X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fpool.ts;h=e65cc115d2d77c0a0590fa5f936043b16dcb38d2;hb=8cc4ea811611b8ad77c7b0379911afe497f2e7e4;hp=f4d9c7bba67d18d3c48a212159bf606fe409cfcf;hpb=fd04474e1c355504be97747915708645fd338b6c;p=poolifier.git

diff --git a/src/pools/pool.ts b/src/pools/pool.ts
index f4d9c7bb..e65cc115 100644
--- a/src/pools/pool.ts
+++ b/src/pools/pool.ts
@@ -47,7 +47,8 @@ export const PoolEvents = Object.freeze({
   full: 'full',
   destroy: 'destroy',
   error: 'error',
-  taskError: 'taskError'
+  taskError: 'taskError',
+  backPressure: 'backPressure'
 } as const)
 
 /**
@@ -177,8 +178,18 @@ export interface IPool<
   readonly info: PoolInfo
   /**
    * Pool worker nodes.
+   *
+   * @internal
    */
   readonly workerNodes: Array<IWorkerNode<Worker, Data>>
+  /**
+   * Whether the worker node has back pressure (i.e. its tasks queue is full).
+   *
+   * @param workerNodeKey - The worker node key.
+   * @returns `true` if the worker node has back pressure, `false` otherwise.
+   * @internal
+   */
+  readonly hasWorkerNodeBackPressure: (workerNodeKey: number) => boolean
   /**
    * Emitter on which events can be listened to.
    *
@@ -190,6 +201,7 @@ export interface IPool<
    * - '`destroy`': Emitted when the pool is destroyed.
    * - `'error'`: Emitted when an uncaught error occurs.
    * - `'taskError'`: Emitted when an error occurs while executing a task.
+   * - `'backPressure'`: Emitted when all worker nodes have back pressure (i.e. their tasks queue is full: queue size \>= pool maximum size^2).
    */
   readonly emitter?: PoolEmitter
   /**