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Pull dead workers #1

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6 changes: 4 additions & 2 deletions workerpool/workerpool.js
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ IN THE SOFTWARE.
var sys = require("sys");
var child_process = require("child_process");

function Worker (workerScript) {
function Worker (workerScript, pool) {
this.workerScript = workerScript;
this.process = child_process.spawn("node", [this.workerScript]);
var self = this;
Expand All @@ -35,6 +35,8 @@ function Worker (workerScript) {
});
this.process.addListener('exit', function (code) {
sys.debug('worker process exited with code ' + code);
if (pool.pullWorker(self, pool.activeWorkers) || pool.pullWorker(self, pool.idleWorkers))
sys.debug('manual pull');
if (self.timer) {
clearTimeout(self.timer);
self.timer = null;
Expand Down Expand Up @@ -157,7 +159,7 @@ WorkerPool.prototype.checkMaxWorkers = function WorkerPool$checkMaxWorkers () {
}
WorkerPool.prototype.addWorker = function WorkerPool$addWorker() {
if ((this.idleWorkers.length + this.activeWorkers.length) < this.options.maxWorkers)
this.idleWorkers.push(new Worker(this.workerScript));
this.idleWorkers.push(new Worker(this.workerScript, this));
}
WorkerPool.prototype.getWorker = function WorkerPool$getWorker () {
if (!this.idleWorkers.length)
Expand Down