| /* Copyright (C) 2011-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sys/types.h> |
| #include <sys/mman.h> |
| #include <errno.h> |
| #include <sysdep.h> |
| |
| #ifndef MMAP_PAGE_SHIFT |
| #define MMAP_PAGE_SHIFT 12 |
| #endif |
| |
| __ptr_t |
| __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset) |
| { |
| if (offset & ((1 << MMAP_PAGE_SHIFT) - 1)) |
| { |
| __set_errno (EINVAL); |
| return MAP_FAILED; |
| } |
| return (__ptr_t) INLINE_SYSCALL (mmap2, 6, addr, len, prot, flags, fd, |
| offset >> MMAP_PAGE_SHIFT); |
| } |
| |
| weak_alias (__mmap, mmap) |
