1.1 --- a/src/share/vm/compiler/compileBroker.cpp Tue Feb 01 10:02:01 2011 -0800
1.2 +++ b/src/share/vm/compiler/compileBroker.cpp Tue Feb 01 14:05:46 2011 +0100
1.3 @@ -1,5 +1,5 @@
1.4 /*
1.5 - * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
1.7 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 *
1.9 * This code is free software; you can redistribute it and/or modify it
1.10 @@ -1210,7 +1210,17 @@
1.11 // Should the current thread be blocked until this compilation request
1.12 // has been fulfilled?
1.13 bool CompileBroker::is_compile_blocking(methodHandle method, int osr_bci) {
1.14 - return !BackgroundCompilation;
1.15 + if (!BackgroundCompilation) {
1.16 + Symbol* class_name = method->method_holder()->klass_part()->name();
1.17 + if (class_name->starts_with("java/lang/ref/Reference", 23)) {
1.18 + // The reference handler thread can dead lock with the GC if compilation is blocking,
1.19 + // so we avoid blocking compiles for anything in the java.lang.ref.Reference class,
1.20 + // including inner classes such as ReferenceHandler.
1.21 + return false;
1.22 + }
1.23 + return true;
1.24 + }
1.25 + return false;
1.26 }
1.27
1.28
