1 /*
2 * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
112 public:
113 VM_CMS_Final_Remark(CMSCollector* _collector) :
114 VM_CMS_Operation(_collector) {}
115 virtual VMOp_Type type() const { return VMOp_CMS_Final_Remark; }
116 virtual void doit();
117
118 virtual const CMSCollector::CollectorState legal_state() const {
119 return CMSCollector::FinalMarking;
120 }
121
122 virtual const bool needs_pll() const {
123 return true;
124 }
125 };
126
127
128 // VM operation to invoke a concurrent collection of the heap as a
129 // GenCollectedHeap heap.
130 class VM_GenCollectFullConcurrent: public VM_GC_Operation {
131 public:
132 VM_GenCollectFullConcurrent(unsigned int gc_count_before,
133 unsigned int full_gc_count_before,
134 GCCause::Cause gc_cause)
135 : VM_GC_Operation(gc_count_before, gc_cause, full_gc_count_before, true /* full */)
136 {
137 assert(FullGCCount_lock != NULL, "Error");
138 assert(UseAsyncConcMarkSweepGC, "Else will hang caller");
139 }
140 ~VM_GenCollectFullConcurrent() {}
141 virtual VMOp_Type type() const { return VMOp_GenCollectFullConcurrent; }
142 virtual void doit();
143 virtual void doit_epilogue();
144 virtual bool is_cheap_allocated() const { return false; }
145 virtual bool evaluate_at_safepoint() const;
146 };
147
148 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMCMSOPERATIONS_HPP
|
1 /*
2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
112 public:
113 VM_CMS_Final_Remark(CMSCollector* _collector) :
114 VM_CMS_Operation(_collector) {}
115 virtual VMOp_Type type() const { return VMOp_CMS_Final_Remark; }
116 virtual void doit();
117
118 virtual const CMSCollector::CollectorState legal_state() const {
119 return CMSCollector::FinalMarking;
120 }
121
122 virtual const bool needs_pll() const {
123 return true;
124 }
125 };
126
127
128 // VM operation to invoke a concurrent collection of the heap as a
129 // GenCollectedHeap heap.
130 class VM_GenCollectFullConcurrent: public VM_GC_Operation {
131 public:
132 VM_GenCollectFullConcurrent(uint gc_count_before,
133 uint full_gc_count_before,
134 GCCause::Cause gc_cause)
135 : VM_GC_Operation(gc_count_before, gc_cause, full_gc_count_before, true /* full */)
136 {
137 assert(FullGCCount_lock != NULL, "Error");
138 assert(UseAsyncConcMarkSweepGC, "Else will hang caller");
139 }
140 ~VM_GenCollectFullConcurrent() {}
141 virtual VMOp_Type type() const { return VMOp_GenCollectFullConcurrent; }
142 virtual void doit();
143 virtual void doit_epilogue();
144 virtual bool is_cheap_allocated() const { return false; }
145 virtual bool evaluate_at_safepoint() const;
146 };
147
148 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_VMCMSOPERATIONS_HPP
|