/*
* 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 <pthread.h>
#include <cstdio>
#include <iostream>
#include <mutex>
#include <vector>
#include "android-base/logging.h"
#include "jni.h"
#include "jvmti.h"
#include "scoped_local_ref.h"
#include "scoped_utf_chars.h"
// Test infrastructure
#include "jvmti_helper.h"
#include "test_env.h"
namespace art {
namespace Test905ObjectFree {
// The ObjectFree functions aren't required to be called on any particular thread so use these
// mutexs to control access to the collected_tags lists.
std::mutex ct1_mutex;
static std::vector<jlong> collected_tags1;
std::mutex ct2_mutex;
static std::vector<jlong> collected_tags2;
jvmtiEnv* jvmti_env2;
static void JNICALL ObjectFree1(jvmtiEnv* ti_env, jlong tag) {
std::lock_guard<std::mutex> mu(ct1_mutex);
CHECK_EQ(ti_env, jvmti_env);
collected_tags1.push_back(tag);
}
static void JNICALL ObjectFree2(jvmtiEnv* ti_env, jlong tag) {
std::lock_guard<std::mutex> mu(ct2_mutex);
CHECK_EQ(ti_env, jvmti_env2);
collected_tags2.push_back(tag);
}
static void setupObjectFreeCallback(JNIEnv* env, jvmtiEnv* jenv, jvmtiEventObjectFree callback) {
jvmtiEventCallbacks callbacks;
memset(&callbacks, 0 , sizeof (jvmtiEventCallbacks));
callbacks.ObjectFree = callback;
jvmtiError ret = jenv->SetEventCallbacks(&callbacks, sizeof (callbacks));
JvmtiErrorToException(env, jenv, ret);
}
extern "C" JNIEXPORT void JNICALL Java_art_Test905_setupObjectFreeCallback(
JNIEnv* env, [[maybe_unused]] jclass klass) {
setupObjectFreeCallback(env, jvmti_env, ObjectFree1);
JavaVM* jvm = nullptr;
env->GetJavaVM(&jvm);
CHECK_EQ(jvm->GetEnv(reinterpret_cast <void **>(&jvmti_env2), JVMTI_VERSION_1_2), 0 );
SetStandardCapabilities(jvmti_env2);
setupObjectFreeCallback(env, jvmti_env2, ObjectFree2);
}
extern "C" JNIEXPORT void JNICALL Java_art_Test905_enableFreeTracking(
JNIEnv* env, [[maybe_unused]] jclass klass, jboolean enable) {
jvmtiError ret = jvmti_env->SetEventNotificationMode(
enable ? JVMTI_ENABLE : JVMTI_DISABLE,
JVMTI_EVENT_OBJECT_FREE,
nullptr);
if (JvmtiErrorToException(env, jvmti_env, ret)) {
return ;
}
ret = jvmti_env2->SetEventNotificationMode(
enable ? JVMTI_ENABLE : JVMTI_DISABLE,
JVMTI_EVENT_OBJECT_FREE,
nullptr);
JvmtiErrorToException(env, jvmti_env, ret);
}
extern "C" JNIEXPORT jlongArray JNICALL Java_art_Test905_getCollectedTags(
JNIEnv* env, [[maybe_unused]] jclass klass, jint index) {
std::lock_guard<std::mutex> mu((index == 0 ) ? ct1_mutex : ct2_mutex);
std::vector<jlong>& tags = (index == 0 ) ? collected_tags1 : collected_tags2;
jlongArray ret = env->NewLongArray(tags.size());
if (ret == nullptr) {
return ret;
}
env->SetLongArrayRegion(ret, 0 , tags.size(), tags.data());
tags.clear();
return ret;
}
extern "C" JNIEXPORT jlong JNICALL Java_art_Test905_getTag2(
JNIEnv* env, [[maybe_unused]] jclass klass, jobject obj) {
jlong tag;
jvmtiError ret = jvmti_env2->GetTag(obj, &tag);
JvmtiErrorToException(env, jvmti_env, ret);
return tag;
}
extern "C" JNIEXPORT void JNICALL Java_art_Test905_setTag2(
JNIEnv* env, [[maybe_unused]] jclass klass, jobject obj, jlong tag) {
jvmtiError ret = jvmti_env2->SetTag(obj, tag);
JvmtiErrorToException(env, jvmti_env, ret);
}
} // namespace Test905ObjectFree
} // namespace art
Messung V0.5 in Prozent C=81 H=89 G=84
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-29)
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