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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// Recursive_Mutex_Test.cpp
//
// = DESCRIPTION
// This test program verifies the functionality of the ACE_OS
// implementation of recursive mutexes on Win32 and Posix
// pthreads.
//
// = AUTHOR
// Prashant Jain and Doug C. Schmidt
//
// ============================================================================
#include "ace/Get_Opt.h"
#include "ace/Thread_Manager.h"
#include "ace/Synch.h"
#include "test_config.h"
#if defined (ACE_HAS_THREADS)
// Total number of iterations.
#if defined (CHORUS)
// Chorus can't handle 100 iterations:
// [amThrd.C:154]: Failed to allocate an AmActor
static size_t n_iterations = 50;
#else /* ! CHORUS */
static size_t n_iterations = 100;
#endif /* ! CHORUS */
static size_t n_threads = ACE_MAX_THREADS;
static void
recursive_worker (size_t nesting_level,
ACE_Recursive_Thread_Mutex *rm)
{
if (nesting_level < n_iterations)
{
ACE_ASSERT (rm->acquire () == 0);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) = acquired, nesting = %d, thread id = %u\n",
rm->get_nesting_level (), rm->get_thread_id ()));
recursive_worker (nesting_level + 1, rm);
ACE_ASSERT (rm->release () == 0);
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) = released, nesting = %d, thread id = %u\n",
rm->get_nesting_level (), rm->get_thread_id ()));
}
}
static void *
worker (void *arg)
{
ACE_Recursive_Thread_Mutex *rm = (ACE_Recursive_Thread_Mutex *) arg;
recursive_worker (0, rm);
return 0;
}
#endif /* ACE_HAS_THREADS */
int
main (int, char *[])
{
ACE_START_TEST ("Recursive_Mutex_Test");
#if defined (ACE_HAS_THREADS)
ACE_Recursive_Thread_Mutex rm;
ACE_Thread_Manager::instance ()->spawn_n (n_threads,
ACE_THR_FUNC (worker),
(void *) &rm);
ACE_Thread_Manager::instance ()->wait ();
#else
ACE_ERROR ((LM_ERROR,
"ACE doesn't support support process mutexes on this platform (yet)\n"));
#endif /* ACE_WIN32 */
ACE_END_TEST;
return 0;
}
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