X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fworker.ts;h=14c8dbe1e1d444f5404e8562c1c59ecf1585d869;hb=255d48dfda3aae693d228d0c1caea6f9ab296b8b;hp=e4a31e393fad35e06368e3d33cc5820ca1dbd099;hpb=336e91c4a22c1c67f0f1cff28dbbb18bff8d8083;p=poolifier.git

diff --git a/src/pools/worker.ts b/src/pools/worker.ts
index e4a31e39..14c8dbe1 100644
--- a/src/pools/worker.ts
+++ b/src/pools/worker.ts
@@ -219,6 +219,23 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown> {
    * Worker usage statistics.
    */
   usage: WorkerUsage
+  /**
+   * Tasks queue back pressure size.
+   * This is the number of tasks that can be enqueued before the worker node has back pressure.
+   */
+  tasksQueueBackPressureSize: number
+  /**
+   * Callback invoked when worker node tasks queue is back pressured.
+   *
+   * @param workerId - The worker id.
+   */
+  onBackPressure?: (workerId: number) => void
+  /**
+   * Callback invoked when worker node tasks queue is empty.
+   *
+   * @param workerId - The worker id.
+   */
+  onEmptyQueue?: (workerId: number) => void
   /**
    * Tasks queue size.
    *
@@ -232,12 +249,25 @@ export interface IWorkerNode<Worker extends IWorker, Data = unknown> {
    * @returns The tasks queue size.
    */
   readonly enqueueTask: (task: Task<Data>) => number
+  /**
+   * Prepends a task to the tasks queue.
+   *
+   * @param task - The task to prepend.
+   * @returns The tasks queue size.
+   */
+  readonly unshiftTask: (task: Task<Data>) => number
   /**
    * Dequeue task.
    *
    * @returns The dequeued task.
    */
   readonly dequeueTask: () => Task<Data> | undefined
+  /**
+   * Pops a task from the tasks queue.
+   *
+   * @returns The popped task.
+   */
+  readonly popTask: () => Task<Data> | undefined
   /**
    * Clears tasks queue.
    */