Asyn proposals.
Objective:
1, threadpool + blocking queue
fn main
enQueue(waitTrig)
fn waitTrig
print 'Wait Trig Done'
enQueue(startOtf)
enQueue(PrepareNextJob)
fn startOtf
enQueue(waitGrabDone)
enQueue(Inspect)
fn waitGrabDone
enQueue(waitTrig)
2, javascript promise
3, c++ future
http://www.cnblogs.com/haippy/p/3279565.html
http://blog.csdn.net/liuxuejiang158blog/article/details/17354115
http://stackoverflow.com/questions/12620186/futures-vs-promises
http://stackoverflow.com/questions/11004273/what-is-stdpromise
http://stackoverflow.com/questions/20974022/c-futures-promises-like-javascript
4, javascript callback
5,impl a asyn functions in node.js
https://blog.scottfrees.com/building-an-asynchronous-c-addon-for-node-js-using-nan
5.asyn await
https://msdn.microsoft.com/en-us/library/hh191443.aspx
http://huan-lin.blogspot.com/2016/01/async-and-await.html
http://www.cnblogs.com/jesse2013/p/async-and-await.html