105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
/*
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* Copyright (C) 2013 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 "jvmti.h"
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// Test infrastructure
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#include "jvmti_helper.h"
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#include "scoped_local_ref.h"
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#include "test_env.h"
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namespace art {
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namespace Test1951MonitorEnterNoSuspend {
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using RawMonitorEnterNoSuspend = jvmtiError(*)(jvmtiEnv* env, jrawMonitorID mon);
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template <typename T>
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static void Dealloc(T* t) {
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jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(t));
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}
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template <typename T, typename ...Rest>
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static void Dealloc(T* t, Rest... rs) {
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Dealloc(t);
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Dealloc(rs...);
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}
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static void DeallocParams(jvmtiParamInfo* params, jint n_params) {
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for (jint i = 0; i < n_params; i++) {
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Dealloc(params[i].name);
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}
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}
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RawMonitorEnterNoSuspend GetNoSuspendFunction(JNIEnv* env) {
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// Get the extensions.
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jint n_ext = 0;
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jvmtiExtensionFunctionInfo* infos = nullptr;
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if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetExtensionFunctions(&n_ext, &infos))) {
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return nullptr;
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}
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RawMonitorEnterNoSuspend result = nullptr;
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for (jint i = 0; i < n_ext; i++) {
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jvmtiExtensionFunctionInfo* cur_info = &infos[i];
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if (strcmp("com.android.art.concurrent.raw_monitor_enter_no_suspend", cur_info->id) == 0) {
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result = reinterpret_cast<RawMonitorEnterNoSuspend>(cur_info->func);
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}
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// Cleanup the cur_info
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DeallocParams(cur_info->params, cur_info->param_count);
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Dealloc(cur_info->id, cur_info->short_description, cur_info->params, cur_info->errors);
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}
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// Cleanup the array.
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Dealloc(infos);
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return result;
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}
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static std::atomic<bool> started(false);
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static std::atomic<bool> resumed(false);
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static std::atomic<bool> progress(false);
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extern "C" JNIEXPORT void JNICALL Java_art_Test1951_otherThreadStart(JNIEnv* env, jclass) {
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jrawMonitorID mon;
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if (JvmtiErrorToException(env, jvmti_env, jvmti_env->CreateRawMonitor("test 1951", &mon))) {
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return;
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}
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RawMonitorEnterNoSuspend enter_func = GetNoSuspendFunction(env);
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if (enter_func == nullptr) {
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return;
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}
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started = true;
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while (!resumed) {}
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jvmtiError err = enter_func(jvmti_env, mon);
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CHECK_EQ(err, JVMTI_ERROR_NONE);
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progress = true;
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err = jvmti_env->RawMonitorExit(mon);
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CHECK_EQ(err, JVMTI_ERROR_NONE);
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1951_waitForStart(JNIEnv*, jclass) {
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while (!started) {}
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1951_otherThreadResume(JNIEnv*, jclass) {
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resumed = true;
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}
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extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1951_otherThreadProgressed(JNIEnv*, jclass) {
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return progress;
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}
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} // namespace Test1951MonitorEnterNoSuspend
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} // namespace art
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