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// $Id: Tokens_Deadlock.cpp 80826 2008-03-04 14:51:23Z wotte $
#include "ace/Local_Tokens.h"
#include "ace/Task.h"
#include "ace/OS_NS_unistd.h"
#if defined (ACE_HAS_TOKENS_LIBRARY)
// Listing 1 code/ch14
class ThreadOne : public ACE_Task_Base
{
public:
virtual int svc (void)
{
ACE_Local_Mutex mutex1 (ACE_TEXT ("resource1"),
0, // Deadlock detection enabled.
1);// Debugging enabled.
mutex1.acquire ();
ACE_OS::sleep (2);
ACE_Local_Mutex mutex2 (ACE_TEXT ("resource2"), 0, 1);
mutex2.acquire ();
return 0;
}
};
class ThreadTwo : public ACE_Task_Base
{
public:
virtual int svc (void)
{
ACE_Local_Mutex mutex2 (ACE_TEXT ("resource2"),
0, // Deadlock detection enabled.
1);// Debugging enabled.
mutex2.acquire ();
ACE_OS::sleep (2);
ACE_Local_Mutex mutex1 (ACE_TEXT ("resource1"),
0, // Deadlock detection enabled.
1);// Debugging enabled.
mutex1.acquire ();
return 0;
}
};
int ACE_TMAIN (int, ACE_TCHAR *[])
{
ThreadOne t1;
ThreadTwo t2;
t1.activate ();
ACE_OS::sleep (1);
t2.activate ();
t1.wait ();
t2.wait ();
return 0;
}
// Listing 1
#else /* defined (ACE_HAS_TOKENS_LIBRARY) */
int ACE_TMAIN (int, ACE_TCHAR *[])
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("local tokens not supported ")
ACE_TEXT ("on this platform\n")));
return 0;
}
#endif /* defined (ACE_HAS_TOKENS_LIBRARY) */
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