mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 15:30:07 +00:00
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/* Copyright (C) 2009-2017 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>
|
|
|
|
#ifndef __OFF_T_MATCHES_OFF64_T
|
|
|
|
# ifdef __ASSUME_PREADV
|
|
|
|
# ifndef __NR_pwritev
|
|
# define __NR_pwritev __NR_pwritev64
|
|
# endif
|
|
|
|
ssize_t
|
|
pwritev (int fd, const struct iovec *vector, int count, off_t offset)
|
|
{
|
|
return SYSCALL_CANCEL (pwritev, fd, vector, count, LO_HI_LONG (offset));
|
|
}
|
|
# else
|
|
static ssize_t __atomic_pwritev_replacement (int, const struct iovec *,
|
|
int, off_t);
|
|
ssize_t
|
|
pwritev (int fd, const struct iovec *vector, int count, off_t offset)
|
|
{
|
|
# ifdef __NR_pwritev
|
|
ssize_t result = SYSCALL_CANCEL (pwritev, fd, vector, count,
|
|
LO_HI_LONG (offset));
|
|
if (result >= 0 || errno != ENOSYS)
|
|
return result;
|
|
# endif
|
|
return __atomic_pwritev_replacement (fd, vector, count, offset);
|
|
}
|
|
# define PWRITEV static __atomic_pwritev_replacement
|
|
# define PWRITE __pwrite
|
|
# define OFF_T off_t
|
|
# include <sysdeps/posix/pwritev_common.c>
|
|
# endif /* __ASSUME_PREADV */
|
|
|
|
libc_hidden_def (pwritev)
|
|
#endif
|