1 /* Copyright (C) 2016-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
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 <http://www.gnu.org/licenses/>. */
19 #include <sysdep-cancel.h>
21 #ifdef __ASSUME_PWRITEV
23 # ifndef __NR_pwritev64
24 # define __NR_pwritev64 __NR_pwritev
28 pwritev64 (int fd
, const struct iovec
*vector
, int count
, off64_t offset
)
30 return SYSCALL_CANCEL (pwritev64
, fd
, vector
, count
, LO_HI_LONG (offset
));
33 static ssize_t
__atomic_pwritev64_replacement (int, const struct iovec
*,
34 int, off64_t
) internal_function
;
36 pwritev64 (int fd
, const struct iovec
*vector
, int count
, off64_t offset
)
39 ssize_t result
= SYSCALL_CANCEL (pwritev64
, fd
, vector
, count
,
41 if (result
>= 0 || errno
!= ENOSYS
)
44 return __atomic_pwritev64_replacement (fd
, vector
, count
, offset
);
46 # define PWRITEV static internal_function __atomic_pwritev64_replacement
47 # define PWRITE __pwrite64
48 # define OFF_T off64_t
49 # include <sysdeps/posix/pwritev.c>
52 #ifdef __OFF_T_MATCHES_OFF64_T
53 strong_alias (pwritev64
, pwritev
)