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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// TSS_Test.cpp
//
// = DESCRIPTION
// This program tests thread specific storage of data. The ACE_TSS
// wrapper transparently ensures that the objects of this class
// will be placed in thread-specific storage. All calls on
// ACE_TSS::operator->() are delegated to the appropriate method
// in the Errno class.
//
// = AUTHOR
// Prashant Jain and Doug Schmidt
//
// ============================================================================
#include "ace/Task.h"
#include "ace/Token.h"
#if defined (ACE_HAS_THREADS)
class TSS_Obj
{
public:
TSS_Obj (void);
~TSS_Obj (void);
private:
static int count_;
static ACE_Thread_Mutex lock_;
};
int TSS_Obj::count_ = 0;
ACE_Thread_Mutex TSS_Obj::lock_;
TSS_Obj::TSS_Obj (void)
{
ACE_GUARD (ACE_Thread_Mutex, ace_mon, lock_);
count_++;
cout << "TO+ : " << count_ << endl;
}
TSS_Obj::~TSS_Obj (void)
{
ACE_GUARD (ACE_Thread_Mutex, ace_mon, lock_);
count_--;
cout << "TO- : " << count_ << endl;
}
class Test_Task
{
public:
Test_Task (void);
~Test_Task (void);
int open (void *arg);
static void *svc (void *arg);
static int wait_count_;
static int max_count_;
private:
static int count_;
};
int Test_Task::count_ = 0;
int Test_Task::wait_count_ = 0;
int Test_Task::max_count_ = 0;
int num_threads_ = 0;
ACE_Token token;
Test_Task::Test_Task (void)
{
ACE_GUARD (ACE_Token, ace_mon, token);
count_++;
cout << "Test_Task+ : "
<< count_ << " ("
<< ACE_OS::thr_self ()
<< ")" << endl;
}
Test_Task::~Test_Task (void)
{
ACE_GUARD (ACE_Token, ace_mon, token);
count_--;
cout << "Test_Task- : "
<< count_ << " ("
<< ACE_OS::thr_self ()
<< ")" << endl;
wait_count_--;
}
void *
Test_Task::svc (void *arg)
{
ACE_TSS<TSS_Obj> tss (new TSS_Obj);
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, 0);
wait_count_++;
max_count_++;
cout << "svc: waiting (" << ACE_OS::thr_self () << ")" << endl;
}
while (1)
{
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, 0);
if (max_count_ >= num_threads_)
break;
else
{
ace_mon.release ();
ACE_Thread::yield ();
ace_mon.acquire ();
}
}
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, 0);
cout << "svc: waiting (" << ACE_OS::thr_self () << ") finished" << endl;
}
}
delete (Test_Task *) arg;
return 0;
}
int
Test_Task::open (void *arg)
{
if (ACE_Thread::spawn (Test_Task::svc, arg) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "ACE_Thread::spawn"), 0);
return 0;
}
int
main (int argc, char **argv)
{
if (argc != 2)
{
cout << "Missing parameters!" << endl;
return 1;
}
int num_Tasks = atoi (argv[1]);
num_threads_ = num_Tasks;
Test_Task **task_arr = (Test_Task**) new char[sizeof (Test_Task*) * num_Tasks];
while (1)
{
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, -1);
cout << "ReseTest_Tasking Test_Task::max_count_ from: "
<< Test_Task::max_count_ << endl;
Test_Task::max_count_ = 0;
}
for (int i = 0; i < num_Tasks; i++)
{
task_arr[i] = new Test_Task;
task_arr[i]->open (task_arr[i]);
}
cout << "Waiting for first thread started..." << endl;
for (;;)
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, -1);
if (Test_Task::max_count_ != 0 )
{
ace_mon.release ();
ACE_Thread::yield ();
ace_mon.acquire ();
break;
}
ace_mon.release ();
ACE_Thread::yield ();
ace_mon.acquire ();
}
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, -1);
cout << "First thread started!" << endl
<< "Waiting for all threads finished..." << endl;
}
for (;;)
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, -1);
if (!(Test_Task::max_count_ == num_threads_
&& Test_Task::wait_count_ == 0))
{
ace_mon.release ();
ACE_Thread::yield ();
ace_mon.acquire ();
continue;
}
cout << "Test_Task::max_count_ = "
<< Test_Task::max_count_
<< " Test_Task::wait_count_ = "
<< Test_Task::wait_count_
<< endl;
break;
}
{
ACE_GUARD_RETURN (ACE_Token, ace_mon, token, -1);
cout << "All threads finished..." << endl;
}
ACE_OS::sleep (2);
}
return 0;
}
#else
int
main (int, char *[])
{
ACE_ERROR ((LM_ERROR, "threads not supported on this platform\n"));
return 0;
}
#endif /* ACE_HAS_THREADS */
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