Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/biasedLocking.cpp
src/share/vm/runtime/biasedLocking.cpp
- changeset 9892
- 9a4141de094d
- parent 9861
- a248d0be1309
- child 9895
- c439931136f1
equal
deleted
inserted
replaced
| 9891:4904bded9702 | 9892:9a4141de094d |
|---|---|
| 254 // Store the unlocked value into the object's header. | 254 // Store the unlocked value into the object's header. |
| 255 obj->set_mark(unbiased_prototype); | 255 obj->set_mark(unbiased_prototype); |
| 256 } | 256 } |
| 257 } | 257 } |
| 258 | 258 |
| 259 #if INCLUDE_JFR | |
| 259 // If requested, return information on which thread held the bias | 260 // If requested, return information on which thread held the bias |
| 260 if (biased_locker != NULL) { | 261 if (biased_locker != NULL) { |
| 261 *biased_locker = biased_thread; | 262 *biased_locker = biased_thread; |
| 262 } | 263 } |
| 264 #endif // INCLUDE_JFR | |
| 263 | 265 |
| 264 return BiasedLocking::BIAS_REVOKED; | 266 return BiasedLocking::BIAS_REVOKED; |
| 265 } | 267 } |
| 266 | 268 |
| 267 | 269 |
| 495 virtual void doit() { | 497 virtual void doit() { |
| 496 if (_obj != NULL) { | 498 if (_obj != NULL) { |
| 497 if (TraceBiasedLocking) { | 499 if (TraceBiasedLocking) { |
| 498 tty->print_cr("Revoking bias with potentially per-thread safepoint:"); | 500 tty->print_cr("Revoking bias with potentially per-thread safepoint:"); |
| 499 } | 501 } |
| 502 | |
| 500 JavaThread* biased_locker = NULL; | 503 JavaThread* biased_locker = NULL; |
| 501 _status_code = revoke_bias((*_obj)(), false, false, _requesting_thread, &biased_locker); | 504 _status_code = revoke_bias((*_obj)(), false, false, _requesting_thread, &biased_locker); |
| 505 #if INCLUDE_JFR | |
| 502 if (biased_locker != NULL) { | 506 if (biased_locker != NULL) { |
| 503 _biased_locker_id = JFR_THREAD_ID(biased_locker); | 507 _biased_locker_id = JFR_THREAD_ID(biased_locker); |
| 504 } | 508 } |
| 509 #endif // INCLUDE_JFR | |
| 510 | |
| 505 clean_up_cached_monitor_info(); | 511 clean_up_cached_monitor_info(); |
| 506 return; | 512 return; |
| 507 } else { | 513 } else { |
| 508 if (TraceBiasedLocking) { | 514 if (TraceBiasedLocking) { |
| 509 tty->print_cr("Revoking bias with global safepoint:"); | 515 tty->print_cr("Revoking bias with global safepoint:"); |
| 514 | 520 |
| 515 BiasedLocking::Condition status_code() const { | 521 BiasedLocking::Condition status_code() const { |
| 516 return _status_code; | 522 return _status_code; |
| 517 } | 523 } |
| 518 | 524 |
| 525 #if INCLUDE_JFR | |
| 519 traceid biased_locker() const { | 526 traceid biased_locker() const { |
| 520 return _biased_locker_id; | 527 return _biased_locker_id; |
| 521 } | 528 } |
| 529 #endif // INCLUDE_JFR | |
| 522 }; | 530 }; |
| 523 | 531 |
| 524 | 532 |
| 525 class VM_BulkRevokeBias : public VM_RevokeBias { | 533 class VM_BulkRevokeBias : public VM_RevokeBias { |
| 526 private: | 534 private: |
