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