net: don't use splice for unix{packet,gram} connections

As pointed out in the aftermath of CL 113997, splice is not supported
for SOCK_SEQPACKET or SOCK_DGRAM unix sockets. Don't call poll.Splice
in those cases.

Change-Id: Ieab18fb0ae706fdeb249e3f54d51a3292e3ead62
Reviewed-on: https://go-review.googlesource.com/136635
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2 files changed
tree: 9f7723c4d06164b7b68aa7a48be4d3180b75fdc2
  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
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