1.1 --- a/src/share/vm/interpreter/interpreterRuntime.cpp Thu Dec 02 05:45:54 2010 -0800
1.2 +++ b/src/share/vm/interpreter/interpreterRuntime.cpp Sat Dec 04 00:09:05 2010 -0500
1.3 @@ -1193,9 +1193,20 @@
1.4 method->set_signature_handler(_handlers->at(handler_index));
1.5 }
1.6 }
1.7 +#ifdef ASSERT
1.8 + int handler_index, fingerprint_index;
1.9 + {
1.10 + // '_handlers' and '_fingerprints' are 'GrowableArray's and are NOT synchronized
1.11 + // in any way if accessed from multiple threads. To avoid races with another
1.12 + // thread which may change the arrays in the above, mutex protected block, we
1.13 + // have to protect this read access here with the same mutex as well!
1.14 + MutexLocker mu(SignatureHandlerLibrary_lock);
1.15 + handler_index = _handlers->find(method->signature_handler());
1.16 + fingerprint_index = _fingerprints->find(Fingerprinter(method).fingerprint());
1.17 + }
1.18 assert(method->signature_handler() == Interpreter::slow_signature_handler() ||
1.19 - _handlers->find(method->signature_handler()) == _fingerprints->find(Fingerprinter(method).fingerprint()),
1.20 - "sanity check");
1.21 + handler_index == fingerprint_index, "sanity check");
1.22 +#endif
1.23 }
1.24
1.25
