1 /*
2 * Copyright (C) 2017 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 <atomic>
18
19 #include "android-base/logging.h"
20 #include "jni.h"
21 #include "scoped_local_ref.h"
22 #include "scoped_primitive_array.h"
23
24 #include "jvmti.h"
25
26 // Test infrastructure
27 #include "jvmti_helper.h"
28 #include "test_env.h"
29
30 namespace art {
31 namespace Test1942SuspendRawMonitorExit {
32
33 jrawMonitorID mon;
34 std::atomic<bool> should_pause(true);
35 std::atomic<bool> paused(false);
36 std::atomic<bool> done(false);
37 std::atomic<bool> locked(false);
38
Java_art_Test1942_nativeRun(JNIEnv * env,jclass)39 extern "C" JNIEXPORT void JNICALL Java_art_Test1942_nativeRun(JNIEnv* env, jclass) {
40 if (JvmtiErrorToException(
41 env, jvmti_env, jvmti_env->CreateRawMonitor("Test1942 monitor", &mon))) {
42 return;
43 }
44 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorEnter(mon))) {
45 return;
46 }
47 locked.store(true);
48 while (should_pause.load()) {
49 paused.store(true);
50 }
51 paused.store(false);
52 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorExit(mon))) {
53 return;
54 }
55 locked.store(false);
56 }
57
Java_art_Test1942_isLocked(JNIEnv *,jclass)58 extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1942_isLocked(JNIEnv*, jclass) {
59 return locked.load();
60 }
61
Java_art_Test1942_waitForPause(JNIEnv *,jclass)62 extern "C" JNIEXPORT void JNICALL Java_art_Test1942_waitForPause(JNIEnv*, jclass) {
63 while (!paused.load()) { }
64 }
Java_art_Test1942_resume(JNIEnv *,jclass)65 extern "C" JNIEXPORT void JNICALL Java_art_Test1942_resume(JNIEnv*, jclass) {
66 should_pause.store(false);
67 while (paused.load()) { }
68 }
69
Java_art_Test1942_grabRawMonitor(JNIEnv * env,jclass)70 extern "C" JNIEXPORT void JNICALL Java_art_Test1942_grabRawMonitor(JNIEnv* env, jclass) {
71 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorEnter(mon))) {
72 return;
73 }
74 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorExit(mon))) {
75 return;
76 }
77 }
78
79 } // namespace Test1942SuspendRawMonitorExit
80 } // namespace art
81