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 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 58 extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1942_isLocked(JNIEnv*, jclass) { 59 return locked.load(); 60 } 61 62 extern "C" JNIEXPORT void JNICALL Java_art_Test1942_waitForPause(JNIEnv*, jclass) { 63 while (!paused.load()) { } 64 } 65 extern "C" JNIEXPORT void JNICALL Java_art_Test1942_resume(JNIEnv*, jclass) { 66 should_pause.store(false); 67 while (paused.load()) { } 68 } 69 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
