Mercurial > hg > truffle
comparison src/share/vm/runtime/java.cpp @ 12275:63147986a428
8019835: Strings interned in different threads equal but does not ==
Summary: Add -XX:+VerifyStringTableAtExit option and code to verify StringTable invariants.
Reviewed-by: rdurbin, sspitsyn, coleenp
| author | dcubed |
|---|---|
| date | Wed, 18 Sep 2013 07:02:10 -0700 |
| parents | 71180a6e5080 |
| children | cefad50507d8 d13d7aba8c12 |
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| 12218:6f45933aef35 | 12275:63147986a428 |
|---|---|
| 542 | 542 |
| 543 // Shutdown NMT before exit. Otherwise, | 543 // Shutdown NMT before exit. Otherwise, |
| 544 // it will run into trouble when system destroys static variables. | 544 // it will run into trouble when system destroys static variables. |
| 545 MemTracker::shutdown(MemTracker::NMT_normal); | 545 MemTracker::shutdown(MemTracker::NMT_normal); |
| 546 | 546 |
| 547 if (VerifyStringTableAtExit) { | |
| 548 int fail_cnt = 0; | |
| 549 { | |
| 550 MutexLocker ml(StringTable_lock); | |
| 551 fail_cnt = StringTable::verify_and_compare_entries(); | |
| 552 } | |
| 553 | |
| 554 if (fail_cnt != 0) { | |
| 555 tty->print_cr("ERROR: fail_cnt=%d", fail_cnt); | |
| 556 guarantee(fail_cnt == 0, "unexpected StringTable verification failures"); | |
| 557 } | |
| 558 } | |
| 559 | |
| 547 #undef BEFORE_EXIT_NOT_RUN | 560 #undef BEFORE_EXIT_NOT_RUN |
| 548 #undef BEFORE_EXIT_RUNNING | 561 #undef BEFORE_EXIT_RUNNING |
| 549 #undef BEFORE_EXIT_DONE | 562 #undef BEFORE_EXIT_DONE |
| 550 } | 563 } |
| 551 | 564 |