Method increaseParallelism

lib/util/AsyncQueue.js:273–281

* Increase parallelism. * @returns {void}

()

	 * @returns {void}
	 */
	increaseParallelism() {
		const root = this._root;
		root._parallelism++;
		/* istanbul ignore next */
		if (root._willEnsureProcessing === false && root._needProcessing) {
			root._willEnsureProcessing = true;
			setImmediate(root._ensureProcessing);
		}
	}

	/**
	 * Decrease parallelism.