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Russ Cox 507df959e4 runtime: drop chan circular linked list in favor of circular buffer 
The list elements are already being allocated out of a
single memory buffer.  We can drop the Link* pointer
following and the memory it requires, replacing it with
index operations.

The change also keeps a channel from containing a pointer
back into its own allocation block, which would create a
cycle.  Blocks involved in cycles are not guaranteed to be
finalized properly, and channels depend on finalizers to
free OS-level locks on some systems.  The self-reference
was keeping channels from being garbage collected.

runtime-gdb.py will need to be updated in order to dump
the content of buffered channels with the new data structure.

Fixes #1676.

R=ken2, r
CC=golang-dev
https://golang.org/cl/4411045
2011-04-13 23:42:06 -04:00
doc doc/install.html: document use of libc6-dev-i386 2011-04-14 10:28:59 +10:00
include windows: replace remaining __MINGW32__ instances with _WIN32 2011-02-08 15:42:52 -05:00
lib codereview: automatically port old diffs forward 2011-04-08 13:00:40 -04:00
misc builder: fix documentation s/\.gobuilder/.gobuildkey/ 2011-04-13 14:49:56 +10:00
src runtime: drop chan circular linked list in favor of circular buffer 2011-04-13 23:42:06 -04:00
test runtime: drop chan circular linked list in favor of circular buffer 2011-04-13 23:42:06 -04:00
.hgignore syscall: add Mmap, Munmap on Linux, FreeBSD, OS X 2011-04-06 17:52:02 -04:00
.hgtags tag weekly.2011-04-04 2011-04-05 12:56:39 +10:00
AUTHORS C+A: Add Lucio De Re 2011-04-12 10:58:54 -07:00
CONTRIBUTORS C+A: Add Lucio De Re 2011-04-12 10:58:54 -07:00
favicon.ico add a favicon plus a couple of hi-res versions of gordon 2009-10-26 10:13:07 -07:00
LICENSE LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
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.