| 1 | /* Copyright (C) 2003-2024 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | #include <errno.h> |
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| 19 | #include <fcntl.h> |
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| 20 | #include <sysdep.h> |
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| 21 | |
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| 22 | int __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise); |
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| 23 | int __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise); |
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| 24 | |
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| 25 | /* Advice the system about the expected behaviour of the application with |
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| 26 | respect to the file associated with FD. */ |
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| 27 | |
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| 28 | struct fadvise64_64_layout |
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| 29 | { |
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| 30 | int fd; |
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| 31 | off64_t offset; |
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| 32 | off64_t len; |
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| 33 | int advise; |
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| 34 | }; |
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| 35 | |
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| 36 | int |
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| 37 | __posix_fadvise64_l64 (int fd, off64_t offset, off64_t len, int advise) |
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| 38 | { |
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| 39 | struct fadvise64_64_layout parameters; |
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| 40 | |
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| 41 | parameters.fd = fd; |
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| 42 | parameters.offset = offset; |
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| 43 | parameters.len = len; |
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| 44 | parameters.advise = advise; |
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| 45 | int ret = INTERNAL_SYSCALL_CALL (fadvise64_64, ¶meters); |
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| 46 | if (!INTERNAL_SYSCALL_ERROR_P (ret)) |
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| 47 | return 0; |
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| 48 | return INTERNAL_SYSCALL_ERRNO (ret); |
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| 49 | } |
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| 50 | |
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| 51 | #include <shlib-compat.h> |
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| 52 | |
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| 53 | #if SHLIB_COMPAT(libc, GLIBC_2_2, GLIBC_2_3_3) |
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| 54 | |
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| 55 | int |
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| 56 | attribute_compat_text_section |
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| 57 | __posix_fadvise64_l32 (int fd, off64_t offset, size_t len, int advise) |
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| 58 | { |
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| 59 | return __posix_fadvise64_l64 (fd, offset, len, advise); |
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| 60 | } |
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| 61 | |
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| 62 | versioned_symbol (libc, __posix_fadvise64_l64, posix_fadvise64, GLIBC_2_3_3); |
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| 63 | compat_symbol (libc, __posix_fadvise64_l32, posix_fadvise64, GLIBC_2_2); |
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| 64 | #else |
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| 65 | strong_alias (__posix_fadvise64_l64, posix_fadvise64); |
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| 66 | #endif |
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| 67 | |
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