src/share/vm/interpreter/interpreterRuntime.cpp
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@@ -1191,13 +1191,24 @@
} else {
// set handler
method->set_signature_handler(_handlers->at(handler_index));
}
}
+#ifdef ASSERT
+ int handler_index, fingerprint_index;
+ {
+ // '_handlers' and '_fingerprints' are 'GrowableArray's and are NOT synchronized
+ // in any way if accessed from multiple threads. To avoid races with another
+ // thread which may change the arrays in the above, mutex protected block, we
+ // have to protect this read access here with the same mutex as well!
+ MutexLocker mu(SignatureHandlerLibrary_lock);
+ handler_index = _handlers->find(method->signature_handler());
+ fingerprint_index = _fingerprints->find(Fingerprinter(method).fingerprint());
+ }
assert(method->signature_handler() == Interpreter::slow_signature_handler() ||
- _handlers->find(method->signature_handler()) == _fingerprints->find(Fingerprinter(method).fingerprint()),
- "sanity check");
+ handler_index == fingerprint_index, "sanity check");
+#endif
}
BufferBlob* SignatureHandlerLibrary::_handler_blob = NULL;
address SignatureHandlerLibrary::_handler = NULL;