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Ian Lance Taylor 872b168fe3 runtime: if we don't handle a signal on a non-Go thread, raise it 
In the past badsignal would crash the program.  In
https://golang.org/cl/10757044 badsignal was changed to call sigsend,
to fix issue #3250.  The effect of this was that when a non-Go thread
received a signal, and os/signal.Notify was not being used to check
for occurrences of the signal, the signal was ignored.

This changes the code so that if os/signal.Notify is not being used,
then the signal handler is reset to what it was, and the signal is
raised again.  This lets non-Go threads handle the signal as they
wish.  In particular, it means that a segmentation violation in a
non-Go thread will ordinarily crash the process, as it should.

Fixes #10139.
Update #11794.

Change-Id: I2109444aaada9d963ad03b1d071ec667760515e5
Reviewed-on: https://go-review.googlesource.com/12503
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
2015-07-22 20:26:29 +00:00
api runtime/trace: add new package 2015-07-22 15:47:16 +00:00
doc doc: add line break in install-source.html 2015-07-22 17:40:47 +00:00
lib/time lib/time: update to IANA release 2015e. 2015-07-22 02:56:31 +00:00
misc misc/makerelease: delete 2015-07-22 09:18:33 +00:00
src runtime: if we don't handle a signal on a non-Go thread, raise it 2015-07-22 20:26:29 +00:00
test cmd/link: if -B option was used, pass it to the external linker 2015-07-21 03:57:55 +00:00
.gitattributes
.gitignore .gitignore: ignore y.output 2015-06-10 00:28:52 +00:00
AUTHORS A+C: more updates 2015-07-16 22:03:55 +00:00
CONTRIBUTING.md doc: suggest security@golang.org for reporting security issues 2015-06-26 09:53:36 +00:00
CONTRIBUTORS A+C: more updates 2015-07-16 22:03:55 +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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For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.

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.

Please report issues here: https://golang.org/issue/new

Go is the work of hundreds of contributors. We appreciate your help!

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

Please note that we do not use pull requests.

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

--

Binary Distribution Notes

If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.

For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:

export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin

See https://golang.org/doc/install or doc/install.html for more details.