VC++ ACE线程代码实例11例子

#include "stdafx.h" #include "ace/Synch.h" #ifdef _DEBUG #pragma comment(lib,"aced") #else #pragma comment(lib,"aced") #endif static int number=0; static int seed=0; #include "ace/Thread_Manager.h" //static const int DEFAULT_THREADS = ACE_DEFAULT_THREADS; //static const int DEFAULT_ITERATIONS = 100000; static void *worker (int iterations) { ACE_OS::printf("ddd\n"); ACE_OS::sleep (1); for (int i = 0; i < iterations; i++) { //ACE_DEBUG ((LM_DEBUG,"(%t) checking cancellation before iteration %d!\n", i)); //Before doing work check if you have been canceled. If so don’t //do any more work. if (ACE_Thread_Manager::instance ()->testcancel(ACE_Thread::self ()) != 0) {//Worker函数中的每个线程将使用ACE_Thread_Manager的testcancel()来检查取消情况 //ACE_DEBUG ((LM_DEBUG,"(%t) has been canceled before iteration %d!\n",i)); break; } ACE_OS::printf("循环次数\n"); } return 0; } int main (int argc, char *argv[]) { int n_threads = 1; int n_iterations = 10; ACE_Thread_Manager *thr_mgr = ACE_Thread_Manager::instance (); //Create a group of threads n_threads that will execute the worker //function the spawn_n method returns the group ID for the group of //threads that are spawned. The argument n_iterations is passed back //to the worker. Notice that all threads are created detached. int grp_id = thr_mgr->spawn_n (n_threads, ACE_THR_FUNC (worker),(void *) n_iterations,THR_NEW_LWP | THR_DETACHED); // Wait for 1 second and then suspend every thread in the group. ACE_OS::sleep (1); //ACE_DEBUG ((LM_DEBUG, "(%t) suspending group\n")); if (thr_mgr->suspend_grp (grp_id) == -1)//挂起 { ACE_ERROR ((LM_DEBUG, "(%t) %p\n", "Could not suspend_grp")); } // Wait for 1 more second and then resume every thread in the // group. ACE_OS::sleep (5); //ACE_DEBUG ((LM_DEBUG, "(%t) resuming group\n")); if (thr_mgr->resume_grp (grp_id) == -1)//恢复 { ACE_ERROR ((LM_DEBUG, "(%t) %p\n", "resume_grp")); } // Wait for 1 more second and then cancel all the threads. //ACE_DEBUG ((LM_DEBUG, "(%t) canceling group\n")); if (thr_mgr->cancel_grp (grp_id) == -1)//取消 { ACE_ERROR ((LM_DEBUG, "(%t) %p\n", "cancel_grp")); } // Perform a barrier wait until all the threads have shut down. thr_mgr->wait (); return 0; }