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Commit Graph

9252 Commits

Author SHA1 Message Date
Robert Griesemer
4c03bf9c59 godoc: fix zip file directory lookup
Also: remove left-over println calls.

R=bradfitz
CC=golang-dev
https://golang.org/cl/4807042
2011-07-20 16:22:13 -07:00
Andrew Balholm
816c972ff0 html: handle character entities without semicolons
Fix the TODO: unescape("&notit;") should be "¬it;"

Also accept digits in entity names.

R=nigeltao
CC=golang-dev, rsc
https://golang.org/cl/4781042
2011-07-21 09:10:49 +10:00
David Symonds
78c89d21bc http: sniffing algorithm.
This follows draft-ietf-websec-mime-sniff-03 in its intent,
though not its algorithmic specification.

R=rsc
CC=golang-dev
https://golang.org/cl/4746042
2011-07-21 08:38:35 +10:00
Mike Solomon
7911965fe9 io/ioutil: improve performance of ioutil.Discard
Fixes #2084.

R=bradfitz, rsc
CC=golang-dev
https://golang.org/cl/4817041
2011-07-20 14:34:49 -07:00
Brad Fitzpatrick
125419a250 CONTRIBUTORS: add Mike Solomon (Google CLA)
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4818041
2011-07-20 13:30:46 -07:00
Brad Fitzpatrick
bf768294ed os: point readers at the exec package
R=golang-dev, evan, rsc
CC=golang-dev
https://golang.org/cl/4802046
2011-07-20 11:38:18 -07:00
Dmitriy Vyukov
102b5b34a7 runtime: apply minor tweaks to channels
Remove complicated PRNG algorithm
(argument is limited by uint16 and can't be <= 1).
Do not require chansend/chanrecv selgen to be bumped with CAS.

R=rsc, ken
CC=golang-dev
https://golang.org/cl/4816041
2011-07-20 14:28:55 -04:00
Dmitriy Vyukov
90f3cb13fb runtime: improve performance of sync channels
1. SudoG always contains a pointer to the element
(thus no variable size, and less copying).
2. chansend/chanrecv allocate SudoG on the stack.
3. Copying of elements and gorotuine notifications
are moved out of critical sections.

benchmark                        old ns/op    new ns/op    delta
BenchmarkSelectUncontended          515.00       514.00   -0.19%
BenchmarkSelectUncontended-2        291.00       281.00   -3.44%
BenchmarkSelectUncontended-4        213.00       189.00  -11.27%
BenchmarkSelectUncontended-8         78.30        79.00   +0.89%
BenchmarkSelectContended            518.00       514.00   -0.77%
BenchmarkSelectContended-2          655.00       631.00   -3.66%
BenchmarkSelectContended-4         1026.00      1051.00   +2.44%
BenchmarkSelectContended-8         2026.00      2128.00   +5.03%
BenchmarkSelectNonblock             175.00       173.00   -1.14%
BenchmarkSelectNonblock-2            85.10        87.70   +3.06%
BenchmarkSelectNonblock-4            60.10        43.30  -27.95%
BenchmarkSelectNonblock-8            37.60        25.50  -32.18%
BenchmarkChanUncontended            109.00       114.00   +4.59%
BenchmarkChanUncontended-2           54.60        57.20   +4.76%
BenchmarkChanUncontended-4           27.40        28.70   +4.74%
BenchmarkChanUncontended-8           14.60        15.10   +3.42%
BenchmarkChanContended              108.00       114.00   +5.56%
BenchmarkChanContended-2            621.00       617.00   -0.64%
BenchmarkChanContended-4            759.00       677.00  -10.80%
BenchmarkChanContended-8           1635.00      1517.00   -7.22%
BenchmarkChanSync                   299.00       256.00  -14.38%
BenchmarkChanSync-2                5055.00      4624.00   -8.53%
BenchmarkChanSync-4                4998.00      4680.00   -6.36%
BenchmarkChanSync-8                5019.00      4760.00   -5.16%
BenchmarkChanProdCons0              316.00       274.00  -13.29%
BenchmarkChanProdCons0-2           1280.00       617.00  -51.80%
BenchmarkChanProdCons0-4           2433.00      1332.00  -45.25%
BenchmarkChanProdCons0-8           3651.00      1934.00  -47.03%
BenchmarkChanProdCons10             153.00       152.00   -0.65%
BenchmarkChanProdCons10-2           626.00       581.00   -7.19%
BenchmarkChanProdCons10-4          1440.00      1323.00   -8.12%
BenchmarkChanProdCons10-8          2036.00      2017.00   -0.93%

R=rsc, ken
CC=golang-dev
https://golang.org/cl/4790042
2011-07-20 11:51:25 -04:00
Gustavo Niemeyer
ba2e3af177 ld: remove overlap of ELF sections on dynamic binaries
The dynamic ELF sections were pointing to the proper data,
but that data was already owned by the rodata and text sections.
Some ELF references explicitly prohibit multiple sections from
owning the same data, and strip behaves accordingly.

The data for these sections was moved out and their ranges are
now owned by their respective sections.  This change makes strip
happy both with and without -s being provided at link time.

A test was added in debug/elf to ensure there are no regressions
on this area in the future.

Fixes #1242.
Fixes #2022.

NOTE: Tested on Linux amd64/386/arm only.

R=rsc
CC=golang-dev
https://golang.org/cl/4808043
2011-07-20 12:47:02 -03:00
Russ Cox
971459e826 net/textproto: fix build
R=bradfitz
CC=golang-dev
https://golang.org/cl/4815041
2011-07-20 11:41:41 -04:00
Russ Cox
27a3dcd0d2 net/textproto: avoid 1 copy in ReadLine, ReadContinuedLine
Fixes #2083.

R=msolo, bradfitz
CC=golang-dev
https://golang.org/cl/4812042
2011-07-20 11:11:57 -04:00
Marcel van Lohuizen
df07b6d14a exp/norm: API for normalization library.
R=r, r, mpvl, rsc
CC=golang-dev
https://golang.org/cl/4678041
2011-07-20 19:46:05 +10:00
Andrew Gerrand
dbba5ccfab gobuilder: goinstall with -dashboard=false instead of -log=false
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4801043
2011-07-20 16:07:40 +10:00
Andrew Gerrand
40462453c6 tag weekly.2011-07-19
R=r
CC=golang-dev
https://golang.org/cl/4802043
2011-07-20 15:48:36 +10:00
Andrew Gerrand
50ddb98b24 weekly.2011-07-19
R=golang-dev, nigeltao, dsymonds, r
CC=golang-dev
https://golang.org/cl/4801042
2011-07-20 15:45:55 +10:00
Andrew Gerrand
48d1240e51 misc/dashboard: center align build results
R=rsc, dsymonds
CC=golang-dev
https://golang.org/cl/4806041
2011-07-20 11:22:56 +10:00
Rob Pike
62f618a22c sync/atomic: delete workaround
Load seems to work on arm now.

R=dsymonds
CC=golang-dev
https://golang.org/cl/4795042
2011-07-20 08:39:24 +10:00
Robert Griesemer
8930ce2dc1 godoc: implement http.FileSystem for zip files
R=rsc, adg, bradfitz
CC=golang-dev
https://golang.org/cl/4750047
2011-07-19 08:22:20 -07:00
Lucio De Re
b546f50716 runtime: make goc2c build on Plan 9
pkg/runtime/Makefile:
. Adjusted so "goc2c.c" is built using the Plan 9 libraries.

pkg/runtime/goc2c.c:
. Added/subtracted #include headers to correspond to Plan 9
  toolkit.
. Changed fprintf(stderr,...)/exit() combinations to
  sysfatal() calls, adjusted the "%u" format to "%ud".
. Added exits(0) at the end of main().
. Made main() a void-returning function and removed the
  "return 0" at the end of it.

Tested on UBUNTU and Plan 9 only.

R=r, rsc
CC=golang-dev
https://golang.org/cl/4626093
2011-07-19 11:04:33 -04:00
Russ Cox
025abd530e runtime: faster entersyscall, exitsyscall
Uses atomic memory accesses to avoid the need to acquire
and release schedlock on fast paths.

benchmark                            old ns/op    new ns/op    delta
runtime_test.BenchmarkSyscall               73           31  -56.63%
runtime_test.BenchmarkSyscall-2            538           74  -86.23%
runtime_test.BenchmarkSyscall-3            508          103  -79.72%
runtime_test.BenchmarkSyscall-4            721           97  -86.52%
runtime_test.BenchmarkSyscallWork          920          873   -5.11%
runtime_test.BenchmarkSyscallWork-2        516          481   -6.78%
runtime_test.BenchmarkSyscallWork-3        550          343  -37.64%
runtime_test.BenchmarkSyscallWork-4        632          263  -58.39%

(Intel Core i7 L640 2.13 GHz-based Lenovo X201s)

Reduced a less artificial server benchmark
from 11.5r 12.0u 8.0s to 8.3r 9.1u 1.0s.

R=dvyukov, r, bradfitz, r, iant, iant
CC=golang-dev
https://golang.org/cl/4723042
2011-07-19 11:01:17 -04:00
Wei Guangjing
9f636598ba cgo: windows amd64 port
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4725041
2011-07-19 10:47:33 -04:00
Dmitriy Vyukov
0b200b4d09 sync/atomic: fix LoadInt32 on ARM
R0 is clobbered after cas,
while R1 preserves its value.

R=golang-dev
CC=golang-dev
https://golang.org/cl/4782042
2011-07-19 22:10:07 +10:00
Rob Pike
3bbeef5201 sync/atomic: attempt to get the arm build green.
Disable the LoadInt32 and LoadUint32 tests, since they fail.
These should be fixed but we want to get through the rest of the build
to see if something else unrelated is broken.  The arm build has been
bad for a long time.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4780041
2011-07-19 17:06:13 +10:00
Tarmigan Casebolt
a0d3be1689 goinstall, dashboard: Google Code now supports git
R=golang-dev, adg, rsc, tarmigan+golang
CC=golang-dev
https://golang.org/cl/4760055
2011-07-19 16:58:18 +10:00
Rob Pike
423ab2333a 5l: fix arm linker bug introduced by 4742041
Should fix the arm build.

R=golang-dev, dsymonds, adg
CC=golang-dev
https://golang.org/cl/4777041
2011-07-19 15:44:25 +10:00
Andrew Gerrand
894222f9de doc/talks/io2010: handle the errors
R=golang-dev, dsymonds, dsymonds, r
CC=golang-dev
https://golang.org/cl/4771041
2011-07-19 14:10:12 +10:00
Alex Brainman
42effdf096 go/build: fixes for windows paths
R=golang-dev, mattn.jp, adg
CC=golang-dev
https://golang.org/cl/4746047
2011-07-19 14:02:23 +10:00
Robert Griesemer
98f5fc5e86 archive/zip: support functions to get modified time in ns from MS-DOS time
R=rsc, r, bradfitz, r, adg
CC=golang-dev
https://golang.org/cl/4748056
2011-07-18 20:30:44 -07:00
Alex Brainman
208e6e6dfc exp/wingui: make sure it builds again
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4770041
2011-07-19 13:18:21 +10:00
Rob Pike
a5a94f5d57 gif: fix local color map and coordinates
R=nigeltao
CC=golang-dev
https://golang.org/cl/4759051
2011-07-19 11:47:15 +10:00
Andrew Gerrand
7a18fc3bcb dashboard: list "most installed this week" with rolling count
R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/4631085
2011-07-19 11:12:10 +10:00
Robert Griesemer
95117d30a2 time: typo in documentation
R=r
CC=golang-dev
https://golang.org/cl/4763048
2011-07-18 17:54:32 -07:00
Hector Chu
47e6042f73 runtime: fix select pass 3
Fixes #2075

R=rsc, ken, r
CC=golang-dev
https://golang.org/cl/4748045
2011-07-18 16:15:01 -04:00
Russ Cox
bd77619142 runtime: track running goroutine count
Used to use mcpu+msyscall but that's
problematic for packing into a single
atomic word.  The running goroutine count
(where running == Go code or syscall)
can be maintained separately, always
manipulated under lock.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4767041
2011-07-18 15:50:55 -04:00
Dmitriy Vyukov
27753ff108 runtime: add per-M caches for MemStats
Avoid touching centralized state during
memory manager operations.

R=mirtchovski
CC=golang-dev, rsc
https://golang.org/cl/4766042
2011-07-18 14:56:22 -04:00
Dmitriy Vyukov
66d5c9b1e9 runtime: add per-M caches for MemStats
Avoid touching centralized state during
memory manager opreations.

R=rsc
CC=golang-dev
https://golang.org/cl/4766042
2011-07-18 14:52:57 -04:00
Ian Lance Taylor
257df1719d debug/proc: Remove.
The package was always GNU/Linux specific, and is no longer
used by anything now that exp/ogle has been removed.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4757049
2011-07-18 09:55:09 -07:00
Dmitriy Vyukov
ee6e1a3ff7 sync: add fast paths to WaitGroup
benchmark                                        old ns/op    new ns/op    delta
BenchmarkWaitGroupUncontended                        93.50        33.60  -64.06%
BenchmarkWaitGroupUncontended-2                      44.30        16.90  -61.85%
BenchmarkWaitGroupUncontended-4                      21.80         8.47  -61.15%
BenchmarkWaitGroupUncontended-8                      12.10         4.86  -59.83%
BenchmarkWaitGroupUncontended-16                      7.38         3.35  -54.61%
BenchmarkWaitGroupAddDone                            58.40        33.70  -42.29%
BenchmarkWaitGroupAddDone-2                         293.00        85.80  -70.72%
BenchmarkWaitGroupAddDone-4                         243.00        51.10  -78.97%
BenchmarkWaitGroupAddDone-8                         236.00        52.20  -77.88%
BenchmarkWaitGroupAddDone-16                        215.00        43.30  -79.86%
BenchmarkWaitGroupAddDoneWork                       826.00       794.00   -3.87%
BenchmarkWaitGroupAddDoneWork-2                     450.00       424.00   -5.78%
BenchmarkWaitGroupAddDoneWork-4                     277.00       220.00  -20.58%
BenchmarkWaitGroupAddDoneWork-8                     440.00       116.00  -73.64%
BenchmarkWaitGroupAddDoneWork-16                    569.00        66.50  -88.31%
BenchmarkWaitGroupWait                               29.00         8.04  -72.28%
BenchmarkWaitGroupWait-2                             74.10         4.15  -94.40%
BenchmarkWaitGroupWait-4                            117.00         2.30  -98.03%
BenchmarkWaitGroupWait-8                            111.00         1.31  -98.82%
BenchmarkWaitGroupWait-16                           104.00         1.27  -98.78%
BenchmarkWaitGroupWaitWork                          802.00       792.00   -1.25%
BenchmarkWaitGroupWaitWork-2                        411.00       401.00   -2.43%
BenchmarkWaitGroupWaitWork-4                        210.00       199.00   -5.24%
BenchmarkWaitGroupWaitWork-8                        206.00       105.00  -49.03%
BenchmarkWaitGroupWaitWork-16                       334.00        54.40  -83.71%

R=rsc
CC=golang-dev
https://golang.org/cl/4672050
2011-07-18 12:35:55 -04:00
Russ Cox
92c6061b5c 5l: assume Linux binary, not Plan 9
R=bradfitz
CC=golang-dev
https://golang.org/cl/4767042
2011-07-18 12:30:10 -04:00
Brad Fitzpatrick
3745716bc3 http: let FileServer work when path doesn't begin with a slash
... as when it's over-stripped with StripPrefix.

R=golang-dev, andybalholm, rsc
CC=golang-dev
https://golang.org/cl/4759052
2011-07-18 09:04:48 -07:00
Russ Cox
caa5647408 ld: allow seek within write buffer
Reduces number of write+seek's from 88516 to 2080
when linking godoc with 6l.

Thanks to Alex Brainman for pointing out the
many small writes.

R=golang-dev, r, alex.brainman, robert.hencke
CC=golang-dev
https://golang.org/cl/4743043
2011-07-18 12:04:09 -04:00
Albert Strasheim
870fdd760a syscall: Parse and encode SCM_RIGHTS and SCM_CREDENTIALS.
R=rsc, agl, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/4667066
2011-07-18 11:21:59 -04:00
Dmitriy Vyukov
c1f035ba4c runtime: fix data race in Plan9 sysalloc
Add mutex to protect brk limit.
Add mstats.sys update.

R=rsc
CC=golang-dev
https://golang.org/cl/4762045
2011-07-18 10:50:04 -04:00
Brad Fitzpatrick
e8689404a7 cgo: add missing semicolon in generated struct
This affected certain signatures needing padding
like:

//export Foo
func Foo() (int, C.long) { ... }

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4745047
2011-07-18 07:23:52 -07:00
Dave Cheney
c945d9c8a1 gc: fix silent sign truncation in pgen.c
Fixes #2076.

R=golang-dev, r, r, dsymonds, lucio.dere
CC=golang-dev
https://golang.org/cl/4744047
2011-07-18 21:09:28 +10:00
Rob Pike
9a5bb287e8 exp/template: dig into empty interfaces so a struct (say) stored in an empty
interface field can be unpacked. We don't have type assertions here so we
must be forthright.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/4757047
2011-07-18 17:34:42 +10:00
Andrew Gerrand
ab55133ca9 doc: fix padding on h1 tags
See /doc/codewalk/sharemem/ for an example of how it's broken.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4742044
2011-07-18 17:30:00 +10:00
Alex Brainman
3c4ca95da9 path/filepath: fixes for windows paths
- Clean and IsAbs to handle paths with drive letter properly.
- Clean to replace / with \.

R=golang-dev, adg
CC=golang-dev, mattn.jp
https://golang.org/cl/4758051
2011-07-18 17:08:12 +10:00
Nigel Tao
95323c59ea runtime: fix panic for make(chan [0]byte).
I suspect that this was introduced by
http://code.google.com/p/go/source/detail?r=6e4ee32fffd1

R=r
CC=golang-dev
https://golang.org/cl/4764045
2011-07-18 15:54:11 +10:00
David Symonds
a8e0035bd3 http: drain the pipe output in TestHandlerPanic to avoid logging deadlock.
R=r
CC=golang-dev
https://golang.org/cl/4756047
2011-07-18 12:59:16 +10:00