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| // SPDX-License-Identifier: GPL-2.0-or-later
| /*
| * Copyright (c) 2018 FUJITSU LIMITED. All rights reserved.
| * Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
| */
|
| #ifndef PREADV2_H
| #define PREADV2_H
|
| #include "config.h"
| #include "lapi/syscalls.h"
|
| #if !defined(HAVE_PREADV2)
|
| /* LO_HI_LONG taken from glibc */
| # define LO_HI_LONG(val) (long) (val), (long) (((uint64_t) (val)) >> 32)
|
| ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt, off_t offset,
| int flags)
| {
| return tst_syscall(__NR_preadv2, fd, iov, iovcnt,
| LO_HI_LONG(offset), flags);
| }
| #endif
|
| #endif /* PREADV2_H */
|
|
