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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "partial_mark_sweep.h"
#include "gc/heap.h"
#include "gc/space/space.h"
#include "partial_mark_sweep.h"
#include "thread-inl.h"
namespace art {
namespace gc {
namespace collector {
PartialMarkSweep::PartialMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix)
: MarkSweep(heap, is_concurrent, name_prefix.empty() ? "partial " : name_prefix) {
cumulative_timings_.SetName(GetName());
}
void PartialMarkSweep::BindBitmaps() {
MarkSweep::BindBitmaps();
WriterMutexLock mu(Thread::Current(), *Locks::heap_bitmap_lock_);
// For partial GCs we need to bind the bitmap of the zygote space so that all objects in the
// zygote space are viewed as marked.
for (const auto& space : GetHeap()->GetContinuousSpaces()) {
if (space->GetGcRetentionPolicy() == space::kGcRetentionPolicyFullCollect) {
CHECK(space->IsZygoteSpace());
CHECK(immune_region_.AddContinuousSpace(space)) << "Failed to add space " << *space;
}
}
}
} // namespace collector
} // namespace gc
} // namespace art
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