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Author SHA1 Message Date
Andrew Gerrand
70f6133b84 doc: fix typo in Effective Go 
Fixes #2120.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4810061
 2011-07-31 15:25:26 -07:00
Alex Brainman
9d7e39340d syscall: delay load of dll functions until they are called 
Before this change, syscall package would load
all dlls used anywhere in the go tree on startup.
For example, this program:

package main

import "fmt"

func main() {
       fmt.Printf("Hello world\n")
}

would load these dlls

kernel32.dll
advapi32.dll
shell32.dll
wsock32.dll
ws2_32.dll
dnsapi.dll
iphlpapi.dll

Most of these dlls are network related and are not used
in this program. Now the same program loads only

kernel32.dll
shell32.dll

This decreases start times somewhat.

This also relaxes the rules of which dlls can be included
in the standard library. We could now include system calls
that are not available on all versions of Windows, because
we could decide if we should call them during runtime.

R=rsc, vcc.163
CC=golang-dev
https://golang.org/cl/4815046
 2011-07-31 20:07:04 +10:00
David Symonds
be96fa5a2e go_faq: drop a dramatic comma. 
R=r
CC=golang-dev
https://golang.org/cl/4809064
 2011-07-31 12:59:58 +10:00
Andrew Gerrand
ffccc026cb exp/norm: correct package doc comment 
Fixes #2118.

R=golang-dev, r, iant
CC=golang-dev
https://golang.org/cl/4815073
 2011-07-30 18:02:09 -07:00
Robert Griesemer
7162f39fc3 exp/template: fix endless loop 
No progress was made in indirect() if the reflect.Value
was an non-nil and non-empty interface.

R=r, r
CC=golang-dev
https://golang.org/cl/4810060
 2011-07-30 17:11:52 -07:00
Andrew Gerrand
bf184398f6 tag weekly.2011-07-29 
R=rsc
CC=golang-dev
https://golang.org/cl/4833047
 2011-07-29 15:21:24 -07:00
Andrew Gerrand
b583108436 weekly.2011-07-29 
R=rsc
CC=golang-dev
https://golang.org/cl/4801062
 2011-07-29 15:11:48 -07:00
Hector Chu
9bc58accce runtime: fix scheduling race 
Affects programs using cgo or runtime.LockOSThread.

Fixes #2100.

R=rsc, dvyukov
CC=golang-dev
https://golang.org/cl/4810059
 2011-07-29 17:39:02 -04:00
Kyle Lemons
31442a6737 xml: Header: fix close tag and newline 
R=rsc
CC=golang-dev
https://golang.org/cl/4830043
 2011-07-29 14:09:07 -04:00
Joel Sing
2d7ddfa64d libmach: stubs for openbsd 
Add libmach stubs for openbsd.

R=rsc
CC=golang-dev
https://golang.org/cl/4815065
 2011-07-29 13:48:00 -04:00
Russ Cox
124172e2cf godoc: allow form feed in text files 
Now recognizes misc/emacs/go-mode-load.el as text.

Fixes #2115.

R=gri
CC=golang-dev
https://golang.org/cl/4801061
 2011-07-29 13:47:54 -04:00
Joel Sing
ffa14e849c 6l: OpenBSD support 
Add linker support for OpenBSD ELF-64.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4815066
 2011-07-29 13:47:41 -04:00
Dmitriy Vyukov
91f0f18100 runtime: fix data race in findfunc() 
The data race can lead to reads of partially
initialized concurrently mutated symbol data.
The change also adds a simple sanity test
for Caller() and FuncForPC().

R=rsc
CC=golang-dev
https://golang.org/cl/4817058
 2011-07-29 13:47:24 -04:00
Joel Sing
eb2b3f5dc7 syscall: move bsd pipe syscall 
Not all BSDs have the same pipe() syscall implementation - move the Darwin/FreeBSD specific implementation into their respective OS syscall files. This will be needed to add OpenBSD syscall support.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4823057
 2011-07-29 13:47:20 -04:00
Andrew Gerrand
e0b6f4721f archive/zip: more efficient reader and bug fix 
Fixes #2090.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4815068
 2011-07-29 10:47:00 -07:00
Russ Cox
60dac9b3db CONTRIBUTORS: add Joel Sing (Google CLA) 
R=golang-dev, r
CC=golang-dev, jsing
https://golang.org/cl/4830044
 2011-07-29 13:31:42 -04:00
Dmitriy Vyukov
4e5086b993 runtime: improve Linux mutex 
The implementation is hybrid active/passive spin/blocking mutex.
The design minimizes amount of context switches and futex calls.
The idea is that all critical sections in runtime are intentially
small, so pure blocking mutex behaves badly causing
a lot of context switches, thread parking/unparking and kernel calls.
Note that some synthetic benchmarks become somewhat slower,
that's due to increased contention on other data structures,
it should not affect programs that do any real work.

On 2 x Intel E5620, 8 HT cores, 2.4GHz
benchmark                     old ns/op    new ns/op    delta
BenchmarkSelectContended         521.00       503.00   -3.45%
BenchmarkSelectContended-2       661.00       320.00  -51.59%
BenchmarkSelectContended-4      1139.00       629.00  -44.78%
BenchmarkSelectContended-8      2870.00       878.00  -69.41%
BenchmarkSelectContended-16     5276.00       818.00  -84.50%
BenchmarkChanContended           112.00       103.00   -8.04%
BenchmarkChanContended-2         631.00       174.00  -72.42%
BenchmarkChanContended-4         682.00       272.00  -60.12%
BenchmarkChanContended-8        1601.00       520.00  -67.52%
BenchmarkChanContended-16       3100.00       372.00  -88.00%
BenchmarkChanSync                253.00       239.00   -5.53%
BenchmarkChanSync-2             5030.00      4648.00   -7.59%
BenchmarkChanSync-4             4826.00      4694.00   -2.74%
BenchmarkChanSync-8             4778.00      4713.00   -1.36%
BenchmarkChanSync-16            5289.00      4710.00  -10.95%
BenchmarkChanProdCons0           273.00       254.00   -6.96%
BenchmarkChanProdCons0-2         599.00       400.00  -33.22%
BenchmarkChanProdCons0-4        1168.00       659.00  -43.58%
BenchmarkChanProdCons0-8        2831.00      1057.00  -62.66%
BenchmarkChanProdCons0-16       4197.00      1037.00  -75.29%
BenchmarkChanProdCons10          150.00       140.00   -6.67%
BenchmarkChanProdCons10-2        607.00       268.00  -55.85%
BenchmarkChanProdCons10-4       1137.00       404.00  -64.47%
BenchmarkChanProdCons10-8       2115.00       828.00  -60.85%
BenchmarkChanProdCons10-16      4283.00       855.00  -80.04%
BenchmarkChanProdCons100         117.00       110.00   -5.98%
BenchmarkChanProdCons100-2       558.00       218.00  -60.93%
BenchmarkChanProdCons100-4       722.00       287.00  -60.25%
BenchmarkChanProdCons100-8      1840.00       431.00  -76.58%
BenchmarkChanProdCons100-16     3394.00       448.00  -86.80%
BenchmarkChanProdConsWork0      2014.00      1996.00   -0.89%
BenchmarkChanProdConsWork0-2    1207.00      1127.00   -6.63%
BenchmarkChanProdConsWork0-4    1913.00       611.00  -68.06%
BenchmarkChanProdConsWork0-8    3016.00       949.00  -68.53%
BenchmarkChanProdConsWork0-16   4320.00      1154.00  -73.29%
BenchmarkChanProdConsWork10     1906.00      1897.00   -0.47%
BenchmarkChanProdConsWork10-2   1123.00      1033.00   -8.01%
BenchmarkChanProdConsWork10-4   1076.00       571.00  -46.93%
BenchmarkChanProdConsWork10-8   2748.00      1096.00  -60.12%
BenchmarkChanProdConsWork10-16  4600.00      1105.00  -75.98%
BenchmarkChanProdConsWork100    1884.00      1852.00   -1.70%
BenchmarkChanProdConsWork100-2  1235.00      1146.00   -7.21%
BenchmarkChanProdConsWork100-4  1217.00       619.00  -49.14%
BenchmarkChanProdConsWork100-8  1534.00       509.00  -66.82%
BenchmarkChanProdConsWork100-16 4126.00       918.00  -77.75%
BenchmarkSyscall                  34.40        33.30   -3.20%
BenchmarkSyscall-2               160.00       121.00  -24.38%
BenchmarkSyscall-4               131.00       136.00   +3.82%
BenchmarkSyscall-8               139.00       131.00   -5.76%
BenchmarkSyscall-16              161.00       168.00   +4.35%
BenchmarkSyscallWork             950.00       950.00   +0.00%
BenchmarkSyscallWork-2           481.00       480.00   -0.21%
BenchmarkSyscallWork-4           268.00       270.00   +0.75%
BenchmarkSyscallWork-8           156.00       169.00   +8.33%
BenchmarkSyscallWork-16          188.00       184.00   -2.13%
BenchmarkSemaSyntNonblock         36.40        35.60   -2.20%
BenchmarkSemaSyntNonblock-2       81.40        45.10  -44.59%
BenchmarkSemaSyntNonblock-4      126.00       108.00  -14.29%
BenchmarkSemaSyntNonblock-8      112.00       112.00   +0.00%
BenchmarkSemaSyntNonblock-16     110.00       112.00   +1.82%
BenchmarkSemaSyntBlock            35.30        35.30   +0.00%
BenchmarkSemaSyntBlock-2         118.00       124.00   +5.08%
BenchmarkSemaSyntBlock-4         105.00       108.00   +2.86%
BenchmarkSemaSyntBlock-8         101.00       111.00   +9.90%
BenchmarkSemaSyntBlock-16        112.00       118.00   +5.36%
BenchmarkSemaWorkNonblock        810.00       811.00   +0.12%
BenchmarkSemaWorkNonblock-2      476.00       414.00  -13.03%
BenchmarkSemaWorkNonblock-4      238.00       228.00   -4.20%
BenchmarkSemaWorkNonblock-8      140.00       126.00  -10.00%
BenchmarkSemaWorkNonblock-16     117.00       116.00   -0.85%
BenchmarkSemaWorkBlock           810.00       811.00   +0.12%
BenchmarkSemaWorkBlock-2         454.00       466.00   +2.64%
BenchmarkSemaWorkBlock-4         243.00       241.00   -0.82%
BenchmarkSemaWorkBlock-8         145.00       137.00   -5.52%
BenchmarkSemaWorkBlock-16        132.00       123.00   -6.82%
BenchmarkContendedSemaphore      123.00       102.00  -17.07%
BenchmarkContendedSemaphore-2     34.80        34.90   +0.29%
BenchmarkContendedSemaphore-4     34.70        34.80   +0.29%
BenchmarkContendedSemaphore-8     34.70        34.70   +0.00%
BenchmarkContendedSemaphore-16    34.80        34.70   -0.29%
BenchmarkMutex                    26.80        26.00   -2.99%
BenchmarkMutex-2                 108.00        45.20  -58.15%
BenchmarkMutex-4                 103.00       127.00  +23.30%
BenchmarkMutex-8                 109.00       147.00  +34.86%
BenchmarkMutex-16                102.00       152.00  +49.02%
BenchmarkMutexSlack               27.00        26.90   -0.37%
BenchmarkMutexSlack-2            149.00       165.00  +10.74%
BenchmarkMutexSlack-4            121.00       209.00  +72.73%
BenchmarkMutexSlack-8            101.00       158.00  +56.44%
BenchmarkMutexSlack-16            97.00       129.00  +32.99%
BenchmarkMutexWork               792.00       794.00   +0.25%
BenchmarkMutexWork-2             407.00       409.00   +0.49%
BenchmarkMutexWork-4             220.00       209.00   -5.00%
BenchmarkMutexWork-8             267.00       160.00  -40.07%
BenchmarkMutexWork-16            315.00       300.00   -4.76%
BenchmarkMutexWorkSlack          792.00       793.00   +0.13%
BenchmarkMutexWorkSlack-2        406.00       404.00   -0.49%
BenchmarkMutexWorkSlack-4        225.00       212.00   -5.78%
BenchmarkMutexWorkSlack-8        268.00       136.00  -49.25%
BenchmarkMutexWorkSlack-16       300.00       300.00   +0.00%
BenchmarkRWMutexWrite100          27.10        27.00   -0.37%
BenchmarkRWMutexWrite100-2        33.10        40.80  +23.26%
BenchmarkRWMutexWrite100-4       113.00        88.10  -22.04%
BenchmarkRWMutexWrite100-8       119.00        95.30  -19.92%
BenchmarkRWMutexWrite100-16      148.00       109.00  -26.35%
BenchmarkRWMutexWrite10           29.60        29.40   -0.68%
BenchmarkRWMutexWrite10-2        111.00        61.40  -44.68%
BenchmarkRWMutexWrite10-4        270.00       208.00  -22.96%
BenchmarkRWMutexWrite10-8        204.00       185.00   -9.31%
BenchmarkRWMutexWrite10-16       261.00       190.00  -27.20%
BenchmarkRWMutexWorkWrite100    1040.00      1036.00   -0.38%
BenchmarkRWMutexWorkWrite100-2   593.00       580.00   -2.19%
BenchmarkRWMutexWorkWrite100-4   470.00       365.00  -22.34%
BenchmarkRWMutexWorkWrite100-8   468.00       289.00  -38.25%
BenchmarkRWMutexWorkWrite100-16  604.00       374.00  -38.08%
BenchmarkRWMutexWorkWrite10      951.00       951.00   +0.00%
BenchmarkRWMutexWorkWrite10-2   1001.00       928.00   -7.29%
BenchmarkRWMutexWorkWrite10-4   1555.00      1006.00  -35.31%
BenchmarkRWMutexWorkWrite10-8   2085.00      1171.00  -43.84%
BenchmarkRWMutexWorkWrite10-16  2082.00      1614.00  -22.48%

R=rsc, iant, msolo, fw, iant
CC=golang-dev
https://golang.org/cl/4711045
 2011-07-29 12:44:06 -04:00
Russ Cox
bed7e3ed78 gc: fix pprof deadlock 
Fixes #2051.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4834041
 2011-07-28 21:03:40 -04:00
Russ Cox
032ffb2e90 gc: more graceful errors during struct definition 
Fixes #2110.

R=ken2
CC=golang-dev
https://golang.org/cl/4823060
 2011-07-28 20:41:18 -04:00
Rob Pike
33a4da89d3 exp/template: fix build 
TBR=gri

R=gri
CC=golang-dev
https://golang.org/cl/4815070
 2011-07-28 16:46:32 -07:00
Russ Cox
71ba47ac9e build: fix noclobber 
I got it backwards last time, and somehow
that was leaking into the parent shell?

R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/4826054
 2011-07-28 19:38:14 -04:00
Rob Pike
1b4dff0f69 exp/template: simplify the helper functions 
- create a pair of "Must" functions, one for templates, one for sets
- regularize the return values of the parsers so they can be wrapped by Must
- delete all the old Must functions and methods.

R=golang-dev, gri, r
CC=golang-dev
https://golang.org/cl/4826052
 2011-07-28 16:19:16 -07:00
Russ Cox
28a23675cd 5g, 6g, 8g: shift, opt fixes 
Fixes #1808.

R=ken2
CC=golang-dev
https://golang.org/cl/4813052
 2011-07-28 18:22:12 -04:00
Russ Cox
8c23c1ab87 5g: defer vs optimizer bug 
Fixes #1924.

R=ken2
CC=golang-dev
https://golang.org/cl/4802063
 2011-07-28 16:28:23 -04:00
Andrew Balholm
3de6228aea http: make serveFile redirects relative to work with StripPrefix 
serveFile was using absolute redirects, which didn't work under StripPrefix.
Now it uses relative redirects.

R=golang-dev, rsc, bradfitz
CC=golang-dev, kevlar
https://golang.org/cl/4789042
 2011-07-28 11:43:16 -07:00
Russ Cox
08bfb39515 6g, 8g: divide corner case 
Fixes #1772.

R=ken2
CC=golang-dev
https://golang.org/cl/4798062
 2011-07-28 14:18:22 -04:00
Russ Cox
fe206e63ca build: handle spaces in $USER 
Fixes #2107.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4830042
 2011-07-28 13:04:52 -04:00
Russ Cox
e0d6f95069 build: update all-qemu.bash 
nothing but GOARCH=arm makes sense.
http/cgi uses network too.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4800053
 2011-07-28 13:04:30 -04:00
Russ Cox
4389192669 gc: shift type bug 
Fixes #1664.

R=ken2
CC=golang-dev
https://golang.org/cl/4798056
 2011-07-28 13:03:30 -04:00
Roger Peppe
ca68b2810d exp/template: make Set.ParseFile etc resolve functions in the Set 
Fixes #2114

R=r
CC=golang-dev
https://golang.org/cl/4823056
 2011-07-28 09:59:20 -07:00
Russ Cox
db9229def8 cgo: add GoBytes, fix gmp example 
Fixes #1640.
Fixes #2007.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4815063
 2011-07-28 12:39:50 -04:00
Russ Cox
acb02ebc30 gc: another width test 
R=ken2
CC=golang-dev
https://golang.org/cl/4808057
 2011-07-28 12:32:43 -04:00
Russ Cox
2f8190a8f8 gc: line number + type checking nits 
Fixes #1910.
Fixes #1979.
Fixes #1990.
Fixes #1993.
Fixes #2089.

R=ken2
CC=golang-dev
https://golang.org/cl/4828046
 2011-07-28 12:31:16 -04:00
Roger Peppe
3041f2a37c exp/template: make Set.MustParse* methods return the set. 
This brings them into line with the Template.MustParse* methods
and makes it possible to use them in global variable initializations.

R=r
CC=golang-dev
https://golang.org/cl/4798059
 2011-07-28 08:41:06 -07:00
Alex Brainman
fa249cae38 ld: remove cseekend and redo pe writing 
Simplify code and add more checks.

Fixes #2105.

R=rsc
CC=golang-dev
https://golang.org/cl/4794060
 2011-07-28 14:30:52 +10:00
Rob Pike
5a52c6ad29 rpc and exp/template: simplify tests for exported items 
Fix code to count mallocs - needed to call UpdateMemStats.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4823055
 2011-07-27 21:26:16 -07:00
Benny Siegert
a65f4ccb89 image/tiff: Do not panic when RowsPerStrip is missing. 
The RowsPerStrip tag is mandatory according to the spec. However,
Mac OS sometimes (?) omits it. I managed to create such an image
by applying "tiffutil -none" on a compressed image.

If RowsPerStrip is 0, there was a division by zero in the decoder.
Assume that the image is a single strip in this case.

R=nigeltao, bradfitz
CC=golang-dev
https://golang.org/cl/4815061
 2011-07-28 11:15:59 +10:00
Russ Cox
890bdc5339 gc: top-level closure bug 
Fixes #2055.

R=ken2
CC=golang-dev
https://golang.org/cl/4816059
 2011-07-27 19:31:11 -04:00
Russ Cox
f91eb3c2f9 gc: composite literal double eval bug 
Fixes #2086.

R=ken2
CC=golang-dev
https://golang.org/cl/4803055
 2011-07-27 18:55:30 -04:00
Rob Pike
5ea413e2a0 unicode: fix case-mapping for roman numerals!! 
Hurray!
Also fix the mystical U+0345 COMBINING GREEK YPOGEGRAMMENI,
so everyone is satisfied.
Also add a -local flag to use local files for faster turnaround
when debugging.

R=rsc
CC=golang-dev
https://golang.org/cl/4825054
 2011-07-27 15:54:23 -07:00
John Asmuth
2f4632febc container/vector: removed some uses of container/vector in other pkgs 
R=gri
CC=golang-dev
https://golang.org/cl/4823054
 2011-07-27 15:23:42 -07:00
Andrew Gerrand
22f71cde6a A+C: John Asmuth 
R=golang-dev, gri
CC=golang-dev
https://golang.org/cl/4827045
 2011-07-27 15:23:14 -07:00
Robert Griesemer
d7a0e0e6a2 godoc: app engine configuration and updated documentation 
Also: Fixed an error message in zip.go.

R=r, dsymonds
CC=golang-dev
https://golang.org/cl/4816053
 2011-07-27 15:14:12 -07:00
Russ Cox
1bd4b6371a gc: use more Go-like names for methods 
Fixes #991.

R=ken2
CC=golang-dev
https://golang.org/cl/4819049
 2011-07-27 17:56:13 -04:00
Russ Cox
112267d55e gc: diagnose (x) := 0 
Fixes #1756.

R=ken2
CC=golang-dev
https://golang.org/cl/4810057
 2011-07-27 17:39:30 -04:00
Russ Cox
db3088a37c build: fix for noclobber users 
Fixes #2020.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4814056
 2011-07-27 17:38:39 -04:00
Russ Cox
a84abbe508 gc: zero-width struct, zero-length array fixes 
Fixes #1774.
Fixes #2095.
Fixes #2097.

R=ken2
CC=golang-dev
https://golang.org/cl/4826046
 2011-07-27 16:47:45 -04:00
Russ Cox
dec8009fe8 gc: iota outside const 
Fixes #1662.

R=ken2
CC=golang-dev
https://golang.org/cl/4828045
 2011-07-27 14:45:27 -04:00
Russ Cox
49b70d01c0 gc: echo literal in error message 
Fixes #1192.

R=ken2
CC=golang-dev
https://golang.org/cl/4794062
 2011-07-27 14:36:21 -04:00
Russ Cox
100a034120 runtime: higher goroutine arg limit, clearer error 
Fixes #591.

R=ken2
CC=golang-dev
https://golang.org/cl/4803054
 2011-07-27 12:41:46 -04:00