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/* Copyright (C) 2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sys/uio.h>
#include <sysdep-cancel.h>
#ifdef __ASSUME_PWRITEV
# ifndef __NR_pwritev64
# define __NR_pwritev64 __NR_pwritev
# endif
ssize_t
pwritev64 (int fd, const struct iovec *vector, int count, off64_t offset)
{
return SYSCALL_CANCEL (pwritev64, fd, vector, count,
__ALIGNMENT_ARG SYSCALL_LL64 (offset));
}
#else
static ssize_t __atomic_pwritev64_replacement (int, const struct iovec *,
int, off64_t) internal_function;
ssize_t
pwritev64 (int fd, const struct iovec *vector, int count, off64_t offset)
{
#ifdef __NR_pwrite64v
ssize_t result = SYSCALL_CANCEL (pwritev64, fd, vector, count,
__ALIGNMENT_ARG SYSCALL_LL64 (offset));
if (result >= 0 || errno != ENOSYS)
return result;
#endif
return __atomic_pwritev64_replacement (fd, vector, count, offset);
}
# define PWRITEV static internal_function __atomic_pwritev64_replacement
# define PWRITE __pwrite64
# define OFF_T off64_t
# include <sysdeps/posix/pwritev.c>
#endif
#if __WORDSIZE == 64 && !defined (__ASSUME_OFF_DIFF_OFF64)
strong_alias (pwritev64, pwritev)
#endif
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