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