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// $Id: process_semaphore.cpp 91671 2010-09-08 18:39:23Z johnnyw $
// This program tests ACE_Process_Semaphore. To run it, open 3 or 4
// windows and run this program in each window...
#include "ace/OS_main.h"
#include "ace/OS_NS_unistd.h"
#include "ace/Signal.h"
#include "ace/Log_Msg.h"
#include "ace/Process_Semaphore.h"
#include "ace/OS_NS_stdlib.h"
static sig_atomic_t done;
extern "C" void
handler (int)
{
done = 1;
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
const ACE_TCHAR *name = argc == 1 ? ACE_TEXT("hello") : argv[1];
int iterations = argc > 2 ? ACE_OS::atoi (argv[2]) : 100;
ACE_Process_Semaphore pm (1, name);
ACE_Sig_Action sa ((ACE_SignalHandler) handler, SIGINT);
ACE_UNUSED_ARG (sa);
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;
}
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