unix: fix Setfsuid and Setfsgid return values

setfsuid(2) and setfsgid(2) both return an int value that indicates the
previous fsuid or fsgid set. This change makes unix.Setfsgid() and
unix.Setfsuid() return these values too instead of returning only an
error.

Fixes golang/go#36649

Change-Id: I56cbb49d7485023b6b04f7b95e8f675473241d8c
Reviewed-on: https://go-review.googlesource.com/c/sys/+/215240
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
23 files changed
tree: c6150a13f8078029e446ed2b3c99fac9df49d73b
  1. cpu/
  2. plan9/
  3. unix/
  4. windows/
  5. .gitattributes
  6. .gitignore
  7. AUTHORS
  8. codereview.cfg
  9. CONTRIBUTING.md
  10. CONTRIBUTORS
  11. go.mod
  12. LICENSE
  13. PATENTS
  14. README.md
README.md

sys

This repository holds supplemental Go packages for low-level interactions with the operating system.

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The easiest way to install is to run go get -u golang.org/x/sys. You can also manually git clone the repository to $GOPATH/src/golang.org/x/sys.

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This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the sys repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/sys:” in the subject line, so it is easy to find.