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-inl.h"
18#include "mirror/object-inl.h"
19
20namespace art {
21
22extern "C" void art_portable_lock_object_from_code(mirror::Object* obj, Thread* thread)
23    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_)
24    NO_THREAD_SAFETY_ANALYSIS /* EXCLUSIVE_LOCK_FUNCTION(Monitor::monitor_lock_) */ {
25  DCHECK(obj != nullptr);        // Assumed to have been checked before entry.
26  obj->MonitorEnter(thread);  // May block.
27  DCHECK(thread->HoldsLock(obj));
28  // Only possible exception is NPE and is handled before entry.
29  DCHECK(!thread->IsExceptionPending());
30}
31
32extern "C" void art_portable_unlock_object_from_code(mirror::Object* obj, Thread* thread)
33    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_)
34    NO_THREAD_SAFETY_ANALYSIS /* UNLOCK_FUNCTION(Monitor::monitor_lock_) */ {
35  DCHECK(obj != nullptr);  // Assumed to have been checked before entry.
36  // MonitorExit may throw exception.
37  obj->MonitorExit(thread);
38}
39
40}  // namespace art
41