Sha256: 62565f366b445154491558c658f69a7c50b60f98f9d8581ff68c3ddab24ae3af
Contents?: true
Size: 567 Bytes
Versions: 3
Compression:
Stored size: 567 Bytes
Contents
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
class Semaphore {
constructor(available) {
this.available = available;
this.waiters = [];
}
acquire(callback) {
if(this.available > 0) {
this.available--;
callback();
} else {
this.waiters.push(callback);
}
}
release() {
if(this.waiters.length > 0) {
const callback = this.waiters.pop();
process.nextTick(callback);
} else {
this.available++;
}
}
}
module.exports = Semaphore;
Version data entries
3 entries across 3 versions & 2 rubygems