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os: support Process.Signal(Interrupt) on Windows #46345

@insomnimus

Description

@insomnimus

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

$ go version
go version devel go1.17-cca23a7373 Sat May 22 00:51:17 2021 +0000 windows/amd64

Does this issue reproduce with the latest release?

Yes.

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

go env Output
$ go env
set GO111MODULE=
set GOARCH=amd64
set GOBIN=D:\home\.go\bin
set GOCACHE=C:\Users\insomnia\AppData\Local\go-build
set GOENV=C:\Users\insomnia\AppData\Roaming\go\env
set GOEXE=.exe
set GOFLAGS=
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOINSECURE=
set GOMODCACHE=D:\home\.go\pkg\mod
set GONOPROXY=
set GONOSUMDB=
set GOOS=windows
set GOPATH=D:\home\.go
set GOPRIVATE=
set GOPROXY=https://proxy.golang.org,direct
set GOROOT=C:\go
set GOSUMDB=sum.golang.org
set GOTMPDIR=
set GOTOOLDIR=C:\go\pkg\tool\windows_amd64
set GOVCS=
set GOVERSION=devel go1.17-cca23a7373 Sat May 22 00:51:17 2021 +0000
set GCCGO=gccgo
set AR=ar
set CC=gcc
set CXX=g++
set CGO_ENABLED=1
set GOMOD=NUL
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2
set PKG_CONFIG=pkg-config
set GOGCCFLAGS=-m64 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\insomnia\AppData\Local\Temp\go-build4037608551=/tmp/go-build -gno-record-gcc-switches

What did you do?

What did you expect to see?

os.Process.Signal(os.Interrupt) should work on windows.

What did you see instead?

In the documentation for os.Process.Signal(), it says that sending os.Interrupt is not implemented on Windows.

It's not an insignificant bit of functionality, i think it should be implemented unless there's an obvious reason to not do so.
Currently this makes it difficult to manage exec.Cmd's properly on Windows.

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    FeatureRequestIssues asking for a new feature that does not need a proposal.FrozenDueToAgeNeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.OS-Windows

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