Class
ParallelProcess
并发进程 对应于callx不带H的情形，在本机进程上，模拟线程执行任务 分机接到的pCaller也是该类执行，pCaller可以一次处理一个或者多个参数 @author Joancy
Source from the content-addressed store, hash-verified
source not stored for this graph (policy: none)
Callers
nothing calls this directly
Tested by
no test coverage detected