Merge "Remove unimplemented memory pool."

/*

 * Copyright (C) 2010 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.

 */

#ifndef UTILS_POOL_H

#define UTILS_POOL_H

#include <utils/TypeHelpers.h>

namespace android {

class PoolImpl {

public:

    PoolImpl(size_t objSize);

    ~PoolImpl();

    void* allocImpl();

    void freeImpl(void* obj);

private:

    size_t mObjSize;

};

/*

 * A homogeneous typed memory pool for fixed size objects.

 * Not intended to be thread-safe.

 */

template<typename T>

class Pool : private PoolImpl {

public:

    /* Creates an initially empty pool. */

    Pool() : PoolImpl(sizeof(T)) { }

    /* Destroys the pool.

     * Assumes that the pool is empty. */

    ~Pool() { }

    /* Allocates an object from the pool, growing the pool if needed. */

    inline T* alloc() {

        void* mem = allocImpl();

        if (! traits<T>::has_trivial_ctor) {

            return new (mem) T();

        } else {

            return static_cast<T*>(mem);

        }

    }

    /* Frees an object from the pool. */

    inline void free(T* obj) {

        if (! traits<T>::has_trivial_dtor) {

            obj->~T();

        }

        freeImpl(obj);

    }

};

} // namespace android

#endif // UTILS_POOL_H

	Flattenable.cpp \

	LinearTransform.cpp \

	ObbFile.cpp \

	Pool.cpp \

	PropertyMap.cpp \

	RefBase.cpp \

	ResourceTypes.cpp \

//

// Copyright 2010 The Android Open Source Project

//

// A simple memory pool.

//

#define LOG_TAG "Pool"

//#define LOG_NDEBUG 0

#include <cutils/log.h>

#include <utils/Pool.h>

#include <stdlib.h>

namespace android {

// TODO Provide a real implementation of a pool.  This is just a stub for initial development.

PoolImpl::PoolImpl(size_t objSize) :

    mObjSize(objSize) {

}

PoolImpl::~PoolImpl() {

}

void* PoolImpl::allocImpl() {

    void* ptr = malloc(mObjSize);

    LOG_ALWAYS_FATAL_IF(ptr == NULL, "Cannot allocate new pool object.");

    return ptr;

}

void PoolImpl::freeImpl(void* obj) {

    LOG_ALWAYS_FATAL_IF(obj == NULL, "Caller attempted to free NULL pool object.");

    return free(obj);

}

} // namespace android