1 // Copyright 2009 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 package syscall 6 7 func Getpagesize() int { return 4096 } 8 9 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 10 11 func NsecToTimespec(nsec int64) (ts Timespec) { 12 ts.Sec = nsec / 1e9 13 ts.Nsec = nsec % 1e9 14 return 15 } 16 17 func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } 18 19 func NsecToTimeval(nsec int64) (tv Timeval) { 20 nsec += 999 // round up to microsecond 21 tv.Usec = nsec % 1e9 / 1e3 22 tv.Sec = int64(nsec / 1e9) 23 return 24 } 25 26 func (iov *Iovec) SetLen(length int) { 27 iov.Len = uint64(length) 28 } 29 30 func (cmsg *Cmsghdr) SetLen(length int) { 31 cmsg.Len = uint32(length) 32 } 33