annotate src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp @ 17866:270d7cb38f40

8038934: Remove prefix allocated_ from methods and variables in Metaspace Reviewed-by: jmasa, coleenp
author ehelin
date Mon, 31 Mar 2014 17:09:38 +0200
parents da91efe96a93
children 4bfc44ba0d19
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp"
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27 #include "gc_implementation/parallelScavenge/psMarkSweep.hpp"
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28 #include "gc_implementation/parallelScavenge/psScavenge.hpp"
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29 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
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30 #include "gc_implementation/parallelScavenge/vmPSOperations.hpp"
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31 #include "memory/gcLocker.inline.hpp"
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32 #include "utilities/dtrace.hpp"
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33
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34 // The following methods are used by the parallel scavenge collector
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35 VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size,
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36 unsigned int gc_count) :
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37 VM_GC_Operation(gc_count, GCCause::_allocation_failure),
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38 _size(size),
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39 _result(NULL)
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40 {
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41 }
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42
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43 void VM_ParallelGCFailedAllocation::doit() {
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44 SvcGCMarker sgcm(SvcGCMarker::MINOR);
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45
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46 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
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47 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap");
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48
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49 GCCauseSetter gccs(heap, _gc_cause);
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50 _result = heap->failed_mem_allocate(_size);
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51
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52 if (_result == NULL && GC_locker::is_active_and_needs_gc()) {
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53 set_gc_locked();
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54 }
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55 }
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56
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57 // Only used for System.gc() calls
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58 VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count,
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59 unsigned int full_gc_count,
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60 GCCause::Cause gc_cause) :
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61 VM_GC_Operation(gc_count, gc_cause, full_gc_count, true /* full */)
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62 {
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63 }
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64
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65 void VM_ParallelGCSystemGC::doit() {
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66 SvcGCMarker sgcm(SvcGCMarker::FULL);
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67
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68 ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
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69 assert(heap->kind() == CollectedHeap::ParallelScavengeHeap,
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70 "must be a ParallelScavengeHeap");
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71
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72 GCCauseSetter gccs(heap, _gc_cause);
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73 if (_gc_cause == GCCause::_gc_locker
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74 DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) {
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75 // If (and only if) the scavenge fails, this will invoke a full gc.
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76 heap->invoke_scavenge();
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77 } else {
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78 heap->do_full_collection(false);
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79 }
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80 }