Asynchrony, in computer programming, refers to the occurrence of events independent of the mainprogram flow and ways to deal with such events. These may be "outside" events such as the arrival ofsignals, or actions instigated by a program that take place concurrently with program execution, withoutthe program blocking to wait for results. ... This computing article is a stub.
原文：https://www.cnblogs.com/feng9exe/p/11111718.html