145 lines
4.4 KiB
C++
145 lines
4.4 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 <pthread.h>
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#include <cstdio>
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#include <iostream>
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#include <vector>
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#include "android-base/logging.h"
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#include "jni.h"
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#include "jvmti.h"
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#include "scoped_local_ref.h"
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#include "scoped_primitive_array.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 Test1922OwnedMonitors {
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static bool doMonitorEnter(JNIEnv* env, jobject target) {
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return env->MonitorEnter(target) != 0;
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}
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static bool doMonitorExit(JNIEnv* env, jobject target) {
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return env->MonitorExit(target) != 0;
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}
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static bool doCallRunnable(JNIEnv* env, jobject next) {
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ScopedLocalRef<jclass> run_class(env, env->FindClass("java/lang/Runnable"));
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if (run_class.get() == nullptr) {
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return true;
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}
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jmethodID run = env->GetMethodID(run_class.get(), "run", "()V");
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if (env->ExceptionCheck()) {
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return true;
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}
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env->CallVoidMethod(next, run);
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return env->ExceptionCheck();
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1922_00024Target_lockThisNative(
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JNIEnv* env, jobject thiz, jobject next) {
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if (doMonitorEnter(env, thiz)) {
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return;
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}
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if (doCallRunnable(env, next)) {
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return;
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}
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if (doMonitorExit(env, thiz)) {
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return;
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}
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1922_00024Target_lockNative(
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JNIEnv* env, jobject thiz ATTRIBUTE_UNUSED, jobject mon, jobject next) {
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if (doMonitorEnter(env, mon)) {
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return;
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}
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if (doCallRunnable(env, next)) {
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return;
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}
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if (doMonitorExit(env, mon)) {
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return;
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}
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}
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extern "C" JNIEXPORT void JNICALL Java_art_Test1922_setupTest(JNIEnv* env, jclass) {
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jvmtiCapabilities caps;
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memset(&caps, 0, sizeof(caps));
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caps.can_get_owned_monitor_info = 1;
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caps.can_get_owned_monitor_stack_depth_info = 1;
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JvmtiErrorToException(env, jvmti_env, jvmti_env->AddCapabilities(&caps));
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}
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extern "C" JNIEXPORT jobjectArray JNICALL Java_art_Test1922_getOwnedMonitorStackDepthInfo(
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JNIEnv* env, jclass, jthread thread) {
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jint len = 0;
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jvmtiMonitorStackDepthInfo* monitors = nullptr;
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if (JvmtiErrorToException(
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env, jvmti_env, jvmti_env->GetOwnedMonitorStackDepthInfo(thread, &len, &monitors))) {
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return nullptr;
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}
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ScopedLocalRef<jclass> ret_class(env, env->FindClass("art/Test1922$MonitorStackDepthInfo"));
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if (ret_class.get() == nullptr) {
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// CNFE should be pending.
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return nullptr;
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}
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jmethodID constructor = env->GetMethodID(ret_class.get(), "<init>", "(ILjava/lang/Object;)V");
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if (env->ExceptionCheck()) {
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return nullptr;
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}
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return CreateObjectArray(env, len, "art/Test1922$MonitorStackDepthInfo",
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[&](jint i) {
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return env->NewObject(ret_class.get(),
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constructor,
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monitors[i].stack_depth,
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monitors[i].monitor);
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});
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}
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extern "C" JNIEXPORT jobjectArray JNICALL Java_art_Test1922_getOwnedMonitors(JNIEnv* env,
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jclass,
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jthread thread) {
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jint len = 0;
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jobject* arr = nullptr;
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if (JvmtiErrorToException(env, jvmti_env, jvmti_env->GetOwnedMonitorInfo(thread, &len, &arr))) {
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return nullptr;
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}
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ScopedLocalRef<jclass> obj_class(env, env->FindClass("java/lang/Object"));
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if (obj_class.get() == nullptr) {
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// CNFE should be pending.
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return nullptr;
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}
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jobjectArray ret = env->NewObjectArray(len, obj_class.get(), nullptr);
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if (ret == nullptr) {
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return nullptr;
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}
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for (jint i = 0; i < len; i++) {
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env->SetObjectArrayElement(ret, i, arr[i]);
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if (env->ExceptionCheck()) {
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return nullptr;
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}
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}
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return ret;
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}
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} // namespace Test1922OwnedMonitors
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} // namespace art
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