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      1 /*
      2  * Copyright (C) 2012 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 #include "entrypoints/entrypoint_utils.h"
     18 #include "mirror/object-inl.h"
     19 
     20 namespace art {
     21 
     22 extern "C" void art_portable_lock_object_from_code(mirror::Object* obj, Thread* thread)
     23     EXCLUSIVE_LOCK_FUNCTION(monitor_lock_) {
     24   DCHECK(obj != NULL);        // Assumed to have been checked before entry.
     25   obj->MonitorEnter(thread);  // May block.
     26   DCHECK(thread->HoldsLock(obj));
     27   // Only possible exception is NPE and is handled before entry.
     28   DCHECK(!thread->IsExceptionPending());
     29 }
     30 
     31 extern "C" void art_portable_unlock_object_from_code(mirror::Object* obj, Thread* thread)
     32     UNLOCK_FUNCTION(monitor_lock_) {
     33   DCHECK(obj != NULL);  // Assumed to have been checked before entry.
     34   // MonitorExit may throw exception.
     35   obj->MonitorExit(thread);
     36 }
     37 
     38 }  // namespace art
     39