|  | // 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 = int64(nsec / 1e9) | 
|  | ts.Nsec = int64(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 = int32(nsec % 1e9 / 1e3) | 
|  | tv.Sec = int64(nsec / 1e9) | 
|  | return | 
|  | } | 
|  |  | 
|  | func SetKevent(k *Kevent_t, fd, mode, flags int) { | 
|  | k.Ident = uint64(fd) | 
|  | k.Filter = uint32(mode) | 
|  | k.Flags = uint32(flags) | 
|  | } | 
|  |  | 
|  | func (iov *Iovec) SetLen(length int) { | 
|  | iov.Len = uint64(length) | 
|  | } | 
|  |  | 
|  | func (msghdr *Msghdr) SetControllen(length int) { | 
|  | msghdr.Controllen = uint32(length) | 
|  | } | 
|  |  | 
|  | func (cmsg *Cmsghdr) SetLen(length int) { | 
|  | cmsg.Len = uint32(length) | 
|  | } |