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 "incls/_precompiled.incl" 26 #include "incls/_genMarkSweep.cpp.incl" 27 28 void GenMarkSweep::invoke_at_safepoint(int level, ReferenceProcessor* rp, 29 bool clear_all_softrefs) { 30 assert(SafepointSynchronize::is_at_safepoint(), "must be at a safepoint"); 31 32 GenCollectedHeap* gch = GenCollectedHeap::heap(); 33 #ifdef ASSERT 34 if (gch->collector_policy()->should_clear_all_soft_refs()) { 35 assert(clear_all_softrefs, "Policy should have been checked earlier"); 36 } 37 #endif 38 39 // hook up weak ref data so it can be used during Mark-Sweep 40 assert(ref_processor() == NULL, "no stomping"); 41 assert(rp != NULL, "should be non-NULL"); 42 _ref_processor = rp; 43 rp->setup_policy(clear_all_softrefs); 44 45 TraceTime t1("Full GC", PrintGC && !PrintGCDetails, true, gclog_or_tty); 46 | 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 "precompiled.hpp" 26 #include "classfile/javaClasses.hpp" 27 #include "classfile/symbolTable.hpp" 28 #include "classfile/systemDictionary.hpp" 29 #include "classfile/vmSymbols.hpp" 30 #include "code/codeCache.hpp" 31 #include "code/icBuffer.hpp" 32 #include "gc_interface/collectedHeap.inline.hpp" 33 #include "memory/genCollectedHeap.hpp" 34 #include "memory/genMarkSweep.hpp" 35 #include "memory/genOopClosures.inline.hpp" 36 #include "memory/generation.inline.hpp" 37 #include "memory/modRefBarrierSet.hpp" 38 #include "memory/referencePolicy.hpp" 39 #include "memory/space.hpp" 40 #include "oops/instanceRefKlass.hpp" 41 #include "oops/oop.inline.hpp" 42 #include "prims/jvmtiExport.hpp" 43 #include "runtime/fprofiler.hpp" 44 #include "runtime/handles.inline.hpp" 45 #include "runtime/synchronizer.hpp" 46 #include "runtime/vmThread.hpp" 47 #include "utilities/copy.hpp" 48 #include "utilities/events.hpp" 49 #ifdef TARGET_OS_FAMILY_linux 50 # include "thread_linux.inline.hpp" 51 #endif 52 #ifdef TARGET_OS_FAMILY_solaris 53 # include "thread_solaris.inline.hpp" 54 #endif 55 #ifdef TARGET_OS_FAMILY_windows 56 # include "thread_windows.inline.hpp" 57 #endif 58 59 void GenMarkSweep::invoke_at_safepoint(int level, ReferenceProcessor* rp, 60 bool clear_all_softrefs) { 61 assert(SafepointSynchronize::is_at_safepoint(), "must be at a safepoint"); 62 63 GenCollectedHeap* gch = GenCollectedHeap::heap(); 64 #ifdef ASSERT 65 if (gch->collector_policy()->should_clear_all_soft_refs()) { 66 assert(clear_all_softrefs, "Policy should have been checked earlier"); 67 } 68 #endif 69 70 // hook up weak ref data so it can be used during Mark-Sweep 71 assert(ref_processor() == NULL, "no stomping"); 72 assert(rp != NULL, "should be non-NULL"); 73 _ref_processor = rp; 74 rp->setup_policy(clear_all_softrefs); 75 76 TraceTime t1("Full GC", PrintGC && !PrintGCDetails, true, gclog_or_tty); 77 |