| // Copyright 2009 The Go Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style | 
 | // license that can be found in the LICENSE file. | 
 |  | 
 | package syscall | 
 |  | 
 | func Getpagesize() int { return 4096 } | 
 |  | 
 | func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } | 
 |  | 
 | func NsecToTimespec(nsec int64) (ts Timespec) { | 
 | 	ts.Sec = nsec / 1e9 | 
 | 	ts.Nsec = nsec % 1e9 | 
 | 	return | 
 | } | 
 |  | 
 | func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } | 
 |  | 
 | func NsecToTimeval(nsec int64) (tv Timeval) { | 
 | 	nsec += 999 // round up to microsecond | 
 | 	tv.Usec = nsec % 1e9 / 1e3 | 
 | 	tv.Sec = int64(nsec / 1e9) | 
 | 	return | 
 | } | 
 |  | 
 | func (iov *Iovec) SetLen(length int) { | 
 | 	iov.Len = uint64(length) | 
 | } | 
 |  | 
 | func (cmsg *Cmsghdr) SetLen(length int) { | 
 | 	cmsg.Len = uint32(length) | 
 | } | 
 |  | 
 | func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { | 
 | 	// TODO(aram): implement this, see issue 5847. | 
 | 	panic("unimplemented") | 
 | } |