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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// TSS_Test.cpp
//
// = DESCRIPTION
// This program tests various features of ACE_Thread and the
// thread-specific storage variant of <ACE_Singleton>.
//
// = AUTHOR
// Prashant Jain and Doug Schmidt
//
// ============================================================================
#include "ace/Thread.h"
#include "TSS_Data.h"
#include "TSS_Obj.h"
#include "TSS_Task.h"
ACE_RCSID(Threads, tss2, "$Id$")
#if defined (ACE_HAS_THREADS)
const int MAX_TASKS = 4;
const int MAX_ITERATIONS = 10;
ACE_Atomic_Op<ACE_Token, int> Test_Task::count_ (0);
ACE_Atomic_Op<ACE_Token, int> Test_Task::wait_count_ (0);
ACE_Atomic_Op<ACE_Token, int> Test_Task::max_count_ (0);
int num_tasks = 0;
// ACE synchronization object.
static ACE_Token token;
ACE_Atomic_Op<ACE_Thread_Mutex, int> TSS_Obj::count_ = 0;
TSS_Obj::TSS_Obj (void)
{
TSS_Obj::count_++;
ACE_DEBUG ((LM_DEBUG, "(%t) TSS_Obj+: %d\n", TSS_Obj::count_.value ()));
}
TSS_Obj::~TSS_Obj (void)
{
TSS_Obj::count_--;
ACE_DEBUG ((LM_DEBUG, "(%t) TSS_Obj-: %d\n", TSS_Obj::count_.value ()));
}
Test_Task::Test_Task (void)
{
Test_Task::count_++;
ACE_DEBUG ((LM_DEBUG,
"(%t) Test_Task+: %d\n", Test_Task::count_.value ()));
}
Test_Task::~Test_Task (void)
{
Test_Task::count_--;
ACE_DEBUG ((LM_DEBUG,
"(%t) Test_Task-: %d\n", Test_Task::count_.value ()));
Test_Task::wait_count_--;
}
void *
Test_Task::svc (void *arg)
{
// When the thread exits this thread-specific object will be deleted
// automatically.
ACE_TSS<TSS_Obj> tss (new TSS_Obj);
TSS_DATA::instance ()->data (arg);
Test_Task::wait_count_++;
Test_Task::max_count_++;
ACE_DEBUG ((LM_DEBUG, "(%t) svc: waiting (data = %u)\n",
arg));
// Do a bunch of set operations on the TSS data just to make sure
// that it's truly in TSS (it it weren't, the assertion would fail).
while (Test_Task::max_count_ < num_tasks)
{
TSS_DATA::instance ()->data (arg);
ACE_Thread::yield ();
}
ACE_DEBUG ((LM_DEBUG, "(%t) svc: waiting finished (data = %u)\n",
arg));
#if 0
ACE_ASSERT (TSS_DATA::instance ()->data () == arg);
#endif
delete (Test_Task *) arg;
return 0;
}
int
Test_Task::open (void *arg)
{
if (ACE_Thread::spawn ((ACE_THR_FUNC) Test_Task::svc, arg) == -1)
ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "ACE_Thread::spawn"), 0);
return 0;
}
int
main (int argc, char *argv[])
{
num_tasks = argc > 1 ? atoi (argv[1]) : MAX_TASKS;
Test_Task **task_arr;
ACE_NEW_RETURN (task_arr, Test_Task *[num_tasks], -1);
for (int i = 0; i < MAX_ITERATIONS; i++)
{
ACE_DEBUG ((LM_DEBUG,
"(%t) ********* iteration %d **********\n"
"Test_Task::max_count_ %d\n",
i,
Test_Task::max_count_.value ()));
Test_Task::max_count_ = 0;
for (int j = 0; j < num_tasks; j++)
{
ACE_NEW_RETURN (task_arr[j], Test_Task, -1);
task_arr[j]->open (task_arr[j]);
}
ACE_DEBUG ((LM_DEBUG, "(%t) waiting for first thread started\n"));
for (;;)
{
ACE_Thread::yield ();
if (Test_Task::max_count_ != 0 )
break;
}
ACE_DEBUG ((LM_DEBUG, "(%t) First thread started\n"
"Waiting for all threads finished\n"));
for (;;)
{
if (!(Test_Task::max_count_ == num_tasks
&& Test_Task::wait_count_ == 0))
{
ACE_Thread::yield ();
continue;
}
ACE_DEBUG ((LM_DEBUG,
"(%t) Test_Task::max_count_ = %d,"
" Test_Task::wait_count_ = %d",
Test_Task::max_count_.value (),
Test_Task::wait_count_.value ()));
break;
}
ACE_DEBUG ((LM_DEBUG, "(%t) all threads finished\n"));
}
return 0;
}
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
template class ACE_Atomic_Op<ACE_Thread_Mutex, int>;
template class ACE_Atomic_Op<ACE_Token, int>;
template class ACE_Guard<ACE_Token>;
template class ACE_TSS<TSS_Data>;
template class ACE_TSS<TSS_Obj>;
template class ACE_TSS_Singleton<TSS_Data, ACE_SYNCH_MUTEX>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
#pragma instantiate ACE_Atomic_Op<ACE_Thread_Mutex, int>
#pragma instantiate ACE_Atomic_Op<ACE_Token, int>
#pragma instantiate ACE_Guard<ACE_Token>
#pragma instantiate ACE_TSS<TSS_Data>
#pragma instantiate ACE_TSS<TSS_Obj>
#pragma instantiate ACE_TSS_Singleton<TSS_Data, ACE_SYNCH_MUTEX>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
#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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