x/sys/unix: linux-like implementation of ReadDirent on zOS

[davebreezePantgwyn]

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

go version go1.17.9 zos/s390x

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
GOARCH="s390x"
GOOS="zos"

What did you do?

Attempted to run the ReadDirent test cases.

What did you expect to see?

all tests should complete

What did you see instead?

ReadDirent not implemented

[davebreezePantgwyn]

ReadDirent is currently not supported on zOS. I have contacted the Go on zOS team at IBM and the required changes have been made and tested. A CR will follow shortly

[gopherbot]

Change https://go.dev/cl/424778 mentions this issue: x/sys/unix: make ReadDirent available on zOS

[rsc]

This didn't need to be a proposal. I'm happy to see it landed. Thanks for maintaining the zOS port.