projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| daa3fc9b | 1 | /* Synchronize I/O in given file descriptor. |
| dff8da6b | 2 | Copyright (C) 1997-2024 Free Software Foundation, Inc. |
| 478b92f0 UD |
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 | |
| 41bdb6e2 AJ |
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. | |
| 478b92f0 UD |
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 | |
| 41bdb6e2 | 13 | Lesser General Public License for more details. |
| 478b92f0 | 14 | |
| 41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 28f540f4 | 18 | |
| 28f540f4 | 19 | |
| b6ab06ce UD |
20 | /* We use an UGLY hack to prevent gcc from finding us cheating. The |
| 21 | implementation of aio_fsync and aio_fsync64 are identical and so | |
| 22 | we want to avoid code duplication by using aliases. But gcc sees | |
| 23 | the different parameter lists and prints a warning. We define here | |
| 24 | a function so that aio_fsync64 has no prototype. */ | |
| 25 | #define aio_fsync64 XXX | |
| 26 | #include <aio.h> | |
| 27 | /* And undo the hack. */ | |
| 28 | #undef aio_fsync64 | |
| b6ab06ce UD |
29 | #include <errno.h> |
| 30 | #include <fcntl.h> | |
| 28f540f4 | 31 | |
| daa3fc9b | 32 | #include <aio_misc.h> |
| 1f3a8e71 | 33 | #include <shlib-compat.h> |
| daa3fc9b | 34 | |
| b6ab06ce | 35 | int |
| 1f3a8e71 | 36 | __aio_fsync (int op, struct aiocb *aiocbp) |
| 28f540f4 | 37 | { |
| daa3fc9b | 38 | if (op != O_DSYNC && __builtin_expect (op != O_SYNC, 0)) |
| b6ab06ce UD |
39 | { |
| 40 | __set_errno (EINVAL); | |
| 41 | return -1; | |
| 42 | } | |
| 28f540f4 | 43 | |
| daa3fc9b | 44 | /* Verify that this is an open file descriptor. */ |
| 1f3a8e71 | 45 | if (__glibc_unlikely (__fcntl (aiocbp->aio_fildes, F_GETFL) == -1)) |
| daa3fc9b FW |
46 | { |
| 47 | __set_errno (EBADF); | |
| 48 | return -1; | |
| 49 | } | |
| 50 | ||
| 51 | return (__aio_enqueue_request ((aiocb_union *) aiocbp, | |
| 52 | op == O_SYNC ? LIO_SYNC : LIO_DSYNC) == NULL | |
| 53 | ? -1 : 0); | |
| 28f540f4 RM |
54 | } |
| 55 | ||
| 1f3a8e71 FW |
56 | #if PTHREAD_IN_LIBC |
| 57 | versioned_symbol (libc, __aio_fsync, aio_fsync, GLIBC_2_34); | |
| 58 | versioned_symbol (libc, __aio_fsync, aio_fsync64, GLIBC_2_34); | |
| 59 | # if OTHER_SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_34) | |
| 60 | compat_symbol (librt, __aio_fsync, aio_fsync, GLIBC_2_1); | |
| 61 | compat_symbol (librt, __aio_fsync, aio_fsync64, GLIBC_2_1); | |
| 62 | # endif | |
| 63 | #else /* !PTHREAD_IN_LIBC */ | |
| 64 | strong_alias (__aio_fsync, aio_fsync) | |
| 65 | weak_alias (__aio_fsync, aio_fsync64) | |
| 66 | #endif /* !PTHREAD_IN_LIBC */ |