diff options
Diffstat (limited to 'src/syscall/timestruct.go')
-rw-r--r-- | src/syscall/timestruct.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/syscall/timestruct.go b/src/syscall/timestruct.go new file mode 100644 index 0000000..8a03171 --- /dev/null +++ b/src/syscall/timestruct.go @@ -0,0 +1,36 @@ +// Copyright 2016 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. + +//go:build unix || (js && wasm) + +package syscall + +// TimespecToNSec returns the time stored in ts as nanoseconds. +func TimespecToNsec(ts Timespec) int64 { return ts.Nano() } + +// NsecToTimespec converts a number of nanoseconds into a Timespec. +func NsecToTimespec(nsec int64) Timespec { + sec := nsec / 1e9 + nsec = nsec % 1e9 + if nsec < 0 { + nsec += 1e9 + sec-- + } + return setTimespec(sec, nsec) +} + +// TimevalToNsec returns the time stored in tv as nanoseconds. +func TimevalToNsec(tv Timeval) int64 { return tv.Nano() } + +// NsecToTimeval converts a number of nanoseconds into a Timeval. +func NsecToTimeval(nsec int64) Timeval { + nsec += 999 // round up to microsecond + usec := nsec % 1e9 / 1e3 + sec := nsec / 1e9 + if usec < 0 { + usec += 1e6 + sec-- + } + return setTimeval(sec, usec) +} |