File: df.c

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/*
 * 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 <jni.h>
#include <malloc.h>
#include <cutils/log.h>

#if defined(LOG_TAG)
#undef LOG_TAG
#define LOG_TAG "MOARRAM"
#endif

void
Java_com_android_benchmark_moarram_MainActivity_forceDoubleFreeNative(
    JNIEnv*  env,
    jobject  this)
{
    char *ptr = (char *) malloc(4);
    *ptr = 0;
    ALOGW("About to double free %p", ptr);
    free(ptr);
    free(ptr);
}