1 // Copyright 2013 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 = int64(nsec / 1e9) 13 ts.Nsec = int32(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 = int32(nsec % 1e9 / 1e3) 22 tv.Sec = int64(nsec / 1e9) 23 return 24 } 25 26 func SetKevent(k *Kevent_t, fd, mode, flags int) { 27 k.Ident = uint32(fd) 28 k.Filter = uint32(mode) 29 k.Flags = uint32(flags) 30 } 31 32 func (iov *Iovec) SetLen(length int) { 33 iov.Len = uint32(length) 34 } 35 36 func (msghdr *Msghdr) SetControllen(length int) { 37 msghdr.Controllen = uint32(length) 38 } 39 40 func (cmsg *Cmsghdr) SetLen(length int) { 41 cmsg.Len = uint32(length) 42 } 43
