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Diffstat (limited to 'examples/Threads/task_three.cpp')
| -rw-r--r-- | examples/Threads/task_three.cpp | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/examples/Threads/task_three.cpp b/examples/Threads/task_three.cpp deleted file mode 100644 index 08e5c0adb0c..00000000000 --- a/examples/Threads/task_three.cpp +++ /dev/null @@ -1,223 +0,0 @@ -// $Id$ - -// Exercise more tests for the ACE Tasks. This also shows off some -// Interesting uses of the ACE Log_Msg's ability to print to ostreams. -// BTW, make sure that you set the out_stream in *every* thread that -// you want to have write to the output file, i.e.: -// -// -// if (out_stream) -// { -// ACE_LOG_MSG->set_flags (ACE_Log_Msg::OSTREAM); -// ACE_LOG_MSG->msg_ostream (out_stream); -// } - -#include <fstream.h> -#include "ace/Reactor.h" -#include "ace/Service_Config.h" -#include "ace/Task.h" - - -#if defined (ACE_HAS_THREADS) - -static ofstream *out_stream = 0; - -static const int NUM_INVOCATIONS = 100; -static const int TASK_COUNT = 130; - -class Test_Task : public ACE_Task<ACE_MT_SYNCH> -{ -public: - Test_Task (void); - ~Test_Task (void); - - virtual int open (void *args = 0); - virtual int close (u_long flags = 0); - virtual int svc (void); - - virtual int handle_input (ACE_HANDLE fd); - - ACE_Reactor *r_; - int handled_; - static int current_count_; - static int done_cnt_; -}; - -int Test_Task::current_count_ = 0; -int Test_Task::done_cnt_ = 0; - -static ACE_Thread_Mutex lock_; - -Test_Task::Test_Task (void) -{ - ACE_GUARD (ACE_Thread_Mutex, ace_mon, lock_); - - this->handled_ = 0; - Test_Task::current_count_++; - ACE_DEBUG ((LM_DEBUG, - "Test_Task constructed, current_count_ = %d\n", - Test_Task::current_count_)); -} - -Test_Task::~Test_Task (void) -{ - ACE_GUARD (ACE_Thread_Mutex, ace_mon, lock_); - - ACE_DEBUG ((LM_DEBUG, "Test_Task destroyed, current_count_ = %d\n", - Test_Task::current_count_)); -} - -int -Test_Task::open (void *args) -{ - r_ = (ACE_Reactor *) args; - return ACE_Task<ACE_MT_SYNCH>::activate (THR_NEW_LWP); -} - -int -Test_Task::close (u_long) -{ - ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, lock_, -1); - - Test_Task::current_count_--; - ACE_DEBUG ((LM_DEBUG, "Test_Task::close () current_count_ = %d.\n", - Test_Task::current_count_)); - return 0; -} - -Test_Task::svc (void) -{ - // Every thread must register the same stream to write to file. - if (out_stream) - { - ACE_LOG_MSG->set_flags (ACE_Log_Msg::OSTREAM); - ACE_LOG_MSG->msg_ostream (out_stream); - } - - for (int index = 0; index < NUM_INVOCATIONS; index++) - { - ACE_OS::thr_yield (); - - if (r_->notify (this, ACE_Event_Handler::READ_MASK)) - { - ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, lock_, -1); - - ACE_DEBUG ((LM_DEBUG, "Test_Task: error notifying reactor!\n")); - } - } - - ACE_DEBUG ((LM_DEBUG, " (%t) returning from svc ()\n")); - return 0; -} - -int -Test_Task::handle_input (ACE_HANDLE) -{ - this->handled_++; - - if (this->handled_ == NUM_INVOCATIONS) - { - ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, lock_, -1); - Test_Task::done_cnt_++; - ACE_DEBUG ((LM_DEBUG, - " (%t) Test_Task: handle_input! done_cnt_ = %d.\n", - Test_Task::done_cnt_)); - } - - ACE_OS::thr_yield (); - return -1; -} - -static void * -dispatch (void *arg) -{ - // every thread must register the same stream to write to file - if (out_stream) - { - ACE_LOG_MSG->set_flags (ACE_Log_Msg::OSTREAM); - ACE_LOG_MSG->msg_ostream (out_stream); - } - - ACE_DEBUG ((LM_DEBUG, " (%t) Dispatcher Thread started!\n")); - ACE_Reactor *r = (ACE_Reactor *) arg; - int result; - - r->owner (ACE_OS::thr_self ()); - - while (1) - { - result = r->handle_events (); - if (result <= 0) - ACE_DEBUG ((LM_DEBUG, "Dispatch: handle_events (): %d", result)); - } - - return 0; -} - -extern "C" void -handler (int) -{ - *out_stream << flush; - out_stream->close (); - ACE_OS::exit (42); -} - -int -main (int argc, char **) -{ - if (argc > 1) - { - // Send output to file. - out_stream = new ofstream ("test_task_three.out", ios::trunc|ios::out); - ACE_LOG_MSG->set_flags (ACE_Log_Msg::OSTREAM); - ACE_LOG_MSG->msg_ostream (out_stream); - } - - // Register a signal handler. - ACE_Sig_Action sa ((ACE_SignalHandler) handler, SIGINT); - - ACE_Reactor *reactor1 = ACE_Service_Config::reactor (); - ACE_Reactor *reactor2 = new ACE_Reactor (); - - Test_Task t1[TASK_COUNT]; - Test_Task t2[TASK_COUNT]; - - ACE_Thread::spawn (ACE_THR_FUNC (dispatch), reactor2); - - reactor1->owner (ACE_OS::thr_self ()); - - for (int index = 0; index < TASK_COUNT; index++) - { - t1[index].open (reactor1); - t2[index].open (reactor2); - } - - ACE_OS::sleep (3); - - for (;;) - { - ACE_Time_Value timeout (2); - - if (reactor1->handle_events (timeout) <= 0) - { - if (errno == ETIME) - { - ACE_DEBUG ((LM_DEBUG, "no activity within 2 seconds, shutting down\n")); - break; - } - else - ACE_ERROR ((LM_ERROR, "%p error handling events\n", "main")); - } - } - - return 0; -} - -#else -int -main (int, char *[]) -{ - ACE_ERROR ((LM_ERROR, "threads not supported on this platform\n")); - return 0; -} -#endif /* ACE_HAS_THREADS */ |