1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (c) 2018 FUJITSU LIMITED. All rights reserved. 4 * Author: Xiao Yang <yangx.jy (at) cn.fujitsu.com> 5 */ 6 7 #ifndef PREADV2_H 8 #define PREADV2_H 9 10 #include "config.h" 11 #include "lapi/syscalls.h" 12 13 #if !defined(HAVE_PREADV2) 14 15 /* LO_HI_LONG taken from glibc */ 16 # define LO_HI_LONG(val) (long) (val), (long) (((uint64_t) (val)) >> 32) 17 18 ssize_t preadv2(int fd, const struct iovec *iov, int iovcnt, off_t offset, 19 int flags) 20 { 21 return tst_syscall(__NR_preadv2, fd, iov, iovcnt, 22 LO_HI_LONG(offset), flags); 23 } 24 #endif 25 26 #endif /* PREADV2_H */ 27
