X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fworker.ts;h=c1af1cf79c99d05e7c803e7d072529301b6d678a;hb=b7ea53bbd96886c5bc95c13943e5c92a3206f8a5;hp=35d9f755bc3f9d4d321c8ac7b999261a3e1d613a;hpb=5d9133ae9ef83c5f69e26daf8dcfea584884d9c4;p=poolifier.git

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index 35d9f755..c1af1cf7 100644
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -1,7 +1,7 @@
 import type { EventEmitter } from 'node:events'
 import type { MessageChannel, WorkerOptions } from 'node:worker_threads'
 
-import type { CircularArray } from '../circular-array.js'
+import type { CircularBuffer } from '../circular-buffer.js'
 import type { Task, TaskFunctionProperties } from '../utility-types.js'
 
 /**
@@ -52,6 +52,11 @@ export type EventHandler<Worker extends IWorker> =
   | ErrorHandler<Worker>
   | ExitHandler<Worker>
 
+/**
+ * Measurement history size.
+ */
+export const MeasurementHistorySize = 386
+
 /**
  * Measurement statistics.
  *
@@ -81,7 +86,7 @@ export interface MeasurementStatistics {
   /**
    * Measurement history.
    */
-  readonly history: CircularArray<number>
+  readonly history: CircularBuffer
 }
 
 /**
@@ -172,6 +177,11 @@ export interface WorkerInfo {
    * This flag is set to `true` when worker node is stealing tasks from another worker node.
    */
   stealing: boolean
+  /**
+   * Back pressure flag.
+   * This flag is set to `true` when worker node tasks queue has back pressure.
+   */
+  backPressure: boolean
   /**
    * Task functions properties.
    */
@@ -268,6 +278,7 @@ export interface WorkerNodeOptions {
   env?: Record<string, unknown>
   tasksQueueBackPressureSize: number | undefined
   tasksQueueBucketSize: number | undefined
+  tasksQueuePriority: boolean | undefined
 }
 
 /**
@@ -305,6 +316,12 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown>
    * This is the number of tasks that can be enqueued before the worker node has back pressure.
    */
   tasksQueueBackPressureSize: number
+  /**
+   * Sets tasks queue priority.
+   *
+   * @param enablePriority - Whether to enable tasks queue priority.
+   */
+  readonly setTasksQueuePriority: (enablePriority: boolean) => void
   /**
    * Tasks queue size.
    *
@@ -325,6 +342,12 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown>
    * @returns The dequeued task.
    */
   readonly dequeueTask: (bucket?: number) => Task<Data> | undefined
+  /**
+   * Dequeue last prioritized task.
+   *
+   * @returns The dequeued task.
+   */
+  readonly dequeueLastPrioritizedTask: () => Task<Data> | undefined
   /**
    * Clears tasks queue.
    */