mirror of
https://github.com/golang/go
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41 lines
991 B
Go
41 lines
991 B
Go
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syscall
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import "syscall"
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func TimespecToNsec(ts Timespec) int64 {
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return int64(ts.Sec)*1e9 + int64(ts.Nsec);
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}
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func NsecToTimespec(nsec int64) (ts Timespec) {
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ts.Sec = int32(nsec / 1e9);
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ts.Nsec = int32(nsec % 1e9);
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return;
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}
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func TimevalToNsec(tv Timeval) int64 {
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return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3;
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}
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func NsecToTimeval(nsec int64) (tv Timeval) {
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nsec += 999; // round up to microsecond
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tv.Usec = int32(nsec%1e9 / 1e3);
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tv.Sec = int32(nsec/1e9);
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return;
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}
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//sys gettimeofday(tp *Timeval) (sec int64, usec int32, errno int)
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func Gettimeofday(tv *Timeval) (errno int) {
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// The tv passed to gettimeofday must be non-nil
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// but is otherwise unused. The answers come back
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// in the two registers.
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sec, usec, err := gettimeofday(tv);
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tv.Sec = int32(sec);
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tv.Usec = int32(usec);
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return err;
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}
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