зеркало из https://github.com/mozilla/gecko-dev.git
144 строки
3.4 KiB
C++
144 строки
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef _MEMORY_H_
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#define _MEMORY_H_
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#include "Fundamentals.h"
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////////////////////////////////////////////////////////////////////////////////
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#include <stdlib.h>
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class MallocMemoryOps {
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public:
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static void* alloc(Uint32 size) {
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return ::calloc(1, size);
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}
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static void free(void* p) {
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::free(p);
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}
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};
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////////////////////////////////////////////////////////////////////////////////
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#if 0
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#include "Pool.h"
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class PoolMemoryOps {
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public:
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PoolMemoryOps(Pool &pool) : pool(pool) {}
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static void* alloc(Uint32 size) {
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return pool.allocate(size);
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}
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static void free(void* p) {
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// no-op for pools
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}
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protected:
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Pool &pool;
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};
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////////////////////////////////////////////////////////////////////////////////
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#include "plarena.h"
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class ArenaMemoryOps {
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public:
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ArenaMemoryOps(PLArena &arena) : arena(arena) {}
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static void* alloc(Uint32 size) {
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void* p;
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PL_ARENA_ALLOCATE(p, &arena, size);
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return p;
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}
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static void free(void* p) {
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// no-op for arenas
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}
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protected:
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PLArena &arena;
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};
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#endif // 0
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////////////////////////////////////////////////////////////////////////////////
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#include "smobj.h"
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class SMMallocMemoryOps {
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public:
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static void* alloc(Uint32 size) {
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return SM_Malloc(size);
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}
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static void free(void* p) {
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SM_Free(p);
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}
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};
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////////////////////////////////////////////////////////////////////////////////
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class GCObjectArrayMemoryOps {
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public:
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static void* alloc(Uint32 size) {
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return SM_AllocArray(&objectArrayClass, size / sizeof(void*));
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}
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static void free(void* p) {
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// no-op for gc
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}
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static void init() {
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SM_InitObjectClass(&genericObjectClass, NULL, sizeof(SMObjectClass),
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0, 0, 0);
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SM_InitArrayClass(&objectArrayClass, NULL, (SMClass*)&genericObjectClass);
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}
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protected:
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static SMObjectClass genericObjectClass;
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static SMArrayClass objectArrayClass;
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};
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////////////////////////////////////////////////////////////////////////////////
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class GCByteArrayMemoryOps {
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public:
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static void* alloc(Uint32 size) {
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return SM_AllocArray(&byteArrayClass, size);
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}
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static void free(void* p) {
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// no-op for gc
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}
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static void init() {
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SM_InitPrimClass(&byteClass, NULL, SMClassKind_ByteClass);
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SM_InitArrayClass(&byteArrayClass, NULL, (SMClass*)&byteClass);
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}
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protected:
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static SMPrimClass byteClass;
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static SMArrayClass byteArrayClass;
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};
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////////////////////////////////////////////////////////////////////////////////
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#endif // _MEMORY_H_
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