Tue, 07 Oct 2008 11:01:35 -0700
Merge
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | # include "incls/_precompiled.incl" |
duke@435 | 26 | # include "incls/_vmPSOperations.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | // The following methods are used by the parallel scavenge collector |
duke@435 | 29 | VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size, |
duke@435 | 30 | bool is_tlab, unsigned int gc_count) : |
duke@435 | 31 | VM_GC_Operation(gc_count), |
duke@435 | 32 | _size(size), |
duke@435 | 33 | _is_tlab(is_tlab), |
duke@435 | 34 | _result(NULL) |
duke@435 | 35 | { |
duke@435 | 36 | } |
duke@435 | 37 | |
duke@435 | 38 | void VM_ParallelGCFailedAllocation::doit() { |
duke@435 | 39 | JvmtiGCForAllocationMarker jgcm; |
duke@435 | 40 | notify_gc_begin(false); |
duke@435 | 41 | |
duke@435 | 42 | ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); |
duke@435 | 43 | assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); |
duke@435 | 44 | |
duke@435 | 45 | GCCauseSetter gccs(heap, _gc_cause); |
duke@435 | 46 | _result = heap->failed_mem_allocate(_size, _is_tlab); |
duke@435 | 47 | |
duke@435 | 48 | if (_result == NULL && GC_locker::is_active_and_needs_gc()) { |
duke@435 | 49 | set_gc_locked(); |
duke@435 | 50 | } |
duke@435 | 51 | |
duke@435 | 52 | notify_gc_end(); |
duke@435 | 53 | } |
duke@435 | 54 | |
duke@435 | 55 | VM_ParallelGCFailedPermanentAllocation::VM_ParallelGCFailedPermanentAllocation(size_t size, |
duke@435 | 56 | unsigned int gc_count, unsigned int full_gc_count) : |
duke@435 | 57 | VM_GC_Operation(gc_count, full_gc_count, true /* full */), |
duke@435 | 58 | _size(size), |
duke@435 | 59 | _result(NULL) |
duke@435 | 60 | { |
duke@435 | 61 | } |
duke@435 | 62 | |
duke@435 | 63 | void VM_ParallelGCFailedPermanentAllocation::doit() { |
duke@435 | 64 | JvmtiGCFullMarker jgcm; |
duke@435 | 65 | notify_gc_begin(true); |
duke@435 | 66 | |
duke@435 | 67 | ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); |
duke@435 | 68 | assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); |
duke@435 | 69 | |
duke@435 | 70 | GCCauseSetter gccs(heap, _gc_cause); |
duke@435 | 71 | _result = heap->failed_permanent_mem_allocate(_size); |
apetrusenko@574 | 72 | if (_result == NULL && GC_locker::is_active_and_needs_gc()) { |
apetrusenko@574 | 73 | set_gc_locked(); |
apetrusenko@574 | 74 | } |
duke@435 | 75 | notify_gc_end(); |
duke@435 | 76 | } |
duke@435 | 77 | |
duke@435 | 78 | // Only used for System.gc() calls |
duke@435 | 79 | VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count, |
duke@435 | 80 | unsigned int full_gc_count, |
duke@435 | 81 | GCCause::Cause gc_cause) : |
duke@435 | 82 | VM_GC_Operation(gc_count, full_gc_count, true /* full */) |
duke@435 | 83 | { |
duke@435 | 84 | _gc_cause = gc_cause; |
duke@435 | 85 | } |
duke@435 | 86 | |
duke@435 | 87 | void VM_ParallelGCSystemGC::doit() { |
duke@435 | 88 | JvmtiGCFullMarker jgcm; |
duke@435 | 89 | notify_gc_begin(true); |
duke@435 | 90 | |
duke@435 | 91 | ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); |
duke@435 | 92 | assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, |
duke@435 | 93 | "must be a ParallelScavengeHeap"); |
duke@435 | 94 | |
duke@435 | 95 | GCCauseSetter gccs(heap, _gc_cause); |
duke@435 | 96 | if (_gc_cause == GCCause::_gc_locker |
duke@435 | 97 | DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) { |
duke@435 | 98 | // If (and only if) the scavenge fails, this will invoke a full gc. |
duke@435 | 99 | heap->invoke_scavenge(); |
duke@435 | 100 | } else { |
duke@435 | 101 | heap->invoke_full_gc(false); |
duke@435 | 102 | } |
duke@435 | 103 | notify_gc_end(); |
duke@435 | 104 | } |