diff options
Diffstat (limited to 'gcell/src/lib/runtime/gc_aligned_alloc.cc')
-rw-r--r-- | gcell/src/lib/runtime/gc_aligned_alloc.cc | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/gcell/src/lib/runtime/gc_aligned_alloc.cc b/gcell/src/lib/runtime/gc_aligned_alloc.cc new file mode 100644 index 0000000000..fa20a64432 --- /dev/null +++ b/gcell/src/lib/runtime/gc_aligned_alloc.cc @@ -0,0 +1,54 @@ +/* -*- 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 <gc_aligned_alloc.h> +#include <stdlib.h> +#include <stdexcept> + +// 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()); +} |