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x/sys/unix: add support for timerfd syscalls on Linux #38733

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itwaseasy opened this issue Apr 28, 2020 · 2 comments
Closed

x/sys/unix: add support for timerfd syscalls on Linux #38733

itwaseasy opened this issue Apr 28, 2020 · 2 comments
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FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
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Unreleased

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

go version go1.14.2 linux/amd64

Does this issue reproduce with the latest release?

Yes.

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

go env Output
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/pugachev/.cache/go-build"
GOENV="/home/pugachev/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/pugachev/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/snap/go/5646"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/snap/go/5646/pkg/tool/linux_amd64"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/home/pugachev/work/golang_xsys/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-build463295103=/tmp/go-build -gno-record-gcc-switches"

What did you do?

The project I'm working on uses epoll for low-level network code. And lack of timerfd support in x/sys/unix is a problem for me because I have to invent various workarounds for timers.

I'd like to submit a patch for this, if nobody objects.

What did you expect to see?

Support for timerfd in x/sys/unix package.

What did you see instead?

No support at the moment.
@gopherbot gopherbot added this to the Unreleased milestone Apr 28, 2020
@tklauser tklauser changed the title x/sys: add support for timerfd syscalls on Linux x/sys/unix: add support for timerfd syscalls on Linux Apr 28, 2020
@tklauser tklauser added the NeedsFix The path to resolution is known, but the work has not been done. label Apr 28, 2020
@tklauser
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I'd like to submit a patch for this, if nobody objects.

Please feel free to send a CL.

Quoting @ianlancetaylor from https://groups.google.com/d/msg/golang-dev/A2QnYWHoAao/uCNaGGLiBAAJ:

That said, x/sys is all about unportable features. If someone wants
to add the timerfd system calls, I think that would be OK. I agree
that they would be hard to use in a Go program, but the same is true
of other functions already in x/sys.

@gopherbot
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Change https://golang.org/cl/230798 mentions this issue: unix: add support for timerfd syscalls on Linux

@WGH- WGH- mentioned this issue May 12, 2020
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@golang golang locked and limited conversation to collaborators Apr 30, 2021
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@tklauser @gopherbot @itwaseasy