1 /* 2 * Copyright (c) 2016, 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 * 23 */ 24 25 #include "gc/shared/collectedHeap.hpp" 26 #include "gc/shared/gc.hpp" 27 #include "logging/log.hpp" 28 #include "memory/resourceArea.hpp" 29 #include "utilities/debug.hpp" 30 #include "utilities/globalDefinitions.hpp" 31 32 jint GC::initialize_heap() { 33 jint status = JNI_ERR; 34 _heap = create_heap(); 35 assert(_heap != NULL, "heap not created"); 36 status = _heap->initialize(); 37 38 log_info(gc)("Using %s", _heap->name()); 39 40 return status; 41 42 } 43 44 GC* GC::gc() { 45 // assert(_gc != NULL, "GC not yet created"); 46 return _gc; 47 } 48 49 bool GC::is_initialized() { 50 return _gc != NULL; 51 } 52 53 CollectedHeap* GC::heap() const { 54 assert(_heap != NULL, "Heap not yet created"); 55 return _heap; 56 } 57 58 void GC::initialize_flags() { 59 // Default does nothing. 60 } 61 62 GCServicabilitySupport* GC::servicability_support() { 63 if (_servicability == NULL) { 64 _servicability = create_servicability_support(); 65 } 66 return _servicability; 67 } 68 69 void GC::synchronize_safepoint() { 70 // No-op by default. 71 } 72 73 void GC::desynchronize_safepoint() { 74 // No-op by default. 75 }