psCompactionManager.cpp revision 375
0N/A * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 0N/A * published by the Free Software Foundation. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 0N/A * CA 95054 USA or visit www.sun.com if you need additional information or 0N/A * have any questions. 0N/A#
include "incls/_precompiled.incl" 0N/A // We want the overflow stack to be permanent 0N/A // We want the overflow stack to be permanent 0N/A // Note that _revisit_klass_stack is allocated out of the 0N/A // C heap (as opposed to out of ResourceArena). 0N/A // _manager_array and _stack_array are statics 0N/A // shared with all instances of ParCompactionManager 0N/A // should not be deallocated. 0N/A "Needed for initialization");
0N/A // Create and register the ParCompactionManager(s) for the worker threads. 0N/A // The VMThread gets its own ParCompactionManager, which is not available 0N/A // for work stealing. 0N/A "Could not create ParCompactionManager");
0N/A "Not initialized?");
0N/A// For now save on a stack 0N/A // Should not be used in the parallel case 375N/A// Save region on a stack 0N/A // Should not be used in the parallel case 0N/A // Drain overflow stack first, so other threads can steal from 0N/A // claimed stack while we work. 0N/A // obj is a reference!!! 0N/A // It would be nice to assert about the type of objects we might 0N/A // pop, but they can come from anywhere, unfortunately. 0N/A#
if 1 // def DO_PARALLEL - the serial code hasn't been updated 0N/A // Drain overflow stack first, so other threads can steal from 0N/A // claimed stack while we work. 0N/A // Drain overflow stack first, so other threads can steal from 0N/A // claimed stack while we work. 0N/A // obj is a reference!!! 0N/A // It would be nice to assert about the type of objects we might 0N/A // pop, but they can come from anywhere, unfortunately.