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-rw-r--r--vendor/golang.org/x/sys/unix/timestruct.go77
1 files changed, 77 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/timestruct.go b/vendor/golang.org/x/sys/unix/timestruct.go
new file mode 100644
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--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/timestruct.go
@@ -0,0 +1,77 @@
+// Copyright 2017 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 aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
+
+package unix
+
+import "time"
+
+// 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)
+}
+
+// TimeToTimespec converts t into a Timespec.
+// On some 32-bit systems the range of valid Timespec values are smaller
+// than that of time.Time values. So if t is out of the valid range of
+// Timespec, it returns a zero Timespec and ERANGE.
+func TimeToTimespec(t time.Time) (Timespec, error) {
+ sec := t.Unix()
+ nsec := int64(t.Nanosecond())
+ ts := setTimespec(sec, nsec)
+
+ // Currently all targets have either int32 or int64 for Timespec.Sec.
+ // If there were a new target with floating point type for it, we have
+ // to consider the rounding error.
+ if int64(ts.Sec) != sec {
+ return Timespec{}, ERANGE
+ }
+ return ts, nil
+}
+
+// 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)
+}
+
+// Unix returns the time stored in ts as seconds plus nanoseconds.
+func (ts *Timespec) Unix() (sec int64, nsec int64) {
+ return int64(ts.Sec), int64(ts.Nsec)
+}
+
+// Unix returns the time stored in tv as seconds plus nanoseconds.
+func (tv *Timeval) Unix() (sec int64, nsec int64) {
+ return int64(tv.Sec), int64(tv.Usec) * 1000
+}
+
+// Nano returns the time stored in ts as nanoseconds.
+func (ts *Timespec) Nano() int64 {
+ return int64(ts.Sec)*1e9 + int64(ts.Nsec)
+}
+
+// Nano returns the time stored in tv as nanoseconds.
+func (tv *Timeval) Nano() int64 {
+ return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
+}