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Ian Lance Taylor bf0f692202 net: handle spurious netpoll wakeups in connect 
In some cases the netpoll code can cause a spurious wakeup. This is
normally harmless, as the woken up code simply retries the operation.
However, for connect, the test we were using to see whether the
connect had succeeded (setsockopt(SO_ERROR)) was not reliable in the
case of a spurious wakeup.  Change to using a reliable test (getpeername).
On Darwin we used a different technique: a second call to connect;
change Darwin to use getpeername as well.

Return the result of getpeername to avoid having to call it twice.

Fixes #19289.

Change-Id: I119ec8e7a41f482f1e590d4c65a37f6103fa22d9
Reviewed-on: https://go-review.googlesource.com/45815
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2017-06-15 22:39:39 +00:00
.github doc: improve issue template and contribution guidelines 2017-02-11 20:42:06 +00:00
api api: promote next to go1.9 2017-06-14 21:07:10 +00:00
doc doc: fix typo in go1.9 release notes 2017-06-15 18:05:47 +00:00
lib/time time: vendor tzdata-2017b and update test 2017-06-07 21:23:58 +00:00
misc cmd/cgo: match note following error in compiler errors 2017-06-14 17:07:19 +00:00
src net: handle spurious netpoll wakeups in connect 2017-06-15 22:39:39 +00:00
test cmd/compile: add regress test for #20682 2017-06-15 22:01:35 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: change path to zbootstrap.go 2017-04-19 02:13:58 +00:00
AUTHORS A+C: automated update 2017-06-14 20:35:29 +00:00
CONTRIBUTING.md doc: improve issue template and contribution guidelines 2017-02-11 20:42:06 +00:00
CONTRIBUTORS A+C: automated update 2017-06-14 20:35:29 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

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To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that the Go project does not use GitHub pull requests, and that we use the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.