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//=============================================================================
/**
* @file Auto_IncDec_Test.cpp
*
* This is a simple test of the Auto Increment/Decrement Class in
* ACE.
*
* @author Edan Ayal <EdanA@cti2.com>
*/
//=============================================================================
#include "test_config.h"
#include "ace/Auto_IncDec_T.h"
#include "ace/Thread_Manager.h"
#include "ace/Atomic_Op.h"
#include "ace/OS_NS_unistd.h"
#if defined (ACE_HAS_THREADS)
// Default number of threads.
static size_t n_threads = 15;
using INTERLOCKED_INT = ACE_Atomic_Op<ACE_Thread_Mutex, int>;
static INTERLOCKED_INT current_threads_in_first_section;
static INTERLOCKED_INT current_threads_in_second_section;
static void *
worker (void *)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT (" (%t) worker starting\n")));
{ // First section.
ACE_Auto_IncDec<INTERLOCKED_INT> threads_in_section_auto_inc_dec
(current_threads_in_first_section);
// Wait according to the number of threads...
ACE_Time_Value pause (current_threads_in_first_section.value (),
0);
ACE_OS::sleep (pause);
}
{ // Second section.
ACE_Auto_IncDec<INTERLOCKED_INT> threads_in_section_auto_inc_dec
(current_threads_in_second_section);
// Wait according to the number of threads inside the previous
// section...
ACE_Time_Value pause (current_threads_in_first_section.value (),
0);
ACE_OS::sleep (pause);
}
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT (" (%t) worker exiting\n")));
return 0;
}
#endif /* ACE_HAS_THREADS */
// Spawn off threads.
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("Auto_IncDec_Test"));
#if defined (ACE_HAS_THREADS)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT (" (%t) main thread starting\n")));
current_threads_in_first_section = 0;
current_threads_in_second_section = 0;
if (ACE_Thread_Manager::instance ()->spawn_n
(n_threads,
ACE_THR_FUNC (worker),
0,
THR_NEW_LWP) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("spawn_n")),
-1);
// Make sure at least one thread is started...
ACE_Thread::yield ();
while (ACE_Thread_Manager::instance ()->count_threads ())
{
// wait according to the number of threads...
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT (" %d in first section, %d in second section, %d total\n"),
current_threads_in_first_section.value (),
current_threads_in_second_section.value (),
ACE_Thread_Manager::instance ()->count_threads ()));
ACE_Time_Value pause (1, 0);
ACE_OS::sleep (pause);
}
ACE_Thread_Manager::instance ()->wait ();
ACE_TEST_ASSERT (current_threads_in_first_section.value () == 0
&& current_threads_in_second_section.value () == 0);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT (" (%t) exiting main thread\n")));
#else
int counter = 0;
{
ACE_Auto_IncDec<int> Auto_IncDec1 (counter);
ACE_TEST_ASSERT (counter == 1);
ACE_Auto_IncDec<int> Auto_IncDec2 (counter);
ACE_TEST_ASSERT (counter == 2);
{
ACE_TEST_ASSERT (counter == 2);
ACE_Auto_IncDec<int> Auto_IncDec3 (counter);
ACE_TEST_ASSERT (counter == 3);
}
ACE_TEST_ASSERT (counter == 2);
}
ACE_TEST_ASSERT (counter == 0);
#endif /* ACE_HAS_THREADS */
ACE_END_TEST;
return 0;
}
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