| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <atomic> |
| |
| #include "jvmti.h" |
| |
| // Test infrastructure |
| #include "jvmti_helper.h" |
| #include "scoped_local_ref.h" |
| #include "test_env.h" |
| |
| namespace art { |
| namespace Test1951MonitorEnterNoSuspend { |
| |
| using RawMonitorEnterNoSuspend = jvmtiError(*)(jvmtiEnv* env, jrawMonitorID mon); |
| |
| template <typename T> |
| static void Dealloc(T* t) { |
| jvmti_env->Deallocate(reinterpret_cast<unsigned char*>(t)); |
| } |
| |
| template <typename T, typename ...Rest> |
| static void Dealloc(T* t, Rest... rs) { |
| Dealloc(t); |
| Dealloc(rs...); |
| } |
| static void DeallocParams(jvmtiParamInfo* params, jint n_params) { |
| for (jint i = 0; i < n_params; i++) { |
| Dealloc(params[i].name); |
| } |
| } |
| |
| RawMonitorEnterNoSuspend GetNoSuspendFunction(JNIEnv* env) { |
| // Get the extensions. |
| jint n_ext = 0; |
| jvmtiExtensionFunctionInfo* infos = nullptr; |
| if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetExtensionFunctions(&n_ext, &infos))) { |
| return nullptr; |
| } |
| RawMonitorEnterNoSuspend result = nullptr; |
| for (jint i = 0; i < n_ext; i++) { |
| jvmtiExtensionFunctionInfo* cur_info = &infos[i]; |
| if (strcmp("com.android.art.concurrent.raw_monitor_enter_no_suspend", cur_info->id) == 0) { |
| result = reinterpret_cast<RawMonitorEnterNoSuspend>(cur_info->func); |
| } |
| // Cleanup the cur_info |
| DeallocParams(cur_info->params, cur_info->param_count); |
| Dealloc(cur_info->id, cur_info->short_description, cur_info->params, cur_info->errors); |
| } |
| // Cleanup the array. |
| Dealloc(infos); |
| return result; |
| } |
| |
| static std::atomic<bool> started(false); |
| static std::atomic<bool> resumed(false); |
| static std::atomic<bool> progress(false); |
| |
| extern "C" JNIEXPORT void JNICALL Java_art_Test1951_otherThreadStart(JNIEnv* env, jclass) { |
| jrawMonitorID mon; |
| if (JvmtiErrorToException(env, jvmti_env, jvmti_env->CreateRawMonitor("test 1951", &mon))) { |
| return; |
| } |
| RawMonitorEnterNoSuspend enter_func = GetNoSuspendFunction(env); |
| if (enter_func == nullptr) { |
| return; |
| } |
| started = true; |
| while (!resumed) {} |
| jvmtiError err = enter_func(jvmti_env, mon); |
| CHECK_EQ(err, JVMTI_ERROR_NONE); |
| progress = true; |
| err = jvmti_env->RawMonitorExit(mon); |
| CHECK_EQ(err, JVMTI_ERROR_NONE); |
| } |
| |
| extern "C" JNIEXPORT void JNICALL Java_art_Test1951_waitForStart(JNIEnv*, jclass) { |
| while (!started) {} |
| } |
| |
| extern "C" JNIEXPORT void JNICALL Java_art_Test1951_otherThreadResume(JNIEnv*, jclass) { |
| resumed = true; |
| } |
| |
| extern "C" JNIEXPORT jboolean JNICALL Java_art_Test1951_otherThreadProgressed(JNIEnv*, jclass) { |
| return progress; |
| } |
| |
| } // namespace Test1951MonitorEnterNoSuspend |
| } // namespace art |