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 "callee_save_frame.h" 18 #include "mirror/object-inl.h" 19 20 namespace art { 21 22 extern "C" int artUnlockObjectFromCode(mirror::Object* obj, Thread* self, 23 mirror::ArtMethod** sp) 24 UNLOCK_FUNCTION(monitor_lock_) { 25 FinishCalleeSaveFrameSetup(self, sp, Runtime::kRefsOnly); 26 DCHECK(obj != NULL); // Assumed to have been checked before entry 27 // MonitorExit may throw exception 28 return obj->MonitorExit(self) ? 0 /* Success */ : -1 /* Failure */; 29 } 30 31 extern "C" void artLockObjectFromCode(mirror::Object* obj, Thread* thread, 32 mirror::ArtMethod** sp) 33 EXCLUSIVE_LOCK_FUNCTION(monitor_lock_) { 34 FinishCalleeSaveFrameSetup(thread, sp, Runtime::kRefsOnly); 35 DCHECK(obj != NULL); // Assumed to have been checked before entry 36 obj->MonitorEnter(thread); // May block 37 DCHECK(thread->HoldsLock(obj)); 38 // Only possible exception is NPE and is handled before entry 39 DCHECK(!thread->IsExceptionPending()); 40 } 41 42 } // namespace art 43
