| 1 | /* Advise system about intentions for a memory region. Stub version. |
|---|
| 2 | Copyright (C) 1994-2022 Free Software Foundation, Inc. |
|---|
| 3 | This file is part of the GNU C Library. |
|---|
| 4 | |
|---|
| 5 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 6 | modify it under the terms of the GNU Lesser General Public |
|---|
| 7 | License as published by the Free Software Foundation; either |
|---|
| 8 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 9 | |
|---|
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 13 | Lesser General Public License for more details. |
|---|
| 14 | |
|---|
| 15 | You should have received a copy of the GNU Lesser General Public |
|---|
| 16 | License along with the GNU C Library; if not, see |
|---|
| 17 | <https://www.gnu.org/licenses/>. */ |
|---|
| 18 | |
|---|
| 19 | #include <sys/types.h> |
|---|
| 20 | #include <sys/mman.h> |
|---|
| 21 | #include <errno.h> |
|---|
| 22 | |
|---|
| 23 | /* Advise the system about particular usage patterns the program follows |
|---|
| 24 | for the region starting at ADDR and extending LEN bytes. */ |
|---|
| 25 | |
|---|
| 26 | int |
|---|
| 27 | __madvise (void *addr, size_t len, int advice) |
|---|
| 28 | { |
|---|
| 29 | __set_errno (ENOSYS); |
|---|
| 30 | return -1; |
|---|
| 31 | } |
|---|
| 32 | libc_hidden_def (__madvise) |
|---|
| 33 | weak_alias (__madvise, madvise) |
|---|
| 34 | |
|---|
| 35 | stub_warning (madvise) |
|---|
| 36 | |
|---|
