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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ALLOC_ENTRYPOINTS_H_
     18 #define ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ALLOC_ENTRYPOINTS_H_
     19 
     20 #include "base/mutex.h"
     21 #include "gc/allocator_type.h"
     22 #include "quick_entrypoints.h"
     23 
     24 namespace art {
     25 
     26 void ResetQuickAllocEntryPoints(QuickEntryPoints* qpoints);
     27 
     28 // Runtime shutdown lock is necessary to prevent races in thread initialization. When the thread is
     29 // starting it doesn't hold the mutator lock until after it has been added to the thread list.
     30 // However, Thread::Init is guarded by the runtime shutdown lock, so we can prevent these races by
     31 // holding the runtime shutdown lock and the mutator lock when we update the entrypoints.
     32 
     33 void SetQuickAllocEntryPointsAllocator(gc::AllocatorType allocator)
     34     REQUIRES(Locks::mutator_lock_, Locks::runtime_shutdown_lock_);
     35 
     36 void SetQuickAllocEntryPointsInstrumented(bool instrumented)
     37     REQUIRES(Locks::mutator_lock_, Locks::runtime_shutdown_lock_);
     38 
     39 }  // namespace art
     40 
     41 #endif  // ART_RUNTIME_ENTRYPOINTS_QUICK_QUICK_ALLOC_ENTRYPOINTS_H_
     42