Mercurial > hg > truffle
diff src/share/vm/oops/instanceKlass.hpp @ 7587:4a916f2ce331
8003985: Support @Contended Annotation - JEP 142
Summary: HotSpot changes to support @Contended annotation.
Reviewed-by: coleenp, kvn, jrose
Contributed-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>
| author | jwilhelm |
|---|---|
| date | Mon, 14 Jan 2013 15:17:47 +0100 |
| parents | 37a3e8b7a1e9 |
| children | 212c5b9c38e7 |
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--- a/src/share/vm/oops/instanceKlass.hpp Fri Jan 11 09:53:24 2013 -0800 +++ b/src/share/vm/oops/instanceKlass.hpp Mon Jan 14 15:17:47 2013 +0100 @@ -230,7 +230,8 @@ _misc_rewritten = 1 << 0, // methods rewritten. _misc_has_nonstatic_fields = 1 << 1, // for sizing with UseCompressedOops _misc_should_verify_class = 1 << 2, // allow caching of preverification - _misc_is_anonymous = 1 << 3 // has embedded _inner_classes field + _misc_is_anonymous = 1 << 3, // has embedded _inner_classes field + _misc_is_contended = 1 << 4 // marked with contended annotation }; u2 _misc_flags; u2 _minor_version; // minor version number of class file @@ -550,6 +551,17 @@ return is_anonymous() ? java_mirror() : class_loader(); } + bool is_contended() const { + return (_misc_flags & _misc_is_contended) != 0; + } + void set_is_contended(bool value) { + if (value) { + _misc_flags |= _misc_is_contended; + } else { + _misc_flags &= ~_misc_is_contended; + } + } + // signers objArrayOop signers() const { return _signers; } void set_signers(objArrayOop s) { klass_oop_store((oop*)&_signers, s); }