import type { MessageChannel, WorkerOptions } from 'node:worker_threads'
import type { CircularArray } from '../circular-array.js'
-import type { Task } from '../utility-types.js'
+import type { Task, TaskFunctionProperties } from '../utility-types.js'
/**
* Callback invoked when the worker has started successfully.
/**
* Enumeration of worker types.
*/
-export const WorkerTypes = Object.freeze({
- thread: 'thread',
- cluster: 'cluster'
-} as const)
+export const WorkerTypes: Readonly<{ thread: 'thread', cluster: 'cluster' }> =
+ Object.freeze({
+ thread: 'thread',
+ cluster: 'cluster'
+ } as const)
/**
* Worker type.
*/
stealing: boolean
/**
- * Task function names.
+ * Back pressure flag.
+ * This flag is set to `true` when worker node tasks queue has back pressure.
*/
- taskFunctionNames?: string[]
+ backPressure: boolean
+ /**
+ * Task functions properties.
+ */
+ taskFunctionsProperties?: TaskFunctionProperties[]
}
/**
workerOptions?: WorkerOptions
env?: Record<string, unknown>
tasksQueueBackPressureSize: number | undefined
+ tasksQueueBucketSize: number | undefined
}
/**
* @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.
*
+ * @param bucket - The prioritized bucket to dequeue from. @defaultValue 0
* @returns The dequeued task.
*/
- readonly dequeueTask: () => Task<Data> | undefined
+ readonly dequeueTask: (bucket?: number) => Task<Data> | undefined
/**
- * Pops a task from the tasks queue.
+ * Dequeue last prioritized task.
*
- * @returns The popped task.
+ * @returns The dequeued task.
*/
- readonly popTask: () => Task<Data> | undefined
+ readonly dequeueLastPrioritizedTask: () => Task<Data> | undefined
/**
* Clears tasks queue.
*/
* @returns `true` if the worker node has back pressure, `false` otherwise.
*/
readonly hasBackPressure: () => boolean
- /**
- * Resets usage statistics.
- */
- readonly resetUsage: () => void
/**
* Terminates the worker node.
*/