4 Aug
2009
4 Aug
'09
2:30 p.m.
Andrew Francis wrote:
Simple definition: In a synchronous call, the caller blocks until a result is ready. Upon return the next statement is executed (barring something like an exception). In an asynchronous call, the caller does not wait for a result and continues.
Just a thought on terminology: in the syncrhonous situation, A calls B; in async, A initiates (or triggers) B. The intent here is to remove any connotation that A might wait for a response. In line with this, B isn't a function or method, it's a task, unit of work, process, ... For what it may be worth... -- Don Dwiggins Advanced Publishing Technology