| Alex Light | 23aa748 | 2017-08-16 10:01:13 -0700 | [diff] [blame] | 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 Test1920NativeSuspendMonitor { |
| 32 | |
| 33 | std::atomic<bool> should_pause(false); |
| 34 | std::atomic<bool> paused(false); |
| 35 | std::atomic<bool> done(false); |
| 36 | std::atomic<bool> started(false); |
| 37 | |
| 38 | extern "C" JNIEXPORT void JNICALL Java_art_Test1920_nativeSpin(JNIEnv* env, jclass) { |
| 39 | jrawMonitorID mon; |
| 40 | if (JvmtiErrorToException( |
| 41 | env, jvmti_env, jvmti_env->CreateRawMonitor("Test1920 monitor", &mon))) { |
| 42 | return; |
| 43 | } |
| 44 | while (!done.load()) { |
| 45 | while (should_pause.load()) { |
| 46 | paused.store(true); |
| 47 | } |
| 48 | paused.store(false); |
| 49 | if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorEnter(mon))) { |
| 50 | return; |
| 51 | } |
| 52 | started.store(true); |
| 53 | if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorExit(mon))) { |
| 54 | return; |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1920_isNativeThreadSpinning(JNIEnv*, jclass) { |
| 60 | return started.load(); |
| 61 | } |
| 62 | |
| 63 | extern "C" JNIEXPORT void JNICALL Java_art_Test1920_pause(JNIEnv*, jclass) { |
| 64 | should_pause.store(true); |
| 65 | paused.store(false); |
| 66 | while (!paused.load()) { } |
| 67 | } |
| 68 | extern "C" JNIEXPORT void JNICALL Java_art_Test1920_resume(JNIEnv*, jclass) { |
| 69 | should_pause.store(false); |
| 70 | while (paused.load()) { } |
| 71 | } |
| 72 | |
| 73 | extern "C" JNIEXPORT void JNICALL Java_art_Test1920_reset(JNIEnv*, jclass) { |
| 74 | started.store(false); |
| 75 | } |
| 76 | extern "C" JNIEXPORT void JNICALL Java_art_Test1920_nativeFinish(JNIEnv*, jclass) { |
| 77 | done.store(true); |
| 78 | } |
| 79 | |
| 80 | } // namespace Test1920NativeSuspendMonitor |
| 81 | } // namespace art |