1// Copyright 2018 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5// +build linux,gccgo,arm 6 7package unix 8 9import ( 10 "syscall" 11 "unsafe" 12) 13 14func seek(fd int, offset int64, whence int) (int64, syscall.Errno) { 15 var newoffset int64 16 offsetLow := uint32(offset & 0xffffffff) 17 offsetHigh := uint32((offset >> 32) & 0xffffffff) 18 _, _, err := Syscall6(SYS__LLSEEK, uintptr(fd), uintptr(offsetHigh), uintptr(offsetLow), uintptr(unsafe.Pointer(&newoffset)), uintptr(whence), 0) 19 return newoffset, err 20} 21