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 Test1921NativeSuspendMonitorRecursive { 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_Test1921_nativeSpin(JNIEnv* env, jclass) { 39 jrawMonitorID mon; 40 if (JvmtiErrorToException( 41 env, jvmti_env, jvmti_env->CreateRawMonitor("Test1921 monitor", &mon))) { 42 return; 43 } 44 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorEnter(mon))) { 45 return; 46 } 47 while (!done.load()) { 48 while (should_pause.load()) { 49 paused.store(true); 50 } 51 paused.store(false); 52 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorEnter(mon))) { 53 return; 54 } 55 started.store(true); 56 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorExit(mon))) { 57 return; 58 } 59 } 60 if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorExit(mon))) { 61 return; 62 } 63 } 64 65 extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1921_isNativeThreadSpinning(JNIEnv*, jclass) { 66 return started.load(); 67 } 68 69 extern "C" JNIEXPORT void JNICALL Java_art_Test1921_pause(JNIEnv*, jclass) { 70 should_pause.store(true); 71 paused.store(false); 72 while (!paused.load()) { } 73 } 74 75 extern "C" JNIEXPORT void JNICALL Java_art_Test1921_resume(JNIEnv*, jclass) { 76 should_pause.store(false); 77 while (paused.load()) { } 78 } 79 80 extern "C" JNIEXPORT void JNICALL Java_art_Test1921_reset(JNIEnv*, jclass) { 81 started.store(false); 82 } 83 84 extern "C" JNIEXPORT void JNICALL Java_art_Test1921_nativeFinish(JNIEnv*, jclass) { 85 done.store(true); 86 } 87 88 } // namespace Test1921NativeSuspendMonitorRecursive 89 } // namespace art 90
