1 // Copyright 2014 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 type Timespec struct { 8 Sec int64 9 Nsec int32 10 } 11 12 type Timeval struct { 13 Sec int64 14 Usec int32 15 } 16 17 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } 18 19 func NsecToTimespec(nsec int64) (ts Timespec) { 20 ts.Sec = int64(nsec / 1e9) 21 ts.Nsec = int32(nsec % 1e9) 22 return 23 } 24 25 func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } 26 27 func NsecToTimeval(nsec int64) (tv Timeval) { 28 nsec += 999 // round up to microsecond 29 tv.Usec = int32(nsec % 1e9 / 1e3) 30 tv.Sec = int64(nsec / 1e9) 31 return 32 } 33
