| 351 | |
| 352 | |
| 353 | bool LockManager::initializeOwner(CheckStatusWrapper* statusVector, |
| 354 | LOCK_OWNER_T owner_id, |
| 355 | UCHAR owner_type, |
| 356 | SRQ_PTR* owner_handle) |
| 357 | { |
| 358 | /************************************** |
| 359 | * |
| 360 | * i n i t i a l i z e O w n e r |
| 361 | * |
| 362 | ************************************** |
| 363 | * |
| 364 | * Functional description |
| 365 | * Initialize lock manager for the given owner, if not already done. |
| 366 | * |
| 367 | * Initialize an owner block in the lock manager, if not already |
| 368 | * initialized. |
| 369 | * |
| 370 | * Return the offset of the owner block through owner_handle. |
| 371 | * |
| 372 | * Return success or failure. |
| 373 | * |
| 374 | **************************************/ |
| 375 | LOCK_TRACE(("LM::init (ownerid=%ld)\n", owner_id)); |
| 376 | |
| 377 | SRQ_PTR owner_offset = *owner_handle; |
| 378 | |
| 379 | if (owner_offset) |
| 380 | { |
| 381 | LockTableGuard guard(this, FB_FUNCTION, owner_offset); |
| 382 | |
| 383 | // If everything is already initialized, just bump the use count |
| 384 | |
| 385 | own* const owner = (own*) SRQ_ABS_PTR(owner_offset); |
| 386 | owner->own_count++; |
| 387 | return true; |
| 388 | } |
| 389 | |
| 390 | LockTableGuard guard(this, FB_FUNCTION, DUMMY_OWNER); |
| 391 | |
| 392 | owner_offset = create_owner(statusVector, owner_id, owner_type); |
| 393 | |
| 394 | if (owner_offset) |
| 395 | *owner_handle = owner_offset; |
| 396 | |
| 397 | LOCK_TRACE(("LM::init done (%ld)\n", owner_offset)); |
| 398 | return (owner_offset != 0); |
| 399 | } |
| 400 | |
| 401 | |
| 402 | void LockManager::shutdownOwner(thread_db* tdbb, SRQ_PTR* owner_handle) |