1 /*
2  * Copyright (C) 2013 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 <pthread.h>
18 
19 #include <cstdio>
20 #include <iostream>
21 #include <vector>
22 
23 #include "android-base/logging.h"
24 #include "jni.h"
25 #include "jvmti.h"
26 
27 #include "scoped_local_ref.h"
28 #include "scoped_primitive_array.h"
29 
30 // Test infrastructure
31 #include "jvmti_helper.h"
32 #include "test_env.h"
33 
34 namespace art {
35 namespace Test1930MonitorInfo {
36 
37 extern "C" JNIEXPORT void JNICALL Java_art_Test1930_executeLockedNative(JNIEnv* env,
38                                                                         jclass klass,
39                                                                         jobject run,
40                                                                         jobject l) {
41   ScopedLocalRef<jclass> runnable(env, env->FindClass("java/lang/Runnable"));
42   if (env->ExceptionCheck()) {
43     return;
44   }
45   jmethodID method = env->GetMethodID(runnable.get(), "run", "()V");
46 
47   if (env->ExceptionCheck()) {
48     return;
49   }
50   jmethodID printMethod = env->GetStaticMethodID(klass, "printPreLock", "(Ljava/lang/Object;)V");
51   if (env->ExceptionCheck()) {
52     return;
53   }
54 
55   env->CallStaticVoidMethod(klass, printMethod, l);
56   if (env->ExceptionCheck()) {
57     return;
58   }
59   if (env->MonitorEnter(l) != 0) {
60     return;
61   }
62   env->CallVoidMethod(run, method);
63   env->MonitorExit(l);
64 }
65 
66 }  // namespace Test1930MonitorInfo
67 }  // namespace art
68