test_mutex.cpp

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// $Id: test_mutex.cpp 82739 2008-09-16 12:20:46Z johnnyw $

// ============================================================================
//
// = LIBRARY
//    examples
//
// = FILENAME
//    test_mutex.cpp
//
// = DESCRIPTION
//
// = AUTHOR
//    Tim Harrison
//
// ============================================================================

#include "ace/Get_Opt.h"
#include "ace/Local_Tokens.h"
#include "ace/Remote_Tokens.h"
#include "ace/Thread.h"
#include "ace/Thread_Manager.h"

#if defined (ACE_HAS_THREADS) && defined (ACE_HAS_THREADS_LIBRARY)

ACE_RCSID(mutex, test_mutex, "$Id: test_mutex.cpp 82739 2008-09-16 12:20:46Z johnnyw $")

static ACE_Token_Proxy *mutex;
static int remote_mutexes = 0;
static const char *server_host = ACE_DEFAULT_SERVER_HOST;
static int server_port = ACE_DEFAULT_SERVER_PORT;
static int iterations = 100;
static int spawn_count = 2;

static void *
run_test (void *)
{
  int count = iterations;
  // test recursive acquisition of a global proxy
  while (count--)
    {
      if (mutex->acquire () == -1)
        {
          ACE_ERROR ((LM_ERROR, "(%t) %p acquire failed\n","test_mutex"));
          return (void *) -1;
        }

//      mutex->acquire ();
      if (mutex->renew () == -1)
        {
          ACE_ERROR ((LM_ERROR, "(%t) %p renew failed\n","test_mutex"));
          return (void *) -1;
        }

      if (mutex->release () == -1)
        {
          ACE_ERROR ((LM_ERROR, "(%t) %p release failed\n","test_mutex"));
          return (void *) -1;
        }

//      mutex->release ();
    }

  return 0;
}

static int
parse_args (int argc, ACE_TCHAR *argv[])
{
  ACE_LOG_MSG->open (argv[0]);

  ACE_Get_Opt get_opt (argc, argv, ACE_TEXT("t:uh:p:n:"), 1);

  for (int c; (c = get_opt ()) != -1; )
    {
      switch (c)
        {
        case 't':
          spawn_count = ACE_OS::atoi (get_opt.opt_arg ());
          break;
        case 'h':  // specify the host machine on which the server is running
          server_host = get_opt.opt_arg ();
          remote_mutexes = 1;
          break;
        case 'p':  // specify the port on which the server is running
          server_port = ACE_OS::atoi (get_opt.opt_arg ());
          remote_mutexes = 1;
          break;
        case 'n':  // specify the port on which the server is running
          iterations = ACE_OS::atoi (get_opt.opt_arg ());
          break;
        case 'u':
          default:
          ACE_ERROR_RETURN ((LM_ERROR,
                             "%n:\n"
                             "[-h <remote host>]\n"
                             "[-p <remote port>]\n"
                             "[-n <iterations>]\n"
                             "[-t <threads>]\n"
                             "[-h <remote host>]\n"
                             "[-p <remote port>]\n", 1), -1);
        /* NOTREACHED */
        }
    }

  return 0;
}

int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  ACE_Thread_Manager thread_mgr;

  if (parse_args (argc, argv) == -1)
    return -1;

  if (remote_mutexes)
    {
      ACE_Remote_Mutex::set_server_address (ACE_INET_Addr (server_port, server_host));
      mutex = new ACE_Remote_Mutex ("Remote TOKEN", 0, 1);
    }
  else
    {
      mutex = new ACE_Local_Mutex ("Local TOKEN", 0, 1);
    }

  if (thread_mgr.spawn_n (spawn_count,
                          ACE_THR_FUNC (run_test),
                          0,
                          THR_BOUND) == -1)
    ACE_ERROR_RETURN ((LM_DEBUG, "%p\n", "spawn"), -1);

  thread_mgr.wait ();

  return 0;
}
#else
int ACE_TMAIN (int, ACE_TCHAR *[])
{
  ACE_ERROR_RETURN ((LM_ERROR, "you must have threads to run this test program\n"), -1);
}
#endif /* ACE_HAS_THREADS */