C + + BREAK while

#include<iostream>#include<vector>#include<pthread.h>#include"destory_free_while.h"using namespacestd; Worker::worker () {shutdown=false; Num_thread=Ten;}voidWorker::start () {tids.resize (num_thread);  for(inti =0; I <num_thread; ++i) {if(Pthread_create (&tids[i], NULL, sleeping, This) ==0) {cout<<"Thread Start complete"<<Endl; }}}worker::~Worker () {cout<<"begin Destory Instance"<<Endl; Shutdown=true;  for(unsignedintI=0; I<tids.size (); i++) {pthread_join (tids[i], NULL); }}void* Worker::sleeping (void*Arg) {Worker* Work = (worker*) Arg;  while(true) {cout<<"."<<Flush; Sleep (1); if(work->shutdown) {cout<<"destory instance, thread quit"<<Endl;  Break; }    }}/*vim:set ts=4 sw=4 sts=4 tw=100*/

#ifndef Destory_free_while_h#defineDestory_free_while_h#include<vector>#include<pthread.h>classWorker { Public: Worker (); ~Worker (); voidstart (); Public:    Static void* Sleeping (void*Arg); Public: Std::vector<pthread_t>TIDs; intNum_thread; BOOLshutdown;};#endif  //Destory_free_while_h

<iostream>"destory_free_while.h"usingnamespace  STD; int Main () {    worker worker;    Worker.start ();    Sleep (a);     " Program Exit " << Endl;}

C + + BREAK while