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The Go programming language
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551ada4742
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Russ Cox 551ada4742 runtime: avoid allocation of internal panic values 
If a fault happens in malloc, inevitably the next thing that happens
is a deadlock trying to allocate the panic value that says the fault
happened. Stop doing that, two ways.

First, reject panic in malloc just as we reject panic in garbage collection.

Second, runtime.panicstring was using an error implementation
backed by a Go string, so the interface held an allocated *string.
Since the actual errors are C strings, define a new error
implementation backed by a C char*, which needs no indirection
and therefore no allocation.

This second fix will avoid allocation for errors like nil panic derefs
or division by zero, so it is worth doing even though the first fix
should take care of faults during malloc.

Update #6419

R=golang-dev, dvyukov, dave
CC=golang-dev
https://golang.org/cl/13774043
2013-09-20 15:15:25 -04:00
api api: update go1.1, except and next.txt with constant values 2013-09-06 12:01:18 -07:00
doc effective_go: add a discussion of labeled break and continue 2013-09-17 07:41:45 +10:00
include build: remove various uses of C undefined behavior 2013-09-09 15:07:23 -04:00
lib codereview: update use of promptchoice for Mercurial 2.7 2013-09-06 15:48:21 -04:00
misc misc/dist: add 'label' part of distro name, include blog content 2013-09-19 16:51:29 +10:00
src runtime: avoid allocation of internal panic values 2013-09-20 15:15:25 -04:00
test test/fixedbugs/bug295.go: fix test in anticipation of future gc fix 2013-09-20 09:40:56 -07:00
.hgignore build: ignore new zfiles, delete temp goplay binary in run.bash 2013-08-02 19:14:13 -07:00
.hgtags untag go1.2rc1 2013-09-19 22:34:33 +10:00
AUTHORS A+C: Nicholas Sullivan 2013-09-12 11:17:37 -04:00
CONTRIBUTORS C: add Thomas Habets (Google CLA) 2013-09-18 10:48:11 +10:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README build: update, streamline documentation for new $GOBIN 2010-08-24 20:00:50 -04:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

README 

This is the source code repository for the Go programming language.  

For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install.html in your web browser.

After installing Go, you can view a nicely formatted
doc/install.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install.html.

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 README).  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.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 doc/install.html for more details.