82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <atomic>
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#include "android-base/logging.h"
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#include "jni.h"
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#include "scoped_local_ref.h"
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#include "scoped_primitive_array.h"
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#include "jvmti.h"
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// Test infrastructure
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#include "jvmti_helper.h"
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#include "test_env.h"
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namespace art {
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namespace Test1920NativeSuspendMonitor {
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std::atomic<bool> should_pause(false);
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std::atomic<bool> paused(false);
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std::atomic<bool> done(false);
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std::atomic<bool> started(false);
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extern "C" JNIEXPORT void JNICALL Java_art_Test1920_nativeSpin(JNIEnv* env, jclass) {
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jrawMonitorID mon;
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if (JvmtiErrorToException(
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env, jvmti_env, jvmti_env->CreateRawMonitor("Test1920 monitor", &mon))) {
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return;
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}
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while (!done.load()) {
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while (should_pause.load()) {
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paused.store(true);
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}
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paused.store(false);
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if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorEnter(mon))) {
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return;
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}
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started.store(true);
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if (JvmtiErrorToException(env, jvmti_env, jvmti_env->RawMonitorExit(mon))) {
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return;
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}
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}
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}
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extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1920_isNativeThreadSpinning(JNIEnv*, jclass) {
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return started.load();
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1920_pause(JNIEnv*, jclass) {
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should_pause.store(true);
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paused.store(false);
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while (!paused.load()) { }
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1920_resume(JNIEnv*, jclass) {
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should_pause.store(false);
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while (paused.load()) { }
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1920_reset(JNIEnv*, jclass) {
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started.store(false);
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1920_nativeFinish(JNIEnv*, jclass) {
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done.store(true);
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}
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} // namespace Test1920NativeSuspendMonitor
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} // namespace art
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