summaryrefslogtreecommitdiff
path: root/examples/Threads/test_process_mutex.cpp
blob: fb23c8b73be912bad17719df2b16f7d95a9e42c8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
// $Id$

// This program tests ACE_Process_Mutexes.  To run it, open 3 or 4
// windows and run this program in each window...

#include "ace/Synch.h"
#include "ace/Signal.h"

#if defined (ACE_HAS_THREADS)

static sig_atomic_t done;

extern "C" void 
handler (int)
{
  done = 1;
}

int
main (int argc, char *argv[])
{
  char *name = argc > 1 ? argv[1] : "hello";
  int iterations =  argc > 2 ? ACE_OS::atoi (argv[2]) : 100;

  ACE_Process_Mutex pm (name);

  // Register a signal handler.
  ACE_Sig_Action sa ((ACE_SignalHandler) handler, SIGINT);

  for (int i = 0; i < iterations && !done; i++)
    {
      ACE_DEBUG ((LM_DEBUG, "(%P|%t) = acquiring\n"));
      if (pm.acquire () == -1)
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = %p\n", "acquire failed"));
      else
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = acquired\n"));

      ACE_OS::sleep (3);

      if (pm.release () == -1)
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = %p\n", "release failed"));
      else
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = released\n"));

      if (pm.tryacquire () == -1)
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = %p\n", "tryacquire failed"));
      else
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = tryacquire\n"));

      if (pm.release () == -1)
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = %p\n", "release failed"));
      else
	ACE_DEBUG ((LM_DEBUG, "(%P|%t) = released\n"));
    }

  if (argc > 2)
    pm.remove ();
  return 0;
}
#else
int 
main (void)
{
  ACE_ERROR_RETURN ((LM_ERROR, 
		     "ACE doesn't support support threads on this platform (yet)\n"),
		    -1);
}
#endif /* ACE_HAS_THREADS */