| /* |
| * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| # include "incls/_precompiled.incl" |
| # include "incls/_vmPSOperations.cpp.incl" |
| |
| // The following methods are used by the parallel scavenge collector |
| VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t size, |
| bool is_tlab, unsigned int gc_count) : |
| VM_GC_Operation(gc_count), |
| _size(size), |
| _is_tlab(is_tlab), |
| _result(NULL) |
| { |
| } |
| |
| void VM_ParallelGCFailedAllocation::doit() { |
| JvmtiGCForAllocationMarker jgcm; |
| notify_gc_begin(false); |
| |
| ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); |
| assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); |
| |
| GCCauseSetter gccs(heap, _gc_cause); |
| _result = heap->failed_mem_allocate(_size, _is_tlab); |
| |
| if (_result == NULL && GC_locker::is_active_and_needs_gc()) { |
| set_gc_locked(); |
| } |
| |
| notify_gc_end(); |
| } |
| |
| VM_ParallelGCFailedPermanentAllocation::VM_ParallelGCFailedPermanentAllocation(size_t size, |
| unsigned int gc_count, unsigned int full_gc_count) : |
| VM_GC_Operation(gc_count, full_gc_count, true /* full */), |
| _size(size), |
| _result(NULL) |
| { |
| } |
| |
| void VM_ParallelGCFailedPermanentAllocation::doit() { |
| JvmtiGCFullMarker jgcm; |
| notify_gc_begin(true); |
| |
| ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); |
| assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "must be a ParallelScavengeHeap"); |
| |
| GCCauseSetter gccs(heap, _gc_cause); |
| _result = heap->failed_permanent_mem_allocate(_size); |
| notify_gc_end(); |
| } |
| |
| // Only used for System.gc() calls |
| VM_ParallelGCSystemGC::VM_ParallelGCSystemGC(unsigned int gc_count, |
| unsigned int full_gc_count, |
| GCCause::Cause gc_cause) : |
| VM_GC_Operation(gc_count, full_gc_count, true /* full */) |
| { |
| _gc_cause = gc_cause; |
| } |
| |
| void VM_ParallelGCSystemGC::doit() { |
| JvmtiGCFullMarker jgcm; |
| notify_gc_begin(true); |
| |
| ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap(); |
| assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, |
| "must be a ParallelScavengeHeap"); |
| |
| GCCauseSetter gccs(heap, _gc_cause); |
| if (_gc_cause == GCCause::_gc_locker |
| DEBUG_ONLY(|| _gc_cause == GCCause::_scavenge_alot)) { |
| // If (and only if) the scavenge fails, this will invoke a full gc. |
| heap->invoke_scavenge(); |
| } else { |
| heap->invoke_full_gc(false); |
| } |
| notify_gc_end(); |
| } |