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/*
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_HUGE_ALLOCATOR_HXX
#define MPD_HUGE_ALLOCATOR_HXX
#include "gcc.h"
#include <stddef.h>
#ifdef __linux__
/**
* Allocate a huge amount of memory. This will be done in a way that
* allows giving the memory back to the kernel as soon as we don't
* need it anymore. On the downside, this call is expensive.
*/
gcc_malloc
void *
HugeAllocate(size_t size);
/**
* @param p an allocation returned by HugeAllocate()
* @param size the allocation's size as passed to HugeAllocate()
*/
void
HugeFree(void *p, size_t size);
/**
* Discard any data stored in the allocation and give the memory back
* to the kernel. After returning, the allocation still exists and
* can be reused at any time, but its contents are undefined.
*
* @param p an allocation returned by HugeAllocate()
* @param size the allocation's size as passed to HugeAllocate()
*/
void
HugeDiscard(void *p, size_t size);
#else
/* not Linux: fall back to standard C calls */
#include <stdlib.h>
gcc_malloc
static inline void *
HugeAllocate(size_t size)
{
return malloc(size);
}
static inline void
HugeFree(void *p, size_t)
{
free(p);
}
static inline void
HugeDiscard(void *, size_t)
{
}
#endif
#endif
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