diff options
Diffstat (limited to 'examples/Threads/task_one.cpp')
-rw-r--r-- | examples/Threads/task_one.cpp | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/examples/Threads/task_one.cpp b/examples/Threads/task_one.cpp deleted file mode 100644 index 14016f795dc..00000000000 --- a/examples/Threads/task_one.cpp +++ /dev/null @@ -1,100 +0,0 @@ -// $Id$ - -// This test program illustrates how the ACE barrier synchronization -// mechanisms work in conjunction with the ACE_Task and the -// ACE_Thread_Manager. It is instructive to compare this with the -// test_barrier.cpp test to see how they differ. - -#include "ace/Task.h" -#include "ace/Service_Config.h" - -ACE_RCSID(Threads, task_one, "$Id$") - -#if defined (ACE_HAS_THREADS) - -#include "ace/Task.h" - -class Barrier_Task : public ACE_Task<ACE_MT_SYNCH> -{ -public: - Barrier_Task (ACE_Thread_Manager *thr_mgr, - int n_threads, - int n_iterations); - - virtual int svc (void); - // Iterate <n_iterations> time printing off a message and "waiting" - // for all other threads to complete this iteration. - -private: - ACE_Barrier barrier_; - // Reference to the tester barrier. This controls each - // iteration of the tester function running in every thread. - - int n_iterations_; - // Number of iterations to run. -}; - -Barrier_Task::Barrier_Task (ACE_Thread_Manager *thr_mgr, - int n_threads, - int n_iterations) - : ACE_Task<ACE_MT_SYNCH> (thr_mgr), - barrier_ (n_threads), - n_iterations_ (n_iterations) -{ - // Create worker threads. - if (this->activate (THR_NEW_LWP, n_threads) == -1) - ACE_ERROR ((LM_ERROR, "%p\n", "activate failed")); -} - -// Iterate <n_iterations> time printing off a message and "waiting" -// for all other threads to complete this iteration. - -int -Barrier_Task::svc (void) -{ - // Note that the ACE_Task::svc_run() method automatically adds us to - // the Thread_Manager when the thread begins. - - for (int iterations = 1; - iterations <= this->n_iterations_; - iterations++) - { - ACE_DEBUG ((LM_DEBUG, "(%t) in iteration %d\n", iterations)); - - // Block until all other threads have waited, then continue. - this->barrier_.wait (); - } - - // Note that the ACE_Task::svc_run() method automatically removes us - // from the Thread_Manager when the thread exits. - - return 0; -} - -// Default number of threads to spawn. -static const int DEFAULT_ITERATIONS = 5; - -int -main (int argc, char *argv[]) -{ - int n_threads = argc > 1 ? ACE_OS::atoi (argv[1]) : ACE_DEFAULT_THREADS; - int n_iterations = argc > 2 ? ACE_OS::atoi (argv[2]) : DEFAULT_ITERATIONS; - - Barrier_Task barrier_task (ACE_Thread_Manager::instance (), - n_threads, - n_iterations); - - // Wait for all the threads to reach their exit point. - ACE_Thread_Manager::instance ()->wait (); - - ACE_DEBUG ((LM_DEBUG, "(%t) done\n")); - return 0; -} -#else -int -main (int, char *[]) -{ - ACE_ERROR ((LM_ERROR, "threads not supported on this platform\n")); - return 0; -} -#endif /* ACE_HAS_THREADS */ |