| 435 | } |
| 436 | |
| 437 | inline Resource Sender::PopFree() { |
| 438 | if (_nfree == 0) { |
| 439 | if (_nalloc == 0) { |
| 440 | Resource r; |
| 441 | r.response = _response->New(); |
| 442 | r.sub_done = &_sub_done0; |
| 443 | _alloc_resources[_nalloc++] = r; |
| 444 | return r; |
| 445 | } else if (_nalloc == 1) { |
| 446 | Resource r; |
| 447 | r.response = _response->New(); |
| 448 | r.sub_done = new SubDone(this); |
| 449 | _alloc_resources[_nalloc++] = r; |
| 450 | return r; |
| 451 | } else { |
| 452 | CHECK(false) << "nalloc=" << _nalloc; |
| 453 | return Resource(); |
| 454 | } |
| 455 | } else { |
| 456 | Resource r = _free_resources[--_nfree]; |
| 457 | r.response->Clear(); |
| 458 | Controller& sub_cntl = r.sub_done->_cntl; |
| 459 | ExcludedServers* saved_accessed = sub_cntl._accessed; |
| 460 | sub_cntl._accessed = NULL; |
| 461 | sub_cntl.Reset(); |
| 462 | sub_cntl._accessed = saved_accessed; |
| 463 | return r; |
| 464 | } |
| 465 | } |
| 466 | |
| 467 | inline bool Sender::PushFree(const Resource& r) { |
| 468 | if (_nfree < 2) { |