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18f3386a98
First mercurial integration of the code for the Garbage-First garbage collector. Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
/*
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* Copyright 2001-2007 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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void PtrQueue::handle_zero_index() {
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assert(0 == _index, "Precondition.");
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// This thread records the full buffer and allocates a new one (while
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// holding the lock if there is one).
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void** buf = _buf;
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_buf = qset()->allocate_buffer();
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_sz = qset()->buffer_size();
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_index = _sz;
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assert(0 <= _index && _index <= _sz, "Invariant.");
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if (buf != NULL) {
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if (_lock) {
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locking_enqueue_completed_buffer(buf);
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} else {
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qset()->enqueue_complete_buffer(buf);
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}
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}
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}
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