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      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 Test1905NativeSuspend {
     32 
     33 std::atomic<bool> done(false);
     34 std::atomic<bool> started(false);
     35 
     36 extern "C" JNIEXPORT void JNICALL Java_art_Test1905_nativeSpin(JNIEnv*, jclass) {
     37   while (!done.load()) {
     38     started.store(true);
     39   }
     40 }
     41 
     42 extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1905_isNativeThreadSpinning(JNIEnv*, jclass) {
     43   return started.load();
     44 }
     45 
     46 extern "C" JNIEXPORT void JNICALL Java_art_Test1905_nativeResume(JNIEnv*, jclass) {
     47   done.store(true);
     48 }
     49 
     50 }  // namespace Test1905NativeSuspend
     51 }  // namespace art
     52