net: merge common Unix/Windows methods

When we added the internal/poll package, the Unix and Windows implementations
of several netFD methods became exactly the same, except for using a
different name for the string passed to wrapSyscallError.

One case is not an exact duplicate: we slightly tweak the implementation
of (*netFD).shutdown on Windows to wrap the error.

Change-Id: I3d87a317d5468ff8f1958d86f6189ea1ba697e9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/224140
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>
3 files changed
tree: adae1f55c87a40230a4ac00d8f2565d6d8ab2557
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. favicon.ico
  14. LICENSE
  15. PATENTS
  16. README.md
  17. robots.txt
  18. SECURITY.md
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