gecko-dev/memory/build/fallback.cpp

49 строки
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozmemory.h"
#include "mozjemalloc.h"
#include <stdlib.h>
#ifndef HAVE_MEMALIGN
namespace {
inline void* memalign(size_t aAlignment, size_t aSize)
{
#ifdef XP_WIN
return _aligned_malloc(aSize, aAlignment);
#else
void* ret;
if (posix_memalign(&ret, aAlignment, aSize) != 0) {
return nullptr;
}
return ret;
#endif
}
}
#endif
struct SystemMalloc {
#define MALLOC_DECL(name, return_type, ...) \
static inline return_type \
name(ARGS_HELPER(TYPED_ARGS, ##__VA_ARGS__)) \
{ \
return ::name(ARGS_HELPER(ARGS, ##__VA_ARGS__)); \
}
#define MALLOC_FUNCS MALLOC_FUNCS_MALLOC_BASE
#include "malloc_decls.h"
};
#define MALLOC_DECL(name, return_type, ...) \
MOZ_JEMALLOC_API return_type \
name(ARGS_HELPER(TYPED_ARGS, ##__VA_ARGS__)) \
{ \
return DummyArenaAllocator<SystemMalloc>::name(ARGS_HELPER(ARGS, ##__VA_ARGS__)); \
}
#define MALLOC_FUNCS MALLOC_FUNCS_ARENA
#include "malloc_decls.h"