ACE/tests/TSS_Static_Test.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file    TSS_Static_Test.cpp
   5  *
   6  *   This program tests the interaction between TSS and thread keys
   7  *   created during static construction.  VxWorks static construction
   8  *   is quite broken.  This test is designed to test changes to work
   9  *   around a bug in the VxWorks loader that constructs static objects
  10  *   multiple times.  It sounds hard to believe, but I've seen it!
  11  *
  12  *  @author Chad Elliott <elliott_c@ociweb.com>
  13  */
  14 //=============================================================================
  15
  16
  17 #include "test_config.h"
  18 #include "ace/ACE.h"
  19 #include "ace/Init_ACE.h"
  20 #include "ace/Thread.h"
  21
  22
  23
  24 #if defined (ACE_HAS_TSS_EMULATION)
  25
  26 class Some_Object
  27 {
  28 public:
  29   Some_Object (void);
  30   ~Some_Object (void);
  31 };
  32
  33 Some_Object::Some_Object (void)
  34 {
  35   ACE::init ();
  36
  37   // Cause the ACE_Log_Msg to be constructed during static construction
  38   ACE_DEBUG ((LM_DEBUG, ""));
  39
  40   // Assign something to TSS during static construction
  41   ACE_thread_key_t key;
  42   if (ACE_Thread::keycreate (&key, 0) == 0)
  43     {
  44       ACE_Thread::setspecific (key, this);
  45     }
  46 }
  47
  48
  49 Some_Object::~Some_Object (void)
  50 {
  51   ACE::fini ();
  52 }
  53
  54
  55 static Some_Object sobject;
  56
  57 int
  58 run_main (int, ACE_TCHAR *[])
  59 {
  60   ACE_START_TEST (ACE_TEXT ("TSS_Static_Test"));
  61
  62   int status = 0;
  63   ACE_thread_key_t key;
  64   if (ACE_Thread::keycreate (&key, 0) == 0)
  65     {
  66       void* specific = 0;
  67       if (ACE_Thread::getspecific (key, &specific) == 0)
  68         {
  69           if (specific == 0)
  70             {
  71               ACE_DEBUG ((LM_DEBUG, "Got back pointer: %x from key: %d. "
  72                                     "Good!\n",
  73                                     (size_t)specific, key));
  74             }
  75           else
  76             {
  77               ++status;
  78               ACE_ERROR ((LM_ERROR, "Something (%x) was found in tss "
  79                                     "slot %d.\n"
  80                                     "Nothing should be stored in our "
  81                                     "TSS slot!\n",
  82                                     (size_t)specific, key));
  83             }
  84         }
  85       else
  86         {
  87           ++status;
  88           ACE_ERROR ((LM_ERROR, "Unable to get the thread specific "
  89                                 "storage.\n"));
  90         }
  91     }
  92   else
  93     {
  94       ++status;
  95       ACE_ERROR ((LM_ERROR, "Unable to create the thread specific "
  96                             "storage key.\n"));
  97     }
  98   ACE_END_TEST;
  99   return status;
 100 }
 101 #else
 102 int
 103 run_main (int, ACE_TCHAR *[])
 104 {
 105   ACE_START_TEST (ACE_TEXT ("TSS_Static_Test"));
 106   ACE_DEBUG ((LM_INFO, ACE_TEXT ("This test requires TSS Emulation.\n")));
 107   ACE_END_TEST;
 108   return 0;
 109 }
 110 #endif /* ACE_HAS_TSS_EMULATION */
 111