ACE/ace/TSS_T.cpp

   1 #ifndef ACE_TSS_T_CPP
   2 #define ACE_TSS_T_CPP
   3
   4 #include "ace/TSS_T.h"
   5
   6 #if !defined (ACE_LACKS_PRAGMA_ONCE)
   7 # pragma once
   8 #endif /* ACE_LACKS_PRAGMA_ONCE */
   9
  10 #if !defined (__ACE_INLINE__)
  11 #include "ace/TSS_T.inl"
  12 #endif /* __ACE_INLINE__ */
  13
  14 #include "ace/Thread.h"
  15 #include "ace/Log_Category.h"
  16 #include "ace/Guard_T.h"
  17 #include "ace/OS_NS_stdio.h"
  18 #if defined (ACE_HAS_ALLOC_HOOKS)
  19 # include "ace/Malloc_Base.h"
  20 #endif /* ACE_HAS_ALLOC_HOOKS */
  21
  22 #if defined (ACE_HAS_THR_C_DEST)
  23 #  include "ace/TSS_Adapter.h"
  24 #endif /* ACE_HAS_THR_C_DEST */
  25
  26 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  27
  28 ACE_ALLOC_HOOK_DEFINE_Tc(ACE_TSS)
  29
  30 #if defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION))
  31 # if defined (ACE_HAS_THR_C_DEST)
  32 extern "C" ACE_Export void ACE_TSS_C_cleanup (void *);
  33 # endif /* ACE_HAS_THR_C_DEST */
  34 #endif /* defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION)) */
  35
  36 template <class TYPE>
  37 ACE_TSS<TYPE>::~ACE_TSS ()
  38 {
  39 #if defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION))
  40   if (this->once_)
  41   {
  42 # if defined (ACE_HAS_THR_C_DEST)
  43     ACE_TSS_Adapter *tss_adapter = this->ts_value ();
  44     this->ts_value (0);
  45     ACE_TSS_C_cleanup (tss_adapter);
  46 # else
  47     TYPE *ts_obj = this->ts_value ();
  48     this->ts_value (0);
  49 #  if !defined ACE_HAS_LYNXOS_178 || defined ACE_HAS_TSS_EMULATION
  50     // A bug in LynxOS-178 causes pthread_setspecific (called from ts_value(0)
  51     // above) to call the cleanup function, so we need to avoid calling it here.
  52     ACE_TSS<TYPE>::cleanup (ts_obj);
  53 #  else
  54     ACE_UNUSED_ARG (ts_obj);
  55 #  endif
  56 # endif /* ACE_HAS_THR_C_DEST */
  57
  58     ACE_OS::thr_key_detach (this->key_);
  59     ACE_OS::thr_keyfree (this->key_);
  60   }
  61 #else // defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION))
  62   // We own it, we need to delete it.
  63   delete type_;
  64 #endif // defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION))
  65 }
  66
  67 template <class TYPE> TYPE *
  68 ACE_TSS<TYPE>::operator-> () const
  69 {
  70   return this->ts_get ();
  71 }
  72
  73 template <class TYPE>
  74 ACE_TSS<TYPE>::operator TYPE *() const
  75 {
  76   return this->ts_get ();
  77 }
  78
  79 template <class TYPE> TYPE *
  80 ACE_TSS<TYPE>::make_TSS_TYPE () const
  81 {
  82   TYPE *temp = 0;
  83   ACE_NEW_RETURN (temp,
  84                   TYPE,
  85                   0);
  86   return temp;
  87 }
  88
  89 template <class TYPE> void
  90 ACE_TSS<TYPE>::dump () const
  91 {
  92 #if defined (ACE_HAS_DUMP)
  93 #if defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION))
  94   ACELIB_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
  95   this->keylock_.dump ();
  96   ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("key_ = %d\n"), this->key_));
  97   ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("\nonce_ = %d\n"), this->once_));
  98   ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
  99 #endif /* defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION)) */
 100 #endif /* ACE_HAS_DUMP */
 101 }
 102
 103 #if defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION))
 104
 105 template <class TYPE> void
 106 ACE_TSS<TYPE>::cleanup (void *ptr)
 107 {
 108   // Cast this to the concrete TYPE * so the destructor gets called.
 109   delete (TYPE *) ptr;
 110 }
 111
 112 template <class TYPE> int
 113 ACE_TSS<TYPE>::ts_init ()
 114 {
 115   // Ensure that we are serialized!
 116   ACE_GUARD_RETURN (ACE_Thread_Mutex, ace_mon, this->keylock_, 0);
 117
 118   // Use the Double-Check pattern to make sure we only create the key
 119   // once!
 120   if (!this->once_)
 121     {
 122       if (ACE_Thread::keycreate (&this->key_,
 123 #if defined (ACE_HAS_THR_C_DEST)
 124                                  &ACE_TSS_C_cleanup
 125 #else
 126                                  &ACE_TSS<TYPE>::cleanup
 127 #endif /* ACE_HAS_THR_C_DEST */
 128                                  ) != 0)
 129         return -1; // Major problems, this should *never* happen!
 130       else
 131         {
 132           // This *must* come last to avoid race conditions!
 133           this->once_ = true;
 134           return 0;
 135         }
 136     }
 137
 138   return 0;
 139 }
 140
 141 template <class TYPE>
 142 ACE_TSS<TYPE>::ACE_TSS (TYPE *ts_obj)
 143   : once_ (false),
 144     key_ (ACE_OS::NULL_key)
 145 {
 146   // If caller has passed us a non-NULL TYPE *, then we'll just use
 147   // this to initialize the thread-specific value.  Thus, subsequent
 148   // calls to operator->() will return this value.  This is useful
 149   // since it enables us to assign objects to thread-specific data
 150   // that have arbitrarily complex constructors!
 151
 152   if (ts_obj != 0)
 153     {
 154       if (this->ts_init () == -1)
 155         {
 156           // Save/restore errno.
 157           ACE_Errno_Guard error (errno);
 158           // What should we do if this call fails?!
 159 #if defined (ACE_HAS_WINCE)
 160           ::MessageBox (0,
 161                         ACE_TEXT ("ACE_Thread::keycreate() failed!"),
 162                         ACE_TEXT ("ACE_TSS::ACE_TSS"),
 163                         MB_OK);
 164 #elif !defined (ACE_LACKS_VA_FUNCTIONS)
 165           ACE_OS::fprintf (stderr,
 166                            "ACE_Thread::keycreate() failed!");
 167 #endif /* ACE_HAS_WINCE */
 168           return;
 169         }
 170
 171 #if defined (ACE_HAS_THR_C_DEST)
 172       // Encapsulate a ts_obj and it's destructor in an
 173       // ACE_TSS_Adapter.
 174       ACE_TSS_Adapter *tss_adapter = 0;
 175       ACE_NEW (tss_adapter,
 176                ACE_TSS_Adapter ((void *) ts_obj,
 177                                 ACE_TSS<TYPE>::cleanup));
 178
 179       // Put the adapter in thread specific storage
 180       if (this->ts_value (tss_adapter) == -1)
 181         {
 182           delete tss_adapter;
 183         }
 184 #else
 185       this->ts_value (ts_obj);
 186 #endif /* ACE_HAS_THR_C_DEST */
 187     }
 188 }
 189
 190 template <class TYPE> TYPE *
 191 ACE_TSS<TYPE>::ts_get () const
 192 {
 193   if (!this->once_)
 194     {
 195       // Create and initialize thread-specific ts_obj.
 196       if (const_cast< ACE_TSS < TYPE > * >(this)->ts_init () == -1)
 197         // Seriously wrong..
 198         return 0;
 199     }
 200
 201   TYPE *ts_obj = 0;
 202
 203 #if defined (ACE_HAS_THR_C_DEST)
 204   ACE_TSS_Adapter *tss_adapter = this->ts_value ();
 205   ACE_TSS_Adapter *fake_tss_adapter = 0;
 206
 207   // If tss_adapter is not 0 but its ts_obj_ is 0 then we still need to create
 208   // a proper ts_obj. That's the intent of this member function.
 209   if (tss_adapter != 0 && tss_adapter->ts_obj_ == 0)
 210     {
 211       fake_tss_adapter = tss_adapter;
 212       tss_adapter = 0;
 213     }
 214
 215   // Check to see if this is the first time in for this thread.
 216   if (tss_adapter == 0)
 217 #else
 218   ts_obj = this->ts_value ();
 219
 220   // Check to see if this is the first time in for this thread.
 221   if (ts_obj == 0)
 222 #endif /* ACE_HAS_THR_C_DEST */
 223     {
 224       // Allocate memory off the heap and store it in a pointer in
 225       // thread-specific storage (on the stack...).
 226
 227       ts_obj = this->make_TSS_TYPE ();
 228
 229       if (ts_obj == 0)
 230         return 0;
 231
 232 #if defined (ACE_HAS_THR_C_DEST)
 233       // Encapsulate a ts_obj and it's destructor in an
 234       // ACE_TSS_Adapter.
 235       ACE_NEW_RETURN (tss_adapter,
 236                       ACE_TSS_Adapter (ts_obj,
 237                                        ACE_TSS<TYPE>::cleanup), 0);
 238
 239       // Put the adapter in thread specific storage
 240       if (this->ts_value (tss_adapter) == -1)
 241         {
 242           delete tss_adapter;
 243           delete ts_obj;
 244           return 0; // Major problems, this should *never* happen!
 245         }
 246 #else
 247       // Store the dynamically allocated pointer in thread-specific
 248       // storage.
 249       if (this->ts_value (ts_obj) == -1)
 250         {
 251           delete ts_obj;
 252           return 0; // Major problems, this should *never* happen!
 253         }
 254 #endif /* ACE_HAS_THR_C_DEST */
 255     }
 256
 257 #if defined (ACE_HAS_THR_C_DEST)
 258   // Delete the adapter that didn't actually have a real ts_obj.
 259   delete fake_tss_adapter;
 260   // Return the underlying ts object.
 261   return static_cast <TYPE *> (tss_adapter->ts_obj_);
 262 #else
 263   return ts_obj;
 264 #endif /* ACE_HAS_THR_C_DEST */
 265 }
 266
 267 // Get the thread-specific object for the key associated with this
 268 // object.  Returns 0 if the ts_obj has never been initialized,
 269 // otherwise returns a pointer to the ts_obj.
 270
 271 template <class TYPE> TYPE *
 272 ACE_TSS<TYPE>::ts_object () const
 273 {
 274   if (!this->once_) // Return 0 if we've never been initialized.
 275     return 0;
 276
 277   TYPE *ts_obj = 0;
 278
 279 #if defined (ACE_HAS_THR_C_DEST)
 280   ACE_TSS_Adapter *tss_adapter = this->ts_value ();
 281
 282   if (tss_adapter != 0)
 283     {
 284       // Extract the real TS object.
 285       ts_obj = static_cast <TYPE *> (tss_adapter->ts_obj_);
 286     }
 287 #else
 288   ts_obj = this->ts_value ();
 289 #endif /* ACE_HAS_THR_C_DEST */
 290
 291   return ts_obj;
 292 }
 293
 294 template <class TYPE> TYPE *
 295 ACE_TSS<TYPE>::ts_object (TYPE *new_ts_obj)
 296 {
 297   // Note, we shouldn't hold the keylock at this point because
 298   // <ts_init> does it for us and we'll end up with deadlock
 299   // otherwise...
 300   if (!this->once_)
 301     {
 302       // Create and initialize thread-specific ts_obj.
 303       if (this->ts_init () == -1)
 304         return 0;
 305     }
 306
 307   TYPE *ts_obj = 0;
 308
 309 #if defined (ACE_HAS_THR_C_DEST)
 310   ACE_TSS_Adapter *tss_adapter = this->ts_value ();
 311
 312   if (tss_adapter != 0)
 313     {
 314       ts_obj = static_cast <TYPE *> (tss_adapter->ts_obj_);
 315       // Don't delete tss_adapter yet. It can be double-deleted
 316       // in case setspecific below fails.
 317     }
 318
 319   ACE_TSS_Adapter *new_tss_adapter = 0;
 320   ACE_NEW_RETURN (new_tss_adapter,
 321                   ACE_TSS_Adapter ((void *) new_ts_obj,
 322                                    ACE_TSS<TYPE>::cleanup),
 323                   0);
 324
 325   if (this->ts_value (new_tss_adapter) == -1)
 326     {
 327       delete new_tss_adapter;
 328     }
 329   else
 330     {
 331       // Now it's fine to delete the old tss_adapter.
 332       delete tss_adapter;
 333     }
 334 #else
 335   ts_obj = this->ts_value ();
 336   this->ts_value (new_ts_obj);
 337 #endif /* ACE_HAS_THR_C_DEST */
 338
 339   return ts_obj;
 340 }
 341
 342 ACE_ALLOC_HOOK_DEFINE_Tc(ACE_TSS_Guard)
 343
 344 template <class ACE_LOCK> void
 345 ACE_TSS_Guard<ACE_LOCK>::dump () const
 346 {
 347 #if defined (ACE_HAS_DUMP)
 348   ACELIB_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
 349   ACELIB_DEBUG ((LM_DEBUG, ACE_TEXT ("key_ = %d\n"), this->key_));
 350   ACELIB_DEBUG ((LM_DEBUG, ACE_END_DUMP));
 351 #endif /* ACE_HAS_DUMP */
 352 }
 353
 354 template <class ACE_LOCK> void
 355 ACE_TSS_Guard<ACE_LOCK>::init_key ()
 356 {
 357   this->key_ = ACE_OS::NULL_key;
 358   ACE_Thread::keycreate (&this->key_,
 359 #if defined (ACE_HAS_THR_C_DEST)
 360                          &ACE_TSS_C_cleanup
 361 #else
 362                          &ACE_TSS_Guard<ACE_LOCK>::cleanup
 363 #endif /* ACE_HAS_THR_C_DEST */
 364                          );
 365 }
 366
 367 template <class ACE_LOCK>
 368 ACE_TSS_Guard<ACE_LOCK>::ACE_TSS_Guard ()
 369 {
 370   this->init_key ();
 371 }
 372
 373 template <class ACE_LOCK> int
 374 ACE_TSS_Guard<ACE_LOCK>::release ()
 375 {
 376   Guard_Type *guard = 0;
 377
 378 #if defined (ACE_HAS_THR_C_DEST)
 379   ACE_TSS_Adapter *tss_adapter = 0;
 380   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 381   ACE_Thread::getspecific (this->key_, &temp);
 382   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 383   guard = static_cast <Guard_Type *> (tss_adapter->ts_obj_);
 384 #else
 385   void *temp = guard; // Need this temp to keep G++ from complaining.
 386   ACE_Thread::getspecific (this->key_, &temp);
 387   guard = static_cast <Guard_Type *> (temp);
 388 #endif /* ACE_HAS_THR_C_DEST */
 389
 390   return guard->release ();
 391 }
 392
 393 template <class ACE_LOCK> int
 394 ACE_TSS_Guard<ACE_LOCK>::remove ()
 395 {
 396   Guard_Type *guard = 0;
 397
 398 #if defined (ACE_HAS_THR_C_DEST)
 399   ACE_TSS_Adapter *tss_adapter = 0;
 400   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 401   ACE_Thread::getspecific (this->key_, &temp);
 402   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 403   guard = static_cast <Guard_Type *> (tss_adapter->ts_obj_);
 404 #else
 405   void *temp = guard; // Need this temp to keep G++ from complaining.
 406   ACE_Thread::getspecific (this->key_, &temp);
 407   guard = static_cast <Guard_Type *> (temp);
 408 #endif /* ACE_HAS_THR_C_DEST */
 409
 410   return guard->remove ();
 411 }
 412
 413 template <class ACE_LOCK>
 414 ACE_TSS_Guard<ACE_LOCK>::~ACE_TSS_Guard ()
 415 {
 416   Guard_Type *guard = 0;
 417
 418 #if defined (ACE_HAS_THR_C_DEST)
 419   ACE_TSS_Adapter *tss_adapter = 0;
 420   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 421   ACE_Thread::getspecific (this->key_, &temp);
 422   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 423   guard = static_cast <Guard_Type *> (tss_adapter->ts_obj_);
 424 #else
 425   void *temp = guard; // Need this temp to keep G++ from complaining.
 426   ACE_Thread::getspecific (this->key_, &temp);
 427   guard = static_cast <Guard_Type *> (temp);
 428 #endif /* ACE_HAS_THR_C_DEST */
 429
 430   // Make sure that this pointer is NULL when we shut down...
 431   ACE_Thread::setspecific (this->key_, 0);
 432   ACE_Thread::keyfree (this->key_);
 433   // Destructor releases lock.
 434   delete guard;
 435 }
 436
 437 template <class ACE_LOCK> void
 438 ACE_TSS_Guard<ACE_LOCK>::cleanup (void *ptr)
 439 {
 440   // Destructor releases lock.
 441   delete (Guard_Type *) ptr;
 442 }
 443
 444 template <class ACE_LOCK>
 445 ACE_TSS_Guard<ACE_LOCK>::ACE_TSS_Guard (ACE_LOCK &lock, bool block)
 446 {
 447   this->init_key ();
 448   Guard_Type *guard = 0;
 449   ACE_NEW (guard,
 450            Guard_Type (lock, block));
 451
 452 #if defined (ACE_HAS_THR_C_DEST)
 453   ACE_TSS_Adapter *tss_adapter = 0;
 454   ACE_NEW (tss_adapter,
 455            ACE_TSS_Adapter ((void *) guard,
 456                             ACE_TSS_Guard<ACE_LOCK>::cleanup));
 457   ACE_Thread::setspecific (this->key_,
 458                            (void *) tss_adapter);
 459 #else
 460   ACE_Thread::setspecific (this->key_,
 461                            (void *) guard);
 462 #endif /* ACE_HAS_THR_C_DEST */
 463 }
 464
 465 template <class ACE_LOCK> int
 466 ACE_TSS_Guard<ACE_LOCK>::acquire ()
 467 {
 468   Guard_Type *guard = 0;
 469
 470 #if defined (ACE_HAS_THR_C_DEST)
 471   ACE_TSS_Adapter *tss_adapter = 0;
 472   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 473   ACE_Thread::getspecific (this->key_, &temp);
 474   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 475   guard = static_cast <Guard_Type *> (tss_adapter->ts_obj_);
 476 #else
 477   void *temp = guard; // Need this temp to keep G++ from complaining.
 478   ACE_Thread::getspecific (this->key_, &temp);
 479   guard = static_cast <Guard_Type *> (temp);
 480 #endif /* ACE_HAS_THR_C_DEST */
 481
 482   return guard->acquire ();
 483 }
 484
 485 template <class ACE_LOCK> int
 486 ACE_TSS_Guard<ACE_LOCK>::tryacquire ()
 487 {
 488   Guard_Type *guard = 0;
 489
 490 #if defined (ACE_HAS_THR_C_DEST)
 491   ACE_TSS_Adapter *tss_adapter = 0;
 492   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 493   ACE_Thread::getspecific (this->key_, &temp);
 494   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 495   guard = static_cast <Guard_Type *> (tss_adapter->ts_obj_);
 496 #else
 497   void *temp = guard; // Need this temp to keep G++ from complaining.
 498   ACE_Thread::getspecific (this->key_, &temp);
 499   guard = static_cast <Guard_Type *> (temp);
 500 #endif /* ACE_HAS_THR_C_DEST */
 501
 502   return guard->tryacquire ();
 503 }
 504
 505 template <class ACE_LOCK>
 506 ACE_TSS_Write_Guard<ACE_LOCK>::ACE_TSS_Write_Guard (ACE_LOCK &lock,
 507                                                     bool block)
 508 {
 509   this->init_key ();
 510   Guard_Type *guard = 0;
 511   ACE_NEW (guard,
 512            Write_Guard_Type (lock, block));
 513
 514 #if defined (ACE_HAS_THR_C_DEST)
 515   ACE_TSS_Adapter *tss_adapter = 0;
 516   ACE_NEW (tss_adapter,
 517            ACE_TSS_Adapter ((void *) guard,
 518                             ACE_TSS_Guard<ACE_LOCK>::cleanup));
 519   ACE_Thread::setspecific (this->key_, (void *) tss_adapter);
 520 #else
 521   ACE_Thread::setspecific (this->key_, (void *) guard);
 522 #endif /* ACE_HAS_THR_C_DEST */
 523 }
 524
 525 template <class ACE_LOCK> int
 526 ACE_TSS_Write_Guard<ACE_LOCK>::acquire ()
 527 {
 528   Write_Guard_Type *guard = 0;
 529
 530 #if defined (ACE_HAS_THR_C_DEST)
 531   ACE_TSS_Adapter *tss_adapter = 0;
 532   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 533   ACE_Thread::getspecific (this->key_, &temp);
 534   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 535   guard = static_cast <Write_Guard_Type *> (tss_adapter->ts_obj_);
 536 #else
 537   void *temp = guard; // Need this temp to keep G++ from complaining.
 538   ACE_Thread::getspecific (this->key_, &temp);
 539   guard = static_cast <Write_Guard_Type *> (temp);
 540 #endif /* ACE_HAS_THR_C_DEST */
 541
 542   return guard->acquire_write ();
 543 }
 544
 545 template <class ACE_LOCK> int
 546 ACE_TSS_Write_Guard<ACE_LOCK>::tryacquire ()
 547 {
 548   Write_Guard_Type *guard = 0;
 549
 550 #if defined (ACE_HAS_THR_C_DEST)
 551   ACE_TSS_Adapter *tss_adapter = 0;
 552   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 553   ACE_Thread::getspecific (this->key_, &temp);
 554   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 555   guard = static_cast <Write_Guard_Type *> (tss_adapter->ts_obj_);
 556 #else
 557   void *temp = guard; // Need this temp to keep G++ from complaining.
 558   ACE_Thread::getspecific (this->key_, &temp);
 559   guard = static_cast <Write_Guard_Type *> (temp);
 560 #endif /* ACE_HAS_THR_C_DEST */
 561
 562   return guard->tryacquire_write ();
 563 }
 564
 565 template <class ACE_LOCK> int
 566 ACE_TSS_Write_Guard<ACE_LOCK>::acquire_write ()
 567 {
 568   return this->acquire ();
 569 }
 570
 571 template <class ACE_LOCK> int
 572 ACE_TSS_Write_Guard<ACE_LOCK>::tryacquire_write ()
 573 {
 574   return this->tryacquire ();
 575 }
 576
 577 template <class ACE_LOCK> void
 578 ACE_TSS_Write_Guard<ACE_LOCK>::dump () const
 579 {
 580 #if defined (ACE_HAS_DUMP)
 581   ACE_TSS_Guard<ACE_LOCK>::dump ();
 582 #endif /* ACE_HAS_DUMP */
 583 }
 584
 585 template <class ACE_LOCK>
 586 ACE_TSS_Read_Guard<ACE_LOCK>::ACE_TSS_Read_Guard (ACE_LOCK &lock, bool block)
 587 {
 588   this->init_key ();
 589   Guard_Type *guard = 0;
 590   ACE_NEW (guard,
 591            Read_Guard_Type (lock, block));
 592 #if defined (ACE_HAS_THR_C_DEST)
 593   ACE_TSS_Adapter *tss_adapter;
 594   ACE_NEW (tss_adapter,
 595            ACE_TSS_Adapter ((void *)guard,
 596                             ACE_TSS_Guard<ACE_LOCK>::cleanup));
 597   ACE_Thread::setspecific (this->key_,
 598                            (void *) tss_adapter);
 599 #else
 600   ACE_Thread::setspecific (this->key_,
 601                            (void *) guard);
 602 #endif /* ACE_HAS_THR_C_DEST */
 603 }
 604
 605 template <class ACE_LOCK> int
 606 ACE_TSS_Read_Guard<ACE_LOCK>::acquire ()
 607 {
 608   Read_Guard_Type *guard = 0;
 609
 610 #if defined (ACE_HAS_THR_C_DEST)
 611   ACE_TSS_Adapter *tss_adapter = 0;
 612   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 613   ACE_Thread::getspecific (this->key_, &temp);
 614   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 615   guard = static_cast <Read_Guard_Type *> (tss_adapter->ts_obj_);
 616 #else
 617   void *temp = guard; // Need this temp to keep G++ from complaining.
 618   ACE_Thread::getspecific (this->key_, &temp);
 619   guard = static_cast <Read_Guard_Type *> (temp);
 620 #endif /* ACE_HAS_THR_C_DEST */
 621
 622   return guard->acquire_read ();
 623 }
 624
 625 template <class ACE_LOCK> int
 626 ACE_TSS_Read_Guard<ACE_LOCK>::tryacquire ()
 627 {
 628   Read_Guard_Type *guard = 0;
 629
 630 #if defined (ACE_HAS_THR_C_DEST)
 631   ACE_TSS_Adapter *tss_adapter = 0;
 632   void *temp = tss_adapter; // Need this temp to keep G++ from complaining.
 633   ACE_Thread::getspecific (this->key_, &temp);
 634   tss_adapter = static_cast <ACE_TSS_Adapter *> (temp);
 635   guard = static_cast <Read_Guard_Type *> (tss_adapter->ts_obj_);
 636 #else
 637   void *temp = guard; // Need this temp to keep G++ from complaining.
 638   ACE_Thread::getspecific (this->key_, &temp);
 639   guard = static_cast <Read_Guard_Type *> (temp);
 640 #endif /* ACE_HAS_THR_C_DEST */
 641
 642   return guard->tryacquire_read ();
 643 }
 644
 645 template <class ACE_LOCK> int
 646 ACE_TSS_Read_Guard<ACE_LOCK>::acquire_read ()
 647 {
 648   return this->acquire ();
 649 }
 650
 651 template <class ACE_LOCK> int
 652 ACE_TSS_Read_Guard<ACE_LOCK>::tryacquire_read ()
 653 {
 654   return this->tryacquire ();
 655 }
 656
 657 template <class ACE_LOCK> void
 658 ACE_TSS_Read_Guard<ACE_LOCK>::dump () const
 659 {
 660 #if defined (ACE_HAS_DUMP)
 661   ACE_TSS_Guard<ACE_LOCK>::dump ();
 662 #endif /* ACE_HAS_DUMP */
 663 }
 664
 665 #endif /* defined (ACE_HAS_THREADS) && (defined (ACE_HAS_THREAD_SPECIFIC_STORAGE) || defined (ACE_HAS_TSS_EMULATION)) */
 666
 667 ACE_END_VERSIONED_NAMESPACE_DECL
 668
 669 #endif /* ACE_TSS_T_CPP */