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Commit Graph

17768 Commits

Author SHA1 Message Date
Rob Pike
158c56ef8a lib/time: update time zone files to version 2013g
This dataset is current as of Sep 30, 2013.

Fixes #6524

R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/14570044
2013-10-08 16:16:24 -07:00
Rob Pike
daa61d1eb3 encoding/gob: add examples
Also tweak the package document, putting in section headings and
adding a sentence about intended use.

Fixes #4925.

R=golang-dev, iant, adg, ugorji
CC=golang-dev
https://golang.org/cl/14519044
2013-10-08 13:13:40 -07:00
Andrew Gerrand
cf694aac34 doc: fix a few broken links
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14494044
2013-10-09 07:05:43 +11:00
Alan Donovan
bab2a5416c test: revert changes made for Go SSA interpreter test.
R=r, gri
CC=golang-dev
https://golang.org/cl/14552044
2013-10-08 14:36:20 -04:00
Carl Shapiro
254dc5fdbe cmd/go, runtime: express armv5t architecture constraint differently
Instead of adding an -march=armv5t flag to the gcc command
line, the same effect is obtained with an ".arch armv5t"
pseudo op in the assembly file that uses armv5t instructions.

R=golang-dev, iant, dave
CC=golang-dev
https://golang.org/cl/14511044
2013-10-08 10:40:51 -07:00
Andrew Gerrand
fa9fad4b69 A+C: Tw (individual CLA)
Generated by addca.

R=gobot
CC=golang-dev
https://golang.org/cl/14502047
2013-10-08 16:53:56 +11:00
Andrew Gerrand
0d676f3d1e doc/articles/wiki: fix path handling and clean up test process
Fixes #6525.

R=r
CC=golang-dev
https://golang.org/cl/14383043
2013-10-08 11:14:35 +11:00
Rob Pike
9795882704 math: the trig functions work in radians; document that
Fixes #6543
6543 is also a fine NGC object.

R=golang-dev, dsymonds, kamil.kisiel, minux.ma
CC=golang-dev
https://golang.org/cl/14515044
2013-10-07 16:32:47 -07:00
Robert Griesemer
e121de2f01 spec: unsafe.Pointers are pointers
But they cannot be dereferenced.
See also issue 6116.

Fixes #6358.

R=r, rsc, iant, ken
CC=golang-dev
https://golang.org/cl/14374046
2013-10-07 10:43:28 -07:00
Dominik Honnef
989a63eb0b misc/emacs: find unused imports where path and package name differ
The Go compiler emits extra information for this case:

imported and not used: "sandbox/foo_bar" as bar

R=adonovan
CC=golang-dev
https://golang.org/cl/14111043
2013-10-07 13:08:26 -04:00
Joel Sing
fc1bea321d os/user: fix user lookups on dragonfly
Like FreeBSD, DragonFly does not provide a sysconf value for
_SC_GETPW_R_SIZE_MAX.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/14469043
2013-10-07 09:21:33 -07:00
Joel Sing
fba015ecb4 os/user: enable tests on all supported platforms
All of the currently supported platforms have a working user
implementation and do not use stubs. As a result, enable the tests
on all platforms rather than whitelisting.

R=golang-dev, dave, iant
CC=golang-dev
https://golang.org/cl/14454044
2013-10-07 09:12:17 -07:00
Joel Sing
932428a1ed os/signal: make test logs reflect reality
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/14470043
2013-10-07 09:04:20 -07:00
Jeff Sickel
e67b0e6885 codereview: move dotfiles out of user home director to something sane.
See Rob Pike's lesson on shortcuts, https://plus.google.com/101960720994009339267/posts/R58WgWwN9jp

R=golang-dev, r, rsc
CC=aram.h, golang-dev
https://golang.org/cl/14374045
2013-10-07 11:41:27 -04:00
Russ Cox
13afa62764 A+C: Jeff Sickel (individual CLA)
Generated by addca.

R=gobot
CC=golang-dev
https://golang.org/cl/14467045
2013-10-07 11:40:59 -04:00
David Symonds
faad40c745 A+C: add Marko Juhani Silokunnas (individual CLA).
R=golang-dev, adg
CC=golang-dev, mikioh.mikioh
https://golang.org/cl/14417043
2013-10-05 14:15:02 +10:00
Keith Randall
869368a528 runtime: fix bug in maps at the intersection of iterators, growing, and NaN keys
If an iterator is started while a map is in the middle of a grow,
and the map has NaN keys, then those keys might get returned by
the iterator more than once.  This fix makes the evacuation decision
deterministic and repeatable for NaN keys so each one gets returned
only once.

R=golang-dev, r, khr, iant
CC=golang-dev
https://golang.org/cl/14367043
2013-10-04 13:54:03 -07:00
Keith Randall
15baf6b4ac runtime: remove 3 unused declarations.
R=golang-dev, cshapiro, iant
CC=golang-dev
https://golang.org/cl/14405043
2013-10-04 13:22:20 -07:00
Ian Lance Taylor
ef4e12a4ba reflect: test using a MakeFunc value in a couple of different ways
The gccgo implementation mishandled calling Interface on a
value created by MakeFunc.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14401043
2013-10-04 13:12:50 -07:00
Mikio Hara
eb002c50f5 doc/go1.2.html: update a minor change to syscall
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14379043
2013-10-04 13:13:56 +09:00
Alex Brainman
4207897dcc runtime: collect profiles even while on g0 stack
Fixes #6417

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/14231047
2013-10-04 13:53:34 +10:00
Andrew Gerrand
8e5866e60d A+C: Matt Reiferson (individual CLA)
Generated by addca.

R=gobot
CC=golang-dev
https://golang.org/cl/14375043
2013-10-04 11:46:32 +10:00
Andrew Gerrand
48ba6fe553 doc: move spec and memory model back to /ref/
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14364043
2013-10-04 09:45:06 +10:00
Robert Griesemer
4cc71e3363 spec: added additional links, added missing 'label'
No semantic spec changes.

R=r
CC=golang-dev
https://golang.org/cl/14363043
2013-10-03 16:38:22 -07:00
Ian Lance Taylor
e59db90bfb reflect: add a test that gccgo mishandled
Failure occurred when using reflect.Call to pass a func value
following a non-pointer value.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14186043
2013-10-03 13:23:02 -07:00
Robert Hencke
58d18e25af spec: fix small typo in comment for example
R=golang-dev, mirtchovski, r
CC=golang-dev
https://golang.org/cl/14227043
2013-10-03 12:46:02 -07:00
Robert Hencke
a51b8cf870 gofmt: explain why lower bounds aren't automatically simplified
Full credit goes to gri and rsc for their explanations.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14229043
2013-10-03 10:55:17 -07:00
Russ Cox
fe1c92a203 doc: remove link to PackageVersioning wiki
That page may be fine for experienced Go programmers
but it's not really targeting new programmers.
There's too much we don't know yet.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14345043
2013-10-03 13:53:16 -04:00
Rob Pike
c4579635cf sync/atomic: explain how to subtract an unsigned constant
Explain for those unfamiliar with twos-complement arithmetic how to
implement negation of signed positive constant.
Fixes #6408.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/14267044
2013-10-03 10:40:42 -07:00
Russ Cox
01479b6c4a go/doc: update ToHTML doc comment
Update #5429

R=golang-dev, r, dan.kortschak
CC=golang-dev
https://golang.org/cl/14293043
2013-10-03 09:49:12 -04:00
Russ Cox
408238e20b runtime: change default stack segment size to 8 kB
Changing from 4 kB to 8 kB brings significant improvement
on a variety of the Go 1 benchmarks, on both amd64
and 386 systems.

Significant runtime reductions:

          amd64  386
GoParse    -14%  -1%
GobDecode  -12% -20%
GobEncode  -64%  -1%
JSONDecode  -9%  -4%
JSONEncode -15%  -5%
Template   -17% -14%

In the longer term, khr's new stacks will avoid needing to
make this decision at all, but for Go 1.2 this is a reasonable
stopgap that makes performance significantly better.

Demand paging should mean that if the second 4 kB is not
used, it will not be brought into memory, so the change
should not adversely affect resident set size.
The same argument could justify bumping as high as 64 kB
on 64-bit machines, but there are diminishing returns
after 8 kB, and using 8 kB limits the possible unintended
memory overheads we are not aware of.

Benchmark graphs at
http://swtch.com/~rsc/gostackamd64.html
http://swtch.com/~rsc/gostack386.html

Full data at
http://swtch.com/~rsc/gostack.zip

R=golang-dev, khr, dave, bradfitz, dvyukov
CC=golang-dev
https://golang.org/cl/14317043
2013-10-03 09:19:10 -04:00
Russ Cox
dc8d903155 doc/faq: add a FAQ about versioning
Fixes #5633.

R=golang-dev, r, tommi.virtanen, adg, nj
CC=golang-dev
https://golang.org/cl/14283044
2013-10-03 09:18:47 -04:00
Dave Day
0a033a18ad cmd/gc: support -installsuffix in the compiler and builder
Add the -installsuffix flag to gc and {5,6,8}l, which overrides -race
for the suffix if both are supplied.
Pass this flag from the go tool for build and install.

R=rsc
CC=golang-dev
https://golang.org/cl/14246044
2013-10-03 13:48:47 +10:00
Yasuhiro Matsumoto
45b830ed31 misc/vim: Autocompletion for :Godoc command
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/14259043
2013-10-03 13:32:07 +10:00
Russ Cox
94a6511b7f net: use original argument in lookup error
Fixes #6324.

R=golang-dev, iant, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/13280049
2013-10-02 22:09:54 -04:00
Russ Cox
e0867738fc cmd/go: document relative imports
Fixes #3524.

R=golang-dev, iant, r
CC=golang-dev
https://golang.org/cl/14296043
2013-10-02 21:42:23 -04:00
Russ Cox
95d85d90d8 crypto/tls: document ConnectionState fields
Fixes #6456.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14289043
2013-10-02 21:40:01 -04:00
Russ Cox
4216203bcf runtime: remove syscall.NewCallbackCDecl on Windows
It is not possible to use (there is no declaration in package syscall),
and no one seems to care.

Alex Brainman may bring this back properly for Go 1.3.

Fixes #6338.

R=golang-dev, r, alex.brainman
CC=golang-dev
https://golang.org/cl/14287043
2013-10-02 21:39:45 -04:00
Shenghou Ma
a978b1e049 misc/dist: support building statically linked toolchain.
so that we don't need worry about specifying the required
libc version (note: as cmd/go will still be dynamically
linked to libc, we still need to perform the build on OSes
with an old enough libc. But as cmd/go doesn't rely on many
libc symbols, the situation should be significantly better).

Fixes #3564.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/14261043
2013-10-02 20:14:54 -04:00
Josh Bleecher Snyder
0857045818 encoding/json: add an example for RawMessage
RawMessage is useful and mildly non-obvious.
Given the frequency with which RawMessage questions
show up on golang-nuts, and get answered with an example,
I suspect adding an example to the docs might help.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/14190044
2013-10-03 08:52:18 +10:00
Rob Pike
d38ed2a9f2 doc/effective_go: fix server example that shares var between goroutines
Use it as a teaching example about how to solve this problem.

Fixes #6501

R=golang-dev, adg, rsc
CC=golang-dev
https://golang.org/cl/14250043
2013-10-02 11:35:25 -07:00
Russ Cox
1b0bffa973 net/http: be clear that HTTPS is supported
Fixes #6443.

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/14231045
2013-10-02 13:21:15 -04:00
Russ Cox
5f853d7d94 runtime: fix finalizer test on amd64
Not scanning the stack by frames means we are reintroducing
a few false positives into the collection. Run the finalizer registration
in its own goroutine so that stack is guaranteed to be out of
consideration in a later collection.

This is working around a regression from yesterday's tip, but
it's not a regression from Go 1.1.

R=golang-dev
TBR=golang-dev
CC=golang-dev
https://golang.org/cl/14290043
2013-10-02 12:30:49 -04:00
Rémy Oudompheng
8d6bc666fb cmd/gc: qualified embedded fields with owner package.
R=rsc
CC=golang-dev
https://golang.org/cl/14188044
2013-10-02 12:27:33 -04:00
Frithjof Schulze
4d7c63558c crypto/tls: Update reference to the TLS 1.2 RFC.
Ticket 13740047 updated the documented TLS version to 1.2.
This also updates the RFC refered to.

R=golang-dev
CC=golang-dev, rsc
https://golang.org/cl/14029043
2013-10-02 12:09:13 -04:00
Russ Cox
c3dadca977 runtime: do not scan stack by frames during garbage collection
Walking the stack by frames is ~3x more expensive
than not, and since it didn't end up being precise,
there is not enough benefit to outweigh the cost.

This is the conservative choice: this CL makes the
stack scanning behavior the same as it was in Go 1.1.

Add benchmarks to package runtime so that we have
them when we re-enable this feature during the
Go 1.3 development.

benchmark                     old ns/op    new ns/op    delta
BenchmarkGoroutineSelect        3194909      1272092  -60.18%
BenchmarkGoroutineBlocking      3120282       866366  -72.23%
BenchmarkGoroutineForRange      3256179       939902  -71.13%
BenchmarkGoroutineIdle          2005571       482982  -75.92%

The Go 1 benchmarks, just to add more data.
As far as I can tell the changes are mainly noise.

benchmark                         old ns/op    new ns/op    delta
BenchmarkBinaryTree17            4409403046   4414734932   +0.12%
BenchmarkFannkuch11              3407708965   3378306120   -0.86%
BenchmarkFmtFprintfEmpty                100           99   -0.60%
BenchmarkFmtFprintfString               242          239   -1.24%
BenchmarkFmtFprintfInt                  204          206   +0.98%
BenchmarkFmtFprintfIntInt               320          316   -1.25%
BenchmarkFmtFprintfPrefixedInt          295          299   +1.36%
BenchmarkFmtFprintfFloat                442          435   -1.58%
BenchmarkFmtManyArgs                   1246         1216   -2.41%
BenchmarkGobDecode                 10186951     10051210   -1.33%
BenchmarkGobEncode                 16504381     16445650   -0.36%
BenchmarkGzip                     447030885    447056865   +0.01%
BenchmarkGunzip                   111056154    111696305   +0.58%
BenchmarkHTTPClientServer             89973        93040   +3.41%
BenchmarkJSONEncode                28174182     27933893   -0.85%
BenchmarkJSONDecode               106353777    110443817   +3.85%
BenchmarkMandelbrot200              4822289      4806083   -0.34%
BenchmarkGoParse                    6102436      6142734   +0.66%
BenchmarkRegexpMatchEasy0_32            133          132   -0.75%
BenchmarkRegexpMatchEasy0_1K            372          373   +0.27%
BenchmarkRegexpMatchEasy1_32            113          111   -1.77%
BenchmarkRegexpMatchEasy1_1K            964          940   -2.49%
BenchmarkRegexpMatchMedium_32           202          205   +1.49%
BenchmarkRegexpMatchMedium_1K         68862        68858   -0.01%
BenchmarkRegexpMatchHard_32            3480         3407   -2.10%
BenchmarkRegexpMatchHard_1K          108255       112614   +4.03%
BenchmarkRevcomp                  751393035    743929976   -0.99%
BenchmarkTemplate                 139637041    135402220   -3.03%
BenchmarkTimeParse                      479          475   -0.84%
BenchmarkTimeFormat                     460          466   +1.30%

benchmark                          old MB/s     new MB/s  speedup
BenchmarkGobDecode                    75.34        76.36    1.01x
BenchmarkGobEncode                    46.50        46.67    1.00x
BenchmarkGzip                         43.41        43.41    1.00x
BenchmarkGunzip                      174.73       173.73    0.99x
BenchmarkJSONEncode                   68.87        69.47    1.01x
BenchmarkJSONDecode                   18.25        17.57    0.96x
BenchmarkGoParse                       9.49         9.43    0.99x
BenchmarkRegexpMatchEasy0_32         239.58       241.74    1.01x
BenchmarkRegexpMatchEasy0_1K        2749.74      2738.00    1.00x
BenchmarkRegexpMatchEasy1_32         282.49       286.32    1.01x
BenchmarkRegexpMatchEasy1_1K        1062.00      1088.96    1.03x
BenchmarkRegexpMatchMedium_32          4.93         4.86    0.99x
BenchmarkRegexpMatchMedium_1K         14.87        14.87    1.00x
BenchmarkRegexpMatchHard_32            9.19         9.39    1.02x
BenchmarkRegexpMatchHard_1K            9.46         9.09    0.96x
BenchmarkRevcomp                     338.26       341.65    1.01x
BenchmarkTemplate                     13.90        14.33    1.03x

Fixes #6482.

R=golang-dev, dave, r
CC=golang-dev
https://golang.org/cl/14257043
2013-10-02 11:59:53 -04:00
Shenghou Ma
6b188ef57a cmd/dist, build: support building statically linked toolchain
Added a new $GO_DISTFLAGS to make.bash, and while we're here,
added mention $CXX in make.bash (CL 13704044).

Fixes #6448.
Update #3564
We can pass GO_DISTFLAGS=-s from misc/dist to make.bash so that
it will build a statically linked toolchain.
(Note: OS X doesn't have the concept of static linking, so don't
pass GO_DISTFLAGS=-s for OS X builds)

R=adg, rsc, iant
CC=golang-dev
https://golang.org/cl/13887043
2013-10-01 23:44:20 -04:00
Andrew Gerrand
57d37b55b8 doc: rename @go_nuts to @golang
Yay!

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/14256043
2013-10-02 11:46:44 +10:00
Dave Day
57f69710d5 cmd/go: use -installsuffix to determine the includes directory list
Currently, the directories generaed by includeArgs can have the "_race"
suffix added if invoked with -race flag, but ignores -installsuffix if
set.

R=adg, rsc
CC=golang-dev
https://golang.org/cl/14174043
2013-10-01 20:44:57 -04:00
Yasuhiro Matsumoto
fcee50c46e misc/vim: Separate package and package members.
This change allow to godoc:
    :Godoc github.com/mattn/go-gtk/gtk
    :Godoc github.com/mattn/go-gtk/gtk NewWindow
    :Godoc encoding/json
    :Godoc encoding/json Marshal

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/14171043
2013-10-02 08:52:51 +10:00