent to the worker. This can only be serializable data.
+ * @template Response Type of response of execution. This can only be serializable data.
*
* @author [Alessandro Pio Ardizio](https://github.com/pioardi)
* @since 0.0.1
*/
export class FixedThreadPool<
- Data extends JSONValue = JSONValue,
- Response extends JSONValue = JSONValue
+ Data = unknown,
+ Response = unknown
> extends AbstractPool<ThreadWorkerWithMessageChannel, Data, Response> {
/**
* Constructs a new poolifier fixed thread pool.
protected async destroyWorker (
worker: ThreadWorkerWithMessageChannel
): Promise<void> {
+ this.sendToWorker(worker, { kill: 1 })
await worker.terminate()
- // FIXME: The tests are currently failing, so these must be changed first
}
protected sendToWorker (
worker.postMessage(message)
}
- protected registerWorkerMessageListener (
- port: ThreadWorkerWithMessageChannel,
- listener: (message: MessageValue<Response>) => void
+ protected registerWorkerMessageListener<Message extends Data | Response> (
+ messageChannel: ThreadWorkerWithMessageChannel,
+ listener: (message: MessageValue<Message>) => void
): void {
- port.port2?.on('message', listener)
+ messageChannel.port2?.on('message', listener)
}
- protected unregisterWorkerMessageListener (
- port: ThreadWorkerWithMessageChannel,
- listener: (message: MessageValue<Response>) => void
+ protected unregisterWorkerMessageListener<Message extends Data | Response> (
+ messageChannel: ThreadWorkerWithMessageChannel,
+ listener: (message: MessageValue<Message>) => void
): void {
- port.port2?.removeListener('message', listener)
+ messageChannel.port2?.removeListener('message', listener)
}
- protected newWorker (): ThreadWorkerWithMessageChannel {
+ protected createWorker (): ThreadWorkerWithMessageChannel {
return new Worker(this.filePath, {
env: SHARE_ENV
})
}
- protected afterNewWorkerPushed (
- worker: ThreadWorkerWithMessageChannel
- ): void {
+ protected afterWorkerSetup (worker: ThreadWorkerWithMessageChannel): void {
const { port1, port2 } = new MessageChannel()
worker.postMessage({ parent: port1 }, [port1])
worker.port1 = port1