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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 <pjain@cs.wustl.edu> and Doug C. Schmidt <schmidt@cs.wustl.edu>
//
// ============================================================================
#include "test_config.h"
#include "ace/Get_Opt.h"
#include "ace/Thread_Manager.h"
#include "ace/Synch.h"
ACE_RCSID(tests, Recursive_Mutex_Test, "$Id$")
#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
// NOTE: This may be due to small stack size. We should
// try to set ACE_NEEDS_HUGE_THREAD_STACKSIZE instead.
static size_t n_iterations = 45;
#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,
ACE_TEXT ("(%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,
ACE_TEXT ("(%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_reinterpret_cast (ACE_Recursive_Thread_Mutex *,
arg);
recursive_worker (0, rm);
return 0;
}
#endif /* ACE_HAS_THREADS */
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("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_TEXT ("ACE doesn't support recursive process mutexes on this platform\n")));
#endif /* ACE_WIN32 */
ACE_END_TEST;
return 0;
}
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