Tue, 23 Nov 2010 13:22:55 -0800
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
ysr@777 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
ysr@777 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ysr@777 | 4 | * |
ysr@777 | 5 | * This code is free software; you can redistribute it and/or modify it |
ysr@777 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ysr@777 | 7 | * published by the Free Software Foundation. |
ysr@777 | 8 | * |
ysr@777 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ysr@777 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ysr@777 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ysr@777 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
ysr@777 | 13 | * accompanied this code). |
ysr@777 | 14 | * |
ysr@777 | 15 | * You should have received a copy of the GNU General Public License version |
ysr@777 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
ysr@777 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ysr@777 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
ysr@777 | 22 | * |
ysr@777 | 23 | */ |
ysr@777 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
stefank@2314 | 27 | #include "gc_implementation/g1/g1CollectorPolicy.hpp" |
stefank@2314 | 28 | #include "gc_implementation/g1/vm_operations_g1.hpp" |
stefank@2314 | 29 | #include "gc_implementation/shared/isGCActiveMark.hpp" |
stefank@2314 | 30 | #include "runtime/interfaceSupport.hpp" |
ysr@777 | 31 | |
ysr@777 | 32 | void VM_G1CollectForAllocation::doit() { |
ysr@777 | 33 | JvmtiGCForAllocationMarker jgcm; |
ysr@777 | 34 | G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
ysr@777 | 35 | _res = g1h->satisfy_failed_allocation(_size); |
ysr@777 | 36 | assert(g1h->is_in_or_null(_res), "result not in heap"); |
ysr@777 | 37 | } |
ysr@777 | 38 | |
ysr@777 | 39 | void VM_G1CollectFull::doit() { |
ysr@777 | 40 | JvmtiGCFullMarker jgcm; |
ysr@777 | 41 | G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
ysr@777 | 42 | GCCauseSetter x(g1h, _gc_cause); |
ysr@777 | 43 | g1h->do_full_collection(false /* clear_all_soft_refs */); |
ysr@777 | 44 | } |
ysr@777 | 45 | |
ysr@777 | 46 | void VM_G1IncCollectionPause::doit() { |
ysr@777 | 47 | JvmtiGCForAllocationMarker jgcm; |
ysr@777 | 48 | G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
tonyp@2011 | 49 | assert(!_should_initiate_conc_mark || |
tonyp@2011 | 50 | ((_gc_cause == GCCause::_gc_locker && GCLockerInvokesConcurrent) || |
tonyp@2011 | 51 | (_gc_cause == GCCause::_java_lang_system_gc && ExplicitGCInvokesConcurrent)), |
tonyp@2011 | 52 | "only a GC locker or a System.gc() induced GC should start a cycle"); |
tonyp@2011 | 53 | |
ysr@1523 | 54 | GCCauseSetter x(g1h, _gc_cause); |
tonyp@2011 | 55 | if (_should_initiate_conc_mark) { |
tonyp@2011 | 56 | // It's safer to read full_collections_completed() here, given |
tonyp@2011 | 57 | // that noone else will be updating it concurrently. Since we'll |
tonyp@2011 | 58 | // only need it if we're initiating a marking cycle, no point in |
tonyp@2011 | 59 | // setting it earlier. |
tonyp@2011 | 60 | _full_collections_completed_before = g1h->full_collections_completed(); |
tonyp@2011 | 61 | |
tonyp@2011 | 62 | // At this point we are supposed to start a concurrent cycle. We |
tonyp@2011 | 63 | // will do so if one is not already in progress. |
tonyp@2011 | 64 | bool res = g1h->g1_policy()->force_initial_mark_if_outside_cycle(); |
tonyp@2011 | 65 | } |
tonyp@2011 | 66 | g1h->do_collection_pause_at_safepoint(_target_pause_time_ms); |
tonyp@2011 | 67 | } |
tonyp@2011 | 68 | |
tonyp@2011 | 69 | void VM_G1IncCollectionPause::doit_epilogue() { |
tonyp@2011 | 70 | VM_GC_Operation::doit_epilogue(); |
tonyp@2011 | 71 | |
tonyp@2011 | 72 | // If the pause was initiated by a System.gc() and |
tonyp@2011 | 73 | // +ExplicitGCInvokesConcurrent, we have to wait here for the cycle |
tonyp@2011 | 74 | // that just started (or maybe one that was already in progress) to |
tonyp@2011 | 75 | // finish. |
tonyp@2011 | 76 | if (_gc_cause == GCCause::_java_lang_system_gc && |
tonyp@2011 | 77 | _should_initiate_conc_mark) { |
tonyp@2011 | 78 | assert(ExplicitGCInvokesConcurrent, |
tonyp@2011 | 79 | "the only way to be here is if ExplicitGCInvokesConcurrent is set"); |
tonyp@2011 | 80 | |
tonyp@2011 | 81 | G1CollectedHeap* g1h = G1CollectedHeap::heap(); |
tonyp@2011 | 82 | |
tonyp@2011 | 83 | // In the doit() method we saved g1h->full_collections_completed() |
tonyp@2011 | 84 | // in the _full_collections_completed_before field. We have to |
tonyp@2011 | 85 | // wait until we observe that g1h->full_collections_completed() |
tonyp@2011 | 86 | // has increased by at least one. This can happen if a) we started |
tonyp@2011 | 87 | // a cycle and it completes, b) a cycle already in progress |
tonyp@2011 | 88 | // completes, or c) a Full GC happens. |
tonyp@2011 | 89 | |
tonyp@2011 | 90 | // If the condition has already been reached, there's no point in |
tonyp@2011 | 91 | // actually taking the lock and doing the wait. |
tonyp@2011 | 92 | if (g1h->full_collections_completed() <= |
tonyp@2011 | 93 | _full_collections_completed_before) { |
tonyp@2011 | 94 | // The following is largely copied from CMS |
tonyp@2011 | 95 | |
tonyp@2011 | 96 | Thread* thr = Thread::current(); |
tonyp@2011 | 97 | assert(thr->is_Java_thread(), "invariant"); |
tonyp@2011 | 98 | JavaThread* jt = (JavaThread*)thr; |
tonyp@2011 | 99 | ThreadToNativeFromVM native(jt); |
tonyp@2011 | 100 | |
tonyp@2011 | 101 | MutexLockerEx x(FullGCCount_lock, Mutex::_no_safepoint_check_flag); |
tonyp@2011 | 102 | while (g1h->full_collections_completed() <= |
tonyp@2011 | 103 | _full_collections_completed_before) { |
tonyp@2011 | 104 | FullGCCount_lock->wait(Mutex::_no_safepoint_check_flag); |
tonyp@2011 | 105 | } |
tonyp@2011 | 106 | } |
tonyp@2011 | 107 | } |
ysr@777 | 108 | } |
ysr@777 | 109 | |
ysr@777 | 110 | void VM_CGC_Operation::doit() { |
ysr@777 | 111 | gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps); |
ysr@777 | 112 | TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty); |
ysr@777 | 113 | TraceTime t(_printGCMessage, PrintGC, true, gclog_or_tty); |
ysr@777 | 114 | SharedHeap* sh = SharedHeap::heap(); |
ysr@777 | 115 | // This could go away if CollectedHeap gave access to _gc_is_active... |
ysr@777 | 116 | if (sh != NULL) { |
ysr@777 | 117 | IsGCActiveMark x; |
ysr@777 | 118 | _cl->do_void(); |
ysr@777 | 119 | } else { |
ysr@777 | 120 | _cl->do_void(); |
ysr@777 | 121 | } |
ysr@777 | 122 | } |
ysr@777 | 123 | |
ysr@777 | 124 | bool VM_CGC_Operation::doit_prologue() { |
ysr@777 | 125 | Heap_lock->lock(); |
ysr@777 | 126 | SharedHeap::heap()->_thread_holds_heap_lock_for_gc = true; |
ysr@777 | 127 | return true; |
ysr@777 | 128 | } |
ysr@777 | 129 | |
ysr@777 | 130 | void VM_CGC_Operation::doit_epilogue() { |
ysr@777 | 131 | SharedHeap::heap()->_thread_holds_heap_lock_for_gc = false; |
ysr@777 | 132 | Heap_lock->unlock(); |
ysr@777 | 133 | } |