x/sys: Missing TIME_OOP and friends

[wbl]

What version of Go are you using (go version)?

$ go version
go version go1.13.6 linux/amd64

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

Linux

go env Output

$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/watsonladd/.cache/go-build"
GOENV="/home/watsonladd/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/watsonladd/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/cfsetup_build/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build211195283=/tmp/go-build -gno-record-gcc-switches"

What did you do?

Tried to interpret the return value of Adjtimex

What did you expect to see?

The constants from http://man7.org/linux/man-pages/man2/adjtimex.2.html defined in the package.

What did you see instead?

The constants are not defined

[dmitshur]

/cc @ianlancetaylor @bradfitz @tklauser per owners.

[ianlancetaylor]

Patches welcome.

[gopherbot]

Change https://golang.org/cl/219697 mentions this issue: unix: add adjtimex return constants