X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;ds=inline;f=src%2Fpools%2Fworker.ts;h=d6c236591341c2fb73086d62cdb111cecd2a012e;hb=0ffa432eaff319902a2657c5e44374ea109cfb87;hp=5ac90fbf1783e9e04a7e820e37c961e8527385ff;hpb=c4e7e9d1e0c33a8318b60f2165269edcf3352a90;p=poolifier.git

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index 5ac90fbf..d6c23659 100644
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -2,6 +2,11 @@ import type { MessageChannel } from 'node:worker_threads'
 import type { CircularArray } from '../circular-array'
 import type { Task } from '../utility-types'
 
+/**
+ * Callback invoked when the worker has started successfully.
+ */
+export type OnlineHandler<Worker extends IWorker> = (this: Worker) => void
+
 /**
  * Callback invoked if the worker has received a message.
  */
@@ -18,11 +23,6 @@ export type ErrorHandler<Worker extends IWorker> = (
   error: Error
 ) => void
 
-/**
- * Callback invoked when the worker has started successfully.
- */
-export type OnlineHandler<Worker extends IWorker> = (this: Worker) => void
-
 /**
  * Callback invoked when the worker exits successfully.
  */
@@ -141,10 +141,6 @@ export interface WorkerInfo {
    * Task function names.
    */
   taskFunctions?: string[]
-  /**
-   * Message channel.
-   */
-  messageChannel?: MessageChannel
 }
 
 /**
@@ -215,6 +211,10 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown> {
    * Worker info.
    */
   readonly info: WorkerInfo
+  /**
+   * Message channel.
+   */
+  readonly messageChannel?: MessageChannel
   /**
    * Worker usage statistics.
    */
@@ -242,16 +242,25 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown> {
    * Clears tasks queue.
    */
   readonly clearTasksQueue: () => void
+  /**
+   * Whether the worker node has back pressure (i.e. its tasks queue is full).
+   *
+   * @returns `true` if the worker node has back pressure, `false` otherwise.
+   */
+  readonly hasBackPressure: () => boolean
   /**
    * Resets usage statistics .
    */
   readonly resetUsage: () => void
   /**
-   * Close communication channel.
+   * Closes communication channel.
    */
   readonly closeChannel: () => void
   /**
-   * Gets task worker usage statistics.
+   * Gets task function worker usage statistics.
+   *
+   * @param name - The task function name.
+   * @returns The task function worker usage statistics if the task function worker usage statistics are initialized, `undefined` otherwise.
    */
   readonly getTaskWorkerUsage: (name: string) => WorkerUsage | undefined
 }