| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include <fcntl.h> |
| |
| #include "private/ErrnoRestorer.h" |
| |
| extern "C" int __arm_fadvise64_64(int, int, off64_t, off64_t); |
| extern "C" int __fadvise64(int, off64_t, off64_t, int); |
| |
| // No architecture actually has the 32-bit off_t system call. |
| int posix_fadvise(int fd, off_t offset, off_t length, int advice) { |
| return posix_fadvise64(fd, offset, length, advice); |
| } |
| |
| #if defined(__arm__) |
| int posix_fadvise64(int fd, off64_t offset, off64_t length, int advice) { |
| ErrnoRestorer errno_restorer; |
| return (__arm_fadvise64_64(fd, advice, offset, length) == 0) ? 0 : errno; |
| } |
| #else |
| int posix_fadvise64(int fd, off64_t offset, off64_t length, int advice) { |
| ErrnoRestorer errno_restorer; |
| return (__fadvise64(fd, offset, length, advice) == 0) ? 0 : errno; |
| } |
| #endif |