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1 /*
2 (c) 2014 Glen Joseph Fernandes
3 <glenjofe -at- gmail.com>
4
5 Distributed under the Boost Software
6 License, Version 1.0.
7 http://boost.org/LICENSE_1_0.txt
8 */
9 #ifndef BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_POSIX_HPP
10 #define BOOST_ALIGN_DETAIL_ALIGNED_ALLOC_POSIX_HPP
11
12 #include <boost/align/detail/is_alignment.hpp>
13 #include <boost/assert.hpp>
14 #include <stdlib.h>
15
16 namespace boost {
17 namespace alignment {
18
19 inline void* aligned_alloc(std::size_t alignment, std::size_t size)
20 BOOST_NOEXCEPT
21 {
22 BOOST_ASSERT(detail::is_alignment(alignment));
23 if (alignment < sizeof(void*)) {
24 alignment = sizeof(void*);
25 }
26 void* p;
27 if (::posix_memalign(&p, alignment, size) != 0) {
28 p = 0;
29 }
30 return p;
31 }
32
33 inline void aligned_free(void* ptr) BOOST_NOEXCEPT
34 {
35 ::free(ptr);
36 }
37
38 } /* .alignment */
39 } /* .boost */
40
41 #endif