lock
lock asynchronous resources.
Simple Example
var Lock = require('lock')
var lock = Lock()
lock('key', function (release) { //called when resource is available.
//do an async operation, and wrap the callback with release.
someAsyncOperation(args,..., release(function (err) {
//'key' is not unlocked!
})
})Multiple Locks at Once.
var Lock = require('lock')
var lock = Lock()
lock(['A', 'B', 'C'], function (release) { //called, when ALL
//resources are available.
//do an async operation, and wrap the callback with release(cb)
someAsyncOperation(args,..., release(function (err) {
//A, B & C are now unlocked!
})
})used in level-update
License
MIT