1 | /* Copyright (C) 2009-2020 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <sys/uio.h> |
19 | #include <sysdep-cancel.h> |
20 | |
21 | #ifndef __OFF_T_MATCHES_OFF64_T |
22 | |
23 | # ifdef __ASSUME_PREADV |
24 | |
25 | ssize_t |
26 | pwritev (int fd, const struct iovec *vector, int count, off_t offset) |
27 | { |
28 | return SYSCALL_CANCEL (pwritev, fd, vector, count, LO_HI_LONG (offset)); |
29 | } |
30 | # else |
31 | static ssize_t __atomic_pwritev_replacement (int, const struct iovec *, |
32 | int, off_t); |
33 | ssize_t |
34 | pwritev (int fd, const struct iovec *vector, int count, off_t offset) |
35 | { |
36 | ssize_t result = SYSCALL_CANCEL (pwritev, fd, vector, count, |
37 | LO_HI_LONG (offset)); |
38 | if (result >= 0 || errno != ENOSYS) |
39 | return result; |
40 | return __atomic_pwritev_replacement (fd, vector, count, offset); |
41 | } |
42 | # define PWRITEV static __atomic_pwritev_replacement |
43 | # define PWRITE __pwrite |
44 | # define OFF_T off_t |
45 | # include <sysdeps/posix/pwritev_common.c> |
46 | # endif /* __ASSUME_PREADV */ |
47 | |
48 | libc_hidden_def (pwritev) |
49 | #endif |
50 | |