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Author SHA1 Message Date
Rob Pike
fc1f0bd5e9 exp/template: allow range actions to declare a key and element variable. 
{{range $key, $element := pipeline}}
This CL is smaller than it looks due to some rearrangement and renaming.

R=rsc, r
CC=golang-dev
https://golang.org/cl/4709047
 2011-07-14 13:15:55 +10:00
Russ Cox
aec89c4c40 mime: fix build 
R=bradfitz
CC=golang-dev
https://golang.org/cl/4695060
 2011-07-13 20:04:12 -07:00
David Symonds
a16ad6fe0f exp/template: escape < and > in JS escaper. 
Angle brackets can trigger some browser sniffers,
causing some output to be interpreted as HTML.
Escaping angle brackets closes that security hole.

R=r
CC=golang-dev
https://golang.org/cl/4714044
 2011-07-14 12:02:58 +10:00
Rob Pike
dfffc7a5d5 exp/template: include function name in error returned by function or method call. 
R=golang-dev, rsc, r
CC=golang-dev
https://golang.org/cl/4711049
 2011-07-14 11:32:06 +10:00
Rob Pike
19e207d24d exp/template: simplify method and function calls by using the value's Method 
rather than the type's, so a method's invocation works the same as a function's.

R=golang-dev, rsc, r
CC=golang-dev
https://golang.org/cl/4704049
 2011-07-14 11:00:23 +10:00
Mikio Hara
689a2ec8c3 json: allow using '$' and '-' as the struct field's tag 
R=adg, rsc, bradfitz, mattn.jp, gustavo
CC=golang-dev
https://golang.org/cl/4625081
 2011-07-13 17:41:33 -07:00
Rob Pike
125e8277d5 reflect: trivial addition: Value.NumMethod. 
Just an oversight it was missing.

R=rsc, dsymonds, bradfitz, r
CC=golang-dev
https://golang.org/cl/4695059
 2011-07-14 10:38:15 +10:00
Yuval Pavel Zholkover
0bf36ce8fb os: Plan 9: add Process.Signal as a way to send notes. 
Move the Signal interface from exec_posix.go to exec.go.
Remove some unsused code from file_plan9.go.

R=fshahriar, rsc
CC=golang-dev
https://golang.org/cl/4683044
 2011-07-13 16:29:37 -07:00
Alex Brainman
dde435587d runtime: correct FixedStack value (fixes windows build) 
Fixes #2068.

R=rsc
CC=golang-dev
https://golang.org/cl/4705046
 2011-07-14 09:13:39 +10:00
Lucio De Re
3f2cc8ba7e cc: fixes for Plan 9 build 
<ctype.h> has been moved into <u.h>, specifically to be able to
drop it from these modules.

Will someone check platforms other than UBUNTU/386, please?

R=bsiegert, rsc
CC=golang-dev
https://golang.org/cl/4648078
 2011-07-13 16:01:29 -07:00
Brad Fitzpatrick
8ba48fb5ca fix build from e904b6784768 breakage 
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4696047
 2011-07-13 15:48:57 -07:00
Russ Cox
aebfd63cd9 syscall: add Flock on Linux 
Fixes #2069.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4703048
 2011-07-13 15:34:36 -07:00
Russ Cox
a16baf0777 syscall: change missing from windows net fixes 
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4701045
 2011-07-13 15:34:21 -07:00
Robert Griesemer
f4acaa8ecd filepath/path: fix a comment 
R=bradfitz
CC=golang-dev
https://golang.org/cl/4704047
 2011-07-13 15:10:50 -07:00
Rob Pike
469e333106 exp/template: tweak behavior of booleans. 
Russ suggested this technique, making the "and" and "or" functions handier.
But it's hacky, and I can be talked out of it.

R=dsymonds, rsc
CC=golang-dev
https://golang.org/cl/4698044
 2011-07-14 07:59:04 +10:00
Rob Pike
c3344d61bd exp/template: allow niladic methods inside chained field references. 
Also really fix the bug about dot vs. receivers.

R=rsc, r
CC=golang-dev
https://golang.org/cl/4705047
 2011-07-14 07:52:07 +10:00
Yasuhiro Matsumoto
2012290c7e http: fix Content-Type of file extension. 
ServeFile() pass empty string to serveFile(). serveFile() should get
file extension via joining root and filename.

R=bradfitz, rsc
CC=golang-dev
https://golang.org/cl/4654089
 2011-07-13 14:39:33 -07:00
Wei Guangjing
350504559e net: windows/amd64 port 
R=rsc, alex.brainman
CC=golang-dev
https://golang.org/cl/3790044
 2011-07-13 12:44:21 -07:00
Matthew Horsnell
932db13e93 debug/elf: Read ELF Program headers. 
NewFile has been fixed to read ELF Program headers into the structs.
Added test coverage.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4628062
 2011-07-13 12:34:29 -07:00
Russ Cox
ceb4377556 A+C: Matthew Horsnell (individual CLA) 
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/4700044
 2011-07-13 12:33:03 -07:00
Wei Guangjing
a6e60916c1 runtime: stdcall_raw stack 16byte align for Win64 
R=alex.brainman, rsc
CC=golang-dev
https://golang.org/cl/4681049
 2011-07-13 11:44:44 -07:00
Dmitriy Vyukov
86a659cad0 runtime: fix data race during Itab hash update/lookup 
The data race is on newly published Itab nodes, which are
both unsafely published and unsafely acquired. It can
break on IA-32/Intel64 due to compiler optimizations
(most likely not an issue as of now) and on ARM due to
hardware memory access reorderings.

R=rsc
CC=golang-dev
https://golang.org/cl/4673055
 2011-07-13 11:22:41 -07:00
Brad Fitzpatrick
dcdaeebdfb docs: fix wrong it's -> its 
R=golang-dev, iant
CC=golang-dev
https://golang.org/cl/4702046
 2011-07-13 10:54:51 -07:00
Sam Thorogood
e3a773479d exp/regexp/syntax: add Prog.NumCap 
R=rsc, r
CC=golang-dev
https://golang.org/cl/4662083
 2011-07-13 10:15:00 -07:00
Robert Griesemer
4c986d86b1 exp/eval, exp/ogle: remove packages eval and ogle 
An externally maintained version of exp/eval can
be found at: https://bitbucket.org/binet/go-eval/ .

R=golang-dev, r, rsc
CC=golang-dev
https://golang.org/cl/4695047
 2011-07-13 09:40:53 -07:00
Bobby Powers
050d839df0 gob: register more slice types 
Without explicitly registering slice types, gob fails to encode
map[string]interface{} instances where the value is a slice,
failing with a message such as:

  gob: type not registered for interface: []string

Fixes #2065.

R=golang-dev, gri, r
CC=golang-dev
https://golang.org/cl/4672056
 2011-07-13 17:12:17 +10:00
Nigel Tao
d360e0213d html: update section references in comments to the latest HTML5 spec. 
R=r
CC=golang-dev
https://golang.org/cl/4699048
 2011-07-13 16:53:02 +10:00
Rob Pike
9415cd1d79 C+A: Bobby Powers <bobbypowers@gmail.com> 
R=golang-dev, dsymonds
CC=bobbypowers, golang-dev
https://golang.org/cl/4695050
 2011-07-13 16:10:12 +10:00
Rob Pike
7aa1a1a64d exp/template: doc and API changes suggested by rsc. 
- template invocation is by string constant only.
- NewSet is gone.
- no global Funcs
- writer is now first arg to Execute

R=rsc, r
CC=golang-dev
https://golang.org/cl/4700043
 2011-07-13 15:58:31 +10:00
Rob Pike
2e9388e321 exp/template: add Set.AddSet and Set.Union. 
Document and test that Set.Parse can be called multiple times.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4703044
 2011-07-13 13:50:05 +10:00
Rob Pike
41efecf51c exp/template: allow variables as template names. 
Just an oversight it wasn't already there.
Thanks to islandberry@live.com for pointing out the omission.

R=golang-dev, dsymonds
CC=golang-dev, islandberry
https://golang.org/cl/4703043
 2011-07-13 13:21:18 +10:00
Rob Pike
c1c8d46d20 go_tutorial: change the way it's generated. 
No longer do we generate HTML from it; instead the input
file is already in HTML but has template invocations to
extract programs from other files.
Delete htmlgen, which is no longer needed.
Add tmpltohtml, which runs the templating code.

R=golang-dev, dsymonds, adg
CC=golang-dev
https://golang.org/cl/4699041
 2011-07-13 13:20:05 +10:00
David Anderson
f1df07bf6a 5l, 6l, 8l: Add a PT_LOAD PHDR entry for the PHDR. 
Per the TIS ELF spec, if a PHDR entry is present in the
program header table, it must be part of the memory image of
the program. Failure to do this makes elflint complain, and
causes some tools that manipulate ELF to crash.

R=iant, rsc
CC=dave, golang-dev
https://golang.org/cl/4650067
 2011-07-12 17:49:55 -07:00
Robert Griesemer
75780f99f4 csv: fix spelling errors in comments 
Fixes #2066.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4699045
 2011-07-12 17:45:29 -07:00
Russ Cox
7318664c22 tag release.r58.1: adds OS X Lion support 
R=adg, dsymonds
CC=golang-dev
https://golang.org/cl/4702043
 2011-07-12 17:44:59 -07:00
Quan Yong Zhai
fe9991e8b2 runtime: replace runtime.mcpy with runtime.memmove 
faster string operations, and more

tested on linux/386

runtime_test.BenchmarkSliceToString                    642          532  -17.13%
runtime_test.BenchmarkStringToSlice                    636          528  -16.98%
runtime_test.BenchmarkConcatString                    1109          897  -19.12%

R=r, iant, rsc
CC=golang-dev
https://golang.org/cl/4674042
 2011-07-12 17:30:40 -07:00
Andrew Gerrand
ba91dac3a9 doc: gofix io2010 demo programs 
R=golang-dev, gri, r, agl
CC=golang-dev
https://golang.org/cl/4696046
 2011-07-13 09:40:49 +10:00
Wei Guangjing
f340b3de5a debug/pe: fixes ImportedSymbols for Win64. 
R=golang-dev, alex.brainman
CC=golang-dev
https://golang.org/cl/4639086
 2011-07-12 11:29:38 -07:00
Robert Hencke
67edf9cb87 gc: make size of struct{} and [0]byte 0 bytes 
Fixes #1949.

R=iant, rsc
CC=golang-dev
https://golang.org/cl/4634124
 2011-07-12 11:12:06 -07:00
Dmitriy Vyukov
86e7323bdf runtime: eliminate false sharing during stack growth 
Remove static variable from runtime·oldstack().
Benchmark results on HP Z600 (2 x Xeon E5620, 8 HT cores, 2.40GHz)
are as follows (with CL 4657091 applied):
benchmark                                        old ns/op    new ns/op    delta
BenchmarkStackGrowth                               1183.00      1180.00   -0.25%
BenchmarkStackGrowth-2                             1249.00      1211.00   -3.04%
BenchmarkStackGrowth-4                              954.00       805.00  -15.62%
BenchmarkStackGrowth-8                              701.00       683.00   -2.57%
BenchmarkStackGrowth-16                             465.00       415.00  -10.75%

R=rsc
CC=golang-dev
https://golang.org/cl/4693042
 2011-07-12 10:56:21 -07:00
Russ Cox
88e0c0517a runtime: fix comment (lost in shuffle) 
TBR=dvyukov
CC=golang-dev
https://golang.org/cl/4710041
 2011-07-12 09:26:05 -07:00
Dmitriy Vyukov
c9152a8568 runtime: eliminate contention during stack allocation 
Standard-sized stack frames use plain malloc/free
instead of centralized lock-protected FixAlloc.
Benchmark results on HP Z600 (2 x Xeon E5620, 8 HT cores, 2.40GHz)
are as follows:
benchmark                                        old ns/op    new ns/op    delta
BenchmarkStackGrowth                               1045.00       949.00   -9.19%
BenchmarkStackGrowth-2                             3450.00       800.00  -76.81%
BenchmarkStackGrowth-4                             5076.00       513.00  -89.89%
BenchmarkStackGrowth-8                             7805.00       471.00  -93.97%
BenchmarkStackGrowth-16                           11751.00       321.00  -97.27%

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4657091
 2011-07-12 09:24:32 -07:00
Dmitriy Vyukov
daaf29cf93 sync: improve RWMutex performance 
The new implementation features wait-free
fast path for readers which significantly improves
performance/scalability on read-mostly workloads.
Benchmark results on HP Z600 (2 x Xeon E5620, 8 HT cores, 2.40GHz)
are as follows:
benchmark                              old ns/op    new ns/op    delta
BenchmarkRWMutexUncontended               179.00        96.60  -46.03%
BenchmarkRWMutexUncontended-2              89.10        49.10  -44.89%
BenchmarkRWMutexUncontended-4              44.70        24.70  -44.74%
BenchmarkRWMutexUncontended-8              23.30        12.90  -44.64%
BenchmarkRWMutexUncontended-16             16.80         8.75  -47.92%
BenchmarkRWMutexWrite100                   79.60        26.80  -66.33%
BenchmarkRWMutexWrite100-2                305.00        33.00  -89.18%
BenchmarkRWMutexWrite100-4                245.00       113.00  -53.88%
BenchmarkRWMutexWrite100-8                330.00       147.00  -55.45%
BenchmarkRWMutexWrite100-16               371.00       152.00  -59.03%
BenchmarkRWMutexWrite10                    78.30        29.80  -61.94%
BenchmarkRWMutexWrite10-2                 348.00       165.00  -52.59%
BenchmarkRWMutexWrite10-4                 447.00       199.00  -55.48%
BenchmarkRWMutexWrite10-8                 564.00       180.00  -68.09%
BenchmarkRWMutexWrite10-16                492.00       192.00  -60.98%
BenchmarkRWMutexWorkWrite100             1077.00      1037.00   -3.71%
BenchmarkRWMutexWorkWrite100-2            659.00       596.00   -9.56%
BenchmarkRWMutexWorkWrite100-4            509.00       361.00  -29.08%
BenchmarkRWMutexWorkWrite100-8            603.00       351.00  -41.79%
BenchmarkRWMutexWorkWrite100-16           750.00       607.00  -19.07%
BenchmarkRWMutexWorkWrite10               990.00       951.00   -3.94%
BenchmarkRWMutexWorkWrite10-2            1119.00      1070.00   -4.38%
BenchmarkRWMutexWorkWrite10-4            1300.00      1199.00   -7.77%
BenchmarkRWMutexWorkWrite10-8            1424.00      1291.00   -9.34%
BenchmarkRWMutexWorkWrite10-16           1981.00      1786.00   -9.84%

R=rsc
CC=golang-dev
https://golang.org/cl/4671051
 2011-07-12 09:24:21 -07:00
Rob Pike
4c63129545 effective go: tweak the words about semicolons, parens in control structures, 
and make and new.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4699043
 2011-07-12 23:45:10 +10:00
Adam Langley
9f4c288c16 hash/crc32: add SSE4.2 support 
Using the CRC32 instruction speeds up the Castagnoli computation by
about 20x on a modern Intel CPU.

R=rsc
CC=golang-dev
https://golang.org/cl/4650072
 2011-07-12 09:29:24 -04:00
Alex Brainman
0f8678a747 go/build: include processing of .c files for cgo packages 
R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4696041
 2011-07-12 17:27:07 +10:00
Nigel Tao
851ded9660 image: remove superfluous if condition. 
DrawMask already returns early if r.Empty().

R=r
CC=golang-dev
https://golang.org/cl/4703041
 2011-07-12 17:02:55 +10:00
Nigel Tao
caaa6764fa image: re-organize draw.go. 
There are no behavioral changes, only some copy-and-pastes.

Before, drawFillOver was next to drawCopyOver.

After, drawFillOver is next to drawFillSrc, which is more similar to
drawFillOver than drawCopyOver is.

Similarly, drawCopyOver is now next to drawCopySrc, etc.

R=r
CC=golang-dev
https://golang.org/cl/4695045
 2011-07-12 16:56:29 +10:00
Nigel Tao
8bd5089513 image: change Pix from []FooColor to []uint8. 
Some benchmark numbers below. The image/draw fast-paths show dramatic
improvement, the generic slow-paths show a smaller slow-down.

BEFORE
png.BenchmarkEncodePaletted      200       8203800 ns/op      37.45 MB/s
png.BenchmarkEncodeRGBOpaque         100      26940440 ns/op      45.61 MB/s
png.BenchmarkEncodeRGBA       20      73821000 ns/op      16.65 MB/s
jpeg.BenchmarkEncodeRGBOpaque         50      35598640 ns/op      34.52 MB/s
draw.BenchmarkFillOver	     500	   4024226 ns/op
draw.BenchmarkFillSrc	   10000	    152736 ns/op
draw.BenchmarkCopyOver	     500	   3452824 ns/op
draw.BenchmarkCopySrc	   50000	     73218 ns/op
draw.BenchmarkNRGBAOver	     500	   3941234 ns/op
draw.BenchmarkNRGBASrc	    1000	   2484400 ns/op
draw.BenchmarkYCbCr	    1000	   2609005 ns/op
draw.BenchmarkGlyphOver	    2000	   1169575 ns/op
draw.BenchmarkRGBA	     200	   9031390 ns/op
draw.BenchmarkGenericOver	      50	  34636620 ns/op
draw.BenchmarkGenericMaskOver	     100	  16561150 ns/op
draw.BenchmarkGenericSrc	     100	  13873760 ns/op
draw.BenchmarkGenericMaskSrc	     100	  25198860 ns/op

AFTER
png.BenchmarkEncodePaletted      200       8206600 ns/op      37.43 MB/s
png.BenchmarkEncodeRGBOpaque         100      26129530 ns/op      47.03 MB/s
png.BenchmarkEncodeRGBA       20      75776750 ns/op      16.22 MB/s
jpeg.BenchmarkEncodeRGBOpaque         50      37192940 ns/op      33.04 MB/s
draw.BenchmarkFillOver	     500	   3008134 ns/op
draw.BenchmarkFillSrc	   10000	    154214 ns/op
draw.BenchmarkCopyOver	    1000	   2169988 ns/op
draw.BenchmarkCopySrc	   50000	     73095 ns/op
draw.BenchmarkNRGBAOver	    1000	   2491079 ns/op
draw.BenchmarkNRGBASrc	    2000	   1361244 ns/op
draw.BenchmarkYCbCr	    1000	   2554269 ns/op
draw.BenchmarkGlyphOver	    2000	   1042225 ns/op
draw.BenchmarkRGBA	     100	  10233340 ns/op
draw.BenchmarkGenericOver	      50	  38421560 ns/op
draw.BenchmarkGenericMaskOver	     100	  17521190 ns/op
draw.BenchmarkGenericSrc	     100	  16351200 ns/op
draw.BenchmarkGenericMaskSrc	     100	  26538190 ns/op

R=r
CC=golang-dev
https://golang.org/cl/4675076
 2011-07-12 16:39:38 +10:00
Nigel Tao
6ec6f1ef62 image/draw: add benchmarks. 
R=r
CC=golang-dev
https://golang.org/cl/4695043
 2011-07-12 16:17:02 +10:00