xmrig/src/3rdparty/aligned_malloc.h
2017-11-06 03:11:35 +03:00

65 lines
2.1 KiB
C

/* XMRig
* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
* Copyright 2016-2017 XMRig <support@xmrig.com>
*
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ALIGNED_MALLOC_H__
#define __ALIGNED_MALLOC_H__
#include <stdlib.h>
#ifndef __cplusplus
extern int posix_memalign(void **__memptr, size_t __alignment, size_t __size);
#else
// Some systems (e.g. those with GNU libc) declare posix_memalign with an
// exception specifier. Via an "egregious workaround" in
// Sema::CheckEquivalentExceptionSpec, Clang accepts the following as a valid
// redeclaration of glibc's declaration.
extern "C" int posix_memalign(void **__memptr, size_t __alignment, size_t __size);
#endif
static __inline__ void *__attribute__((__always_inline__, __malloc__)) _mm_malloc(size_t __size, size_t __align)
{
if (__align == 1) {
return malloc(__size);
}
if (!(__align & (__align - 1)) && __align < sizeof(void *))
__align = sizeof(void *);
void *__mallocedMemory;
if (posix_memalign(&__mallocedMemory, __align, __size)) {
return 0;
}
return __mallocedMemory;
}
static __inline__ void __attribute__((__always_inline__)) _mm_free(void *__p)
{
free(__p);
}
#endif /* __ALIGNED_MALLOC_H__ */