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/* -*- c++ -*- */
/*
* Copyright 2008 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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 3, or (at your option)
* any later version.
*
* GNU Radio 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <gcell/gc_aligned_alloc.h>
#include <stdlib.h>
#include <stdexcept>
#include <string.h>
// custom deleter of anything that can be freed with "free"
class free_deleter {
public:
void operator()(void *p) {
free(p);
}
};
void *
gc_aligned_alloc(size_t size, size_t alignment)
{
void *p = 0;
if (posix_memalign(&p, alignment, size) != 0){
perror("posix_memalign");
throw std::runtime_error("memory");
}
memset(p, 0, size); // zero the memory
return p;
}
boost::shared_ptr<void>
gc_aligned_alloc_sptr(size_t size, size_t alignment)
{
return boost::shared_ptr<void>(gc_aligned_alloc(size, alignment),
free_deleter());
}
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