| Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame^] | 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 | |
| 7 | package unix |
| 8 | |
| 9 | import ( |
| 10 | "syscall" |
| 11 | "unsafe" |
| 12 | ) |
| 13 | |
| 14 | func 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 | } |