Mercurial > hg > truffle
diff src/share/vm/gc_implementation/g1/ptrQueue.inline.hpp @ 342:37f87013dfd8
6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
author | ysr |
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date | Thu, 05 Jun 2008 15:57:56 -0700 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/g1/ptrQueue.inline.hpp Thu Jun 05 15:57:56 2008 -0700 @@ -0,0 +1,41 @@ +/* + * Copyright 2001-2007 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +void PtrQueue::handle_zero_index() { + assert(0 == _index, "Precondition."); + // This thread records the full buffer and allocates a new one (while + // holding the lock if there is one). + void** buf = _buf; + _buf = qset()->allocate_buffer(); + _sz = qset()->buffer_size(); + _index = _sz; + assert(0 <= _index && _index <= _sz, "Invariant."); + if (buf != NULL) { + if (_lock) { + locking_enqueue_completed_buffer(buf); + } else { + qset()->enqueue_complete_buffer(buf); + } + } +}