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Keith Randall 42257a262c runtime: in semasleep, subtract time spent so far from timeout 
When pthread_cond_timedwait_relative_np gets a spurious wakeup
(due to a signal, typically), we used to retry with the same
relative timeout. That's incorrect, we should lower the timeout
by the time we've spent in this function so far.

In the worst case, signals come in and cause spurious wakeups
faster than the timeout, causing semasleep to never time out.

Also fix nacl and netbsd while we're here. They have similar issues.

Fixes #27520

Change-Id: I6601e120e44a4b8ef436eef75a1e7c8cf1d39e39
Reviewed-on: https://go-review.googlesource.com/133655
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2018-09-07 15:43:45 +00:00
.github .github: use HTTPS for Stack Overflow link in SUPPORT.md 2018-06-12 11:08:14 +00:00
api syscall: implement Unix Socket for Windows 2018-08-28 09:26:45 +00:00
doc doc: add GOMIPS64 to source installation docs 2018-09-05 10:04:57 +00:00
lib/time
misc misc/cgo/testplugin: disable DWARF tests on darwin 2018-09-05 11:27:37 +00:00
src runtime: in semasleep, subtract time spent so far from timeout 2018-09-07 15:43:45 +00:00
test cmd/compile: implement non-constant rotates using ROR on arm64 2018-09-07 14:52:02 +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.

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