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Commit Graph

16187 Commits

Author SHA1 Message Date
Ian Lance Taylor
9182c364aa cmd/ld: add -extld and -extldflags options
Permits specifying the linker to use, and trailing flags to
pass to that linker, when linking in external mode.  External
mode linking is used when building a package that uses cgo, as
described in the cgo docs.

Also document -linkmode and -tmpdir.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8225043
2013-04-01 12:56:18 -07:00
Rémy Oudompheng
df9f4f14b9 cmd/gc: do not reuse bool temporaries for composite equality.
Reusing it when multiple comparisons occurred in the same
function call led to bad overwriting.

Fixes #5162.

R=golang-dev, daniel.morsing
CC=golang-dev
https://golang.org/cl/8174047
2013-04-01 21:01:50 +02:00
Brad Fitzpatrick
d76f28fc39 runtime: add concurrent map read test
Currently crashes, so disabled.

Update #5179

R=golang-dev, khr
CC=golang-dev
https://golang.org/cl/8222044
2013-04-01 11:49:24 -07:00
Lucio De Re
79a0c17012 cmd/go: prevent packages from being cleaned more than once
If a package was listed as a dependency from multiple places, it
could have been cleaned repeatedly.

R=golang-dev, dave, rsc, seed, bradfitz
CC=golang-dev, minux.ma
https://golang.org/cl/7482043
2013-04-01 10:01:12 -07:00
Ewan Chou
174a17e3c6 testing: report test as failed if the test panics.
Fixes #5149.

R=golang-dev, dave, minux.ma
CC=golang-dev
https://golang.org/cl/8136043
2013-04-01 22:36:41 +11:00
Lucio De Re
e42bc0df87 lib9/utf: Remove superfluous header inclusion.
<stdint.h> does not seem to be needed.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8178044
2013-03-31 12:28:22 -07:00
Mikio Hara
8a448ef950 net: update documentation for UnixConn, UnixListener and related stuff
Closes the API documentation gap between platforms.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8063044
2013-03-31 16:48:18 +09:00
Mikio Hara
e2c453e7a7 net: update documentation for UDPConn and related stuff
Closes the API documentation gap between platforms.
Also makes the code textual representation same between platforms.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8148043
2013-03-31 16:47:54 +09:00
Mikio Hara
f45339c1f3 net: update documentation for TCPConn, TCPListener and related stuff
Closes the API documentation gap between platforms.
Also makes the code textual representation same between platforms.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8147043
2013-03-31 16:47:26 +09:00
Mikio Hara
32f88f4ea1 net: update documentation for IPConn and related stuff
Closes the API documentation gap between platforms.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8143044
2013-03-31 16:46:59 +09:00
Brad Fitzpatrick
b80ce2034b net/http: Transport: be paranoid about any non-100 1xx response
Since we can't properly handle anything except 100, treat all
1xx informational responses as sketchy and don't reuse the
connection for future requests.

The only other 1xx response code currently in use in the wild
is WebSockets' use of "101 Switching Protocols", but our
code.google.com/p/go.net/websockets doesn't use Client or
Transport: it uses ReadResponse directly, so is unaffected by
this CL.  (and its tests still pass)

So this CL is entirely just future-proofing paranoia.
Also: the Internet is weird.

Update #2184
Update #3665

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/8208043
2013-03-30 22:59:08 -07:00
Albert Strasheim
59ae9d9ac9 runtime: TestGcSys: if GOGC=off, skip instead of failing
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8201043
2013-03-30 15:10:53 -07:00
Brad Fitzpatrick
ad7aa83020 net/http: fix incredibly racy TestTransportReading100Continue
Whoops. I'm surprised it even worked before. (Need two pipes,
not one.)

Also, remove the whole pipe registration business, since it
wasn't even required in the previous version. (I'd later fixed
it at the end of send100Response, but forgot to delete it)

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8191044
2013-03-30 11:18:56 -07:00
Shenghou Ma
6e054190f7 doc/go1.1: mention (*testing.B).ReportAllocs()
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8198043
2013-03-31 02:17:25 +08:00
Brad Fitzpatrick
9905446dc3 net/textproto: report allocs in benchmarks
R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/8187045
2013-03-30 10:52:22 -07:00
Dominik Honnef
0104cea6c8 misc/emacs: Enable compilation-mode for gofmt error buffer before displaying it.
Some packages, like popwin.el, change display behaviour based on
the buffer's mode, so we should enable compilation-mode before
displaying the buffer.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8155043
2013-03-30 09:54:08 -07:00
David du Colombier
c2e06e0188 cmd/gc, cmd/ld: fix warnings on Plan 9
src/cmd/gc/closure.c:133 param declared and not used: nowrap
src/cmd/gc/const.c:1139 set and not used: t1
src/cmd/ld/data.c:652 format mismatch #llx INT, arg 7
src/cmd/ld/data.c:652 format mismatch #llx INT, arg 8
src/cmd/ld/data.c:1230 set and not used: datsize

R=dave, golang-dev, lucio.dere, remyoudompheng, bradfitz
CC=golang-dev
https://golang.org/cl/8182043
2013-03-30 09:44:52 -07:00
David du Colombier
3a14b42edf cmd/6g: fix warnings on Plan 9
src/cmd/6g/peep.c:471 set and not used: r
src/cmd/6g/peep.c:560 overspecified class: regconsttyp GLOBL STATIC
src/cmd/6g/peep.c:761 more arguments than format IND STRUCT Prog
src/cmd/6g/reg.c:185 set and not used: r1
src/cmd/6g/reg.c:786 format mismatch d VLONG, arg 3
src/cmd/6g/reg.c:1064 format mismatch d VLONG, arg 5

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8197044
2013-03-30 09:31:49 -07:00
Albert Strasheim
0399e76b66 os/exec, syscall: fix tests to pass when GOGCTRACE=1 is set
R=golang-dev, bradfitz, minux.ma
CC=golang-dev
https://golang.org/cl/8193043
2013-03-30 09:22:11 -07:00
David du Colombier
ad95b7d23c include/plan9/libc.h: fix Plan 9 build
Add missing getgoextlinkenabled(void) declaration
in Plan 9 libc.h. This function was added as part
of CL #8183043.

R=golang-dev, minux.ma
CC=golang-dev
https://golang.org/cl/8191043
2013-03-30 19:05:00 +08:00
Andrey Mirtchovski
06ed730d87 misc/cgo/gmp: fix typo.
R=golang-dev, minux
CC=golang-dev
https://golang.org/cl/8174045
2013-03-30 19:02:14 +08:00
Mikio Hara
4b7bf73c4b net: avoid use of listener socket options on active open sockets
This CL ensures we use the correct socket options for
passive and active open sockets.

For the passive open sockets created by Listen functions,
additional SO_REUSEADDR, SO_REUSEPORT options are required
for the quick service restart and/or multicasting.

For the active open sockets created by Dial functions, no
additional options are required.

R=golang-dev, dave, bradfitz, rsc
CC=golang-dev
https://golang.org/cl/7795050
2013-03-30 15:21:22 +09:00
Dave Cheney
5851b974a3 misc/dashboard/codereview: add Rémy to the list of assignees
R=dsymonds, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/8094047
2013-03-30 15:53:44 +11:00
Brad Fitzpatrick
a79df7bb20 net/http: ignore 100-continue responses in Transport
"There are only two hard problems in computer science:
cache invalidation, naming things, and off-by-one errors."

The HTTP server code already strips Expect: 100-continue on
requests, so httputil.ReverseProxy should be unaffected, but
some servers send unsolicited HTTP/1.1 100 Continue responses,
so we need to skip over them if they're seen to avoid getting
off-by-one on Transport requests/responses.

This does change the behavior of people who were using Client
or Transport directly and explicitly setting "Expect: 100-continue"
themselves, but it didn't work before anyway. Now instead of the
user code seeing a 100 response and then things blowing up, now
it basically works, except the Transport will still blast away
the full request body immediately.  That's the part that needs
to be finished to close this issue.

This is the safe quick fix.

Update #3665

R=golang-dev, dsymonds, dave, jgrahamc
CC=golang-dev
https://golang.org/cl/8166045
2013-03-29 20:25:11 -07:00
Ian Lance Taylor
3197be4807 cmd/dist, cmd/ld: GO_EXTLINK_ENABLED=0 defaults to -linkmode=internal
Change build system to set GO_EXTLINK_ENABLED=0 by default for
OS X 10.6, since the system linker has a bug and can not
handle the object files generated by 6l.

Fixes #5130.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8183043
2013-03-29 16:33:35 -07:00
Robert Obryk
461e7b7d40 bytes: Benchmark Buffer's compactions
This benchmark verifies that CL #8173043 reduces time spent
sliding the Buffer's contents.

Results without and with CL #8173043 applied:
benchmark                        old ns/op    new ns/op    delta
BenchmarkBufferFullSmallReads       755336       175054  -76.82%

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8174043
2013-03-29 14:17:09 -07:00
Brad Fitzpatrick
38e7c6b0db A+C: Robert Obryk (individual CLA)
Generated by addca.

R=gobot
CC=golang-dev
https://golang.org/cl/8176043
2013-03-29 14:16:41 -07:00
Rob Pike
0359af4fdb bytes: document that Buffer.Write grows the buffer
Do a little reformatting too.
Fixes #5152.

R=golang-dev, bradfitz, gri
CC=golang-dev
https://golang.org/cl/8157044
2013-03-29 14:09:31 -07:00
Brad Fitzpatrick
ecdcec1df2 runtime: additional map benchmarks for repeated lookups
For the future.

Update #5147

R=khr, r
CC=golang-dev
https://golang.org/cl/8165044
2013-03-29 13:50:44 -07:00
Brad Fitzpatrick
43e38d5def bytes: don't compact Buffer so aggressively
benchmark                           old ns/op    new ns/op    delta
BenchmarkBufferNotEmptyWriteRead       848416       819983   -3.35%

Update #5154

R=golang-dev, gri, robryk
CC=golang-dev
https://golang.org/cl/8173043
2013-03-29 13:49:14 -07:00
Brad Fitzpatrick
994f59666f bytes: don't grow Buffer if capacity is available
Also added a new benchmark from the same test:

benchmark                           old ns/op    new ns/op    delta
BenchmarkBufferNotEmptyWriteRead      2643698       709189  -73.17%

Fixes #5154

R=golang-dev, r, gri
CC=golang-dev
https://golang.org/cl/8164043
2013-03-29 12:39:19 -07:00
Keith Randall
fb3ed166e3 runtime: fix gdb printing of maps
Fixes #5098

R=minux.ma, bradfitz, khr, rsc
CC=golang-dev
https://golang.org/cl/7746045
2013-03-29 11:04:07 -07:00
Elias Naur
c1786a9e3b doc: fix typo in effective_go.html
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/7548045
2013-03-29 10:28:37 -07:00
Brad Fitzpatrick
df885e70d7 net/http: ignore more uninteresting goroutines
These only show up if GOTRACEBACK=2

Update #5005

R=golang-dev, fullung
CC=golang-dev
https://golang.org/cl/8156044
2013-03-29 08:30:28 -07:00
Keith Randall
871177df6a 8a/8l: add PCMPEQB and PMOVMSKB to 386.
Used by CL 8056043 for fast string equals.

R=bradfitz
CC=golang-dev
https://golang.org/cl/8102044
2013-03-29 00:34:03 -07:00
Mikio Hara
47a54ab2ad api: remove Zone of net.IPNet from next.txt
Update #4234.
Update #4501.

R=golang-dev, dave, bradfitz
CC=golang-dev
https://golang.org/cl/8129043
2013-03-29 15:07:38 +09:00
Mikio Hara
66b797a4f9 net: close TCPListener in example
R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/8073044
2013-03-29 15:07:10 +09:00
Mikio Hara
245dc62ca4 net: update documentation for ListenTCP, ListenUDP
Adds the missing wildcard port assignment description to ListenUDP.
Also updates the wildcard port description on ListenTCP.

R=golang-dev, dave, r
CC=golang-dev
https://golang.org/cl/8063043
2013-03-29 15:06:43 +09:00
Mikio Hara
abccf6b692 net: update documentation for FileConn, FilePacketConn, FileListener
Closes the API documentation gap between platforms.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8086043
2013-03-29 12:16:24 +09:00
Mikio Hara
0f9b3059bc net: enable IPv6 tests on Windows
Also removes redundant tests that run Go 1.0 non-IPv6 support
Windows code on IPv6 enabled Windows kernels.

R=alex.brainman, golang-dev, bradfitz, dave
CC=golang-dev
https://golang.org/cl/7812052
2013-03-29 11:46:47 +09:00
Brad Fitzpatrick
68130a07af net/http: unflake TestTransportConcurrency
Fixes #5005

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8127043
2013-03-28 18:36:06 -07:00
Robert Griesemer
f38811979c go/printer: use strings.Split instead of specialized code
With the faster strings package, the difference between
the specialized code and strings.Split is in the noise:

benchmark         old ns/op    new ns/op    delta
BenchmarkPrint     16724291     16686729   -0.22%

(Measured on a Mac Pro, 2.8GHz Quad-core Intel Xeon,
4GB 800 MHz DDR2, Mac OS X 10.8.3)

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8100044
2013-03-28 15:47:39 -07:00
Ian Lance Taylor
47ec6e23d2 cmd/ld: only pass -rdynamic to host linker on ELF target
Fixes #5150.

R=golang-dev, franciscossouza
CC=golang-dev
https://golang.org/cl/8120043
2013-03-28 15:04:25 -07:00
Brad Fitzpatrick
1b0d04b89f net/http: reuse textproto.Readers; remove 2 more allocations
Saves both the textproto.Reader allocation, and its internal
scratch buffer growing.

benchmark                                   old ns/op    new ns/op    delta
BenchmarkServerFakeConnWithKeepAliveLite        10324        10149   -1.70%

benchmark                                  old allocs   new allocs    delta
BenchmarkServerFakeConnWithKeepAliveLite           19           17  -10.53%

benchmark                                   old bytes    new bytes    delta
BenchmarkServerFakeConnWithKeepAliveLite         1559         1492   -4.30%

R=golang-dev, r, gri
CC=golang-dev
https://golang.org/cl/8094046
2013-03-28 14:51:21 -07:00
Robert Griesemer
f1b7c140ff cmd/godoc: provide a link from notes to source location
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8122043
2013-03-28 14:40:59 -07:00
Carl Shapiro
c676b8b27b cmd/ld, runtime: restrict stack root scan to locals and arguments
Updates #5134

R=golang-dev, bradfitz, cshapiro, daniel.morsing, ality, iant
CC=golang-dev
https://golang.org/cl/8022044
2013-03-28 14:36:23 -07:00
Brad Fitzpatrick
7e7f89933b net/http: parse Request-Line in a function, remove an allocation
Removes another per-request allocation. Also makes the code more
readable, IMO. And more testable.

benchmark                                   old ns/op    new ns/op    delta
BenchmarkServerFakeConnWithKeepAliveLite        10539        10324   -2.04%

benchmark                                  old allocs   new allocs    delta
BenchmarkServerFakeConnWithKeepAliveLite           20           19   -5.00%

benchmark                                   old bytes    new bytes    delta
BenchmarkServerFakeConnWithKeepAliveLite         1609         1559   -3.11%

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/8118044
2013-03-28 14:19:51 -07:00
Brad Fitzpatrick
731dcb7680 net/url: use strings.Index instead of a loop
We already depend on strings in this file, so use it.

Plus strings.Index will be faster than a manual loop
once issue 3751 is finished.

R=golang-dev, khr
CC=golang-dev
https://golang.org/cl/8116043
2013-03-28 13:43:34 -07:00
Robert Griesemer
cb79b2cf22 go/doc: fix typo in comment
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/8113043
2013-03-28 13:13:55 -07:00
Brad Fitzpatrick
a891484a4e net/http: inline chunkWriter in response
A chunkWriter and a response are 1:1. Make them contiguous in
memory and save an allocation.

benchmark                                   old ns/op    new ns/op    delta
BenchmarkServerFakeConnWithKeepAliveLite        10715        10539   -1.64%

benchmark                                  old allocs   new allocs    delta
BenchmarkServerFakeConnWithKeepAliveLite           21           20   -4.76%

benchmark                                   old bytes    new bytes    delta
BenchmarkServerFakeConnWithKeepAliveLite         1626         1609   -1.05%

R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/8114043
2013-03-28 13:13:28 -07:00