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Commit Graph

9685 Commits

Author SHA1 Message Date
Quan Yong Zhai
dd963ddf05 compress/zlib: minor fixes
R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/6058043
2012-04-21 14:34:42 +10:00
Michael Chaten
32c3a626da runtime: add benchmark for complex128 division
R=golang-dev, dave, rsc
CC=golang-dev, minux.ma
https://golang.org/cl/6070043
2012-04-21 13:24:41 +10:00
Dave Cheney
1f14d45e7d net: fix race between Close and Read
Fixes #3507.

Applied the suggested fix from rsc. If the connection
is in closing state then errClosing will bubble up to
the caller.

The fix has been applied to udp, ip and unix as well as
their code path include nil'ing c.fd on close. Func
tests are available in the linked issue that verified
the bug existed there as well.

R=rsc, fullung, alex.brainman, mikioh.mikioh
CC=golang-dev
https://golang.org/cl/6002053
2012-04-21 10:01:32 +10:00
Andrew Balholm
904c7c8e99 exp/html: more work on inBodyIM
Reorder some cases.
Handle <pre>, <listing>, </form>, </li>, </dd>, </dt>, </h1>, </h2>,
</h3>, </h4>, </h5>, and </h6> tags.

Pass 6 additional tests.

R=golang-dev, nigeltao
CC=golang-dev
https://golang.org/cl/6089043
2012-04-21 09:20:38 +10:00
Ian Lance Taylor
244706bd0f runtime: disable memory profiler in gc_test
This lets the test pass on PPC64 GNU/Linux, which uses a much
larger page size and thus uses more memory to hold blocks
allocated for memory profiling.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6048054
2012-04-20 11:36:06 -07:00
Colby Ranger
a6d4471b2b net/http/httputil: Made reverseproxy test less flaky.
The reverseproxy test depended on the behavior of
runtime.NumGoroutines(), which makes no guarantee when
goroutines are reaped. Instead, modify the flushLoop()
to invoke a callback when it returns, so the exit
from the loop can be tested, instead of the number
of gorountines running.

R=bradfitz
CC=golang-dev
https://golang.org/cl/6068046
2012-04-20 09:31:23 -07:00
Andrew Balholm
eea5a432cb exp/html: start making inBodyIM match the spec
Reorder some start tags.

Improve handling of </body>.
Handle </html>.

Pass 2 additional tests (by handling </html>).

R=golang-dev, nigeltao
CC=golang-dev
https://golang.org/cl/6082043
2012-04-20 15:48:13 +10:00
Andrew Balholm
6791057296 exp/html: ignore null bytes in text
pass one additional test

R=golang-dev, nigeltao
CC=golang-dev
https://golang.org/cl/6048051
2012-04-20 14:25:42 +10:00
Andrew Balholm
7d63ff09a5 exp/html: improve afterHeadIM
Clean up the flow of control.
Fix the TODO for handling <html> tags.
Add a case to ignore doctype declarations.

Pass one additional test.

R=nigeltao
CC=golang-dev
https://golang.org/cl/6072047
2012-04-20 10:48:10 +10:00
Akshat Kumar
49a7da2dd9 syscall: cleanly exit all Go procs on Plan 9
syscall.Exit would originally kill only the calling
Go proc, leaving behind other procs in the
same group. This change makes syscall.Exit call
runtime·exit, which due to CL
https://golang.org/cl/5617048
will cleanly exit all the Go procs in the group.

R=golang-dev, rsc, rminnich, remyoudompheng, ality, john
CC=golang-dev, mirtchovski
https://golang.org/cl/6036051
2012-04-19 16:31:26 -07:00
Andrew Balholm
fca32f02e9 exp/html: improve InHeadIM
Clean up the flow of control, and add a case for doctype tokens (to
ignore them).

R=nigeltao
CC=golang-dev
https://golang.org/cl/6069045
2012-04-20 09:08:58 +10:00
Shenghou Ma
acb550504f net/http: add example for FileServer to mention StripPrefix
Fixes #3530.

R=golang-dev, rsc, bradfitz
CC=golang-dev
https://golang.org/cl/6032052
2012-04-20 00:41:10 +08:00
Andrew Balholm
c88ca5906c exp/html: add parseImpliedToken method to parser
This method will allow us to be explicit about what we're doing when
we insert an implied token, and avoid repeating the logic involved in
multiple places.

R=nigeltao
CC=golang-dev
https://golang.org/cl/6060048
2012-04-19 11:48:17 +10:00
Colby Ranger
5694ebf057 net/http/httputil: Clean up ReverseProxy maxLatencyWriter goroutines.
When FlushInterval is specified on ReverseProxy, the ResponseWriter is
wrapped with a maxLatencyWriter that periodically flushes in a
goroutine. That goroutine was not being cleaned up at the end of the
request. This resulted in a panic when Flush() was being called on a
ResponseWriter that was closed.

The code was updated to always send the done message to the flushLoop()
goroutine after copying the body. Futhermore, the code was refactored to
allow the test to verify the maxLatencyWriter behavior.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/6033043
2012-04-18 11:33:02 -07:00
Adam Langley
6742d0a085 encoding/asn1: allow lengths up to the maximum int value.
Previously we capped lengths at 2**24 rather than 2**31.

R=golang-dev, r, r
CC=golang-dev
https://golang.org/cl/6050050
2012-04-18 13:41:11 -04:00
Andrew Balholm
b65c9a633e exp/html: improve beforeHeadIM
Add a case to ignore doctype tokens.

Clean up the flow of control to more clearly match the spec.

Pass one more test.

R=nigeltao
CC=golang-dev
https://golang.org/cl/6062047
2012-04-18 22:45:36 +10:00
Andrew Balholm
b39bbf1e5b exp/html: adjust beforeHTMLIM to match spec
Add case for doctype tokens (which are ignored).

This CL does not change the status of any tests.

R=golang-dev, nigeltao
CC=golang-dev
https://golang.org/cl/6061047
2012-04-18 13:26:35 +10:00
Brad Fitzpatrick
90aa56f271 os/user: simplify test
Don't require the home directory to exist. Just check
that it returns something.

Fixes #3531

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/6056045
2012-04-17 18:46:35 -07:00
Dave Cheney
b2c6116843 lib9: fix warning under clang 3.1
Fixes #3534.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/6035054
2012-04-18 09:57:00 +10:00
Andrew Balholm
9a6cef8bbf exp/html: more comprehensive tests
Currently, the html package only runs a limited subset of the tests
in the testdata directory. This tends to limit development of the
parser to fixing the bug that causes the first failing test.

This CL gives it the ability to run all the tests and produce a
log showing the status of each test. (It does it when tests are run with
'go test --update-logs') The status is listed as PASS, FAIL, or PARSE
(PARSE means that parsing produced the correct tree, but rendering and
re-parsing does not produce the same tree).

When 'go test' is run without --update-logs, it runs the tests marked
'PASS' in the logs (and the parsing portion of the tests marked 'PARSE').
Thus it will fail if there has been a regression since the last
time the logs were updated.

My goal for this CL is to allow develoment of the html package to
be less test-driven, while still having the advantages of regression
tests. In other words, one can work on any portion of the parser
and quickly see whether he is breaking things or improving them.

Current statistics of the tests:
$ grep ^PASS *.log|wc -l
        1017
$ grep ^PARSE *.log|wc -l
          46
$ grep ^FAIL *.log|wc -l
         181

R=nigeltao
CC=golang-dev
https://golang.org/cl/6031049
2012-04-17 17:17:22 +10:00
David Symonds
b20163e9e4 flag: update style.
R=golang-dev, r, r
CC=golang-dev
https://golang.org/cl/6051044
2012-04-17 16:37:35 +10:00
Anthony Martin
3192cac587 cmd/prof: don't build on Plan 9 for now.
R=golang-dev, bradfitz, akumar
CC=golang-dev
https://golang.org/cl/5629054
2012-04-16 17:36:36 -07:00
Anthony Martin
74607d18c5 os: avoid panic when testing errors on Plan 9
R=golang-dev, bradfitz, akumar
CC=golang-dev
https://golang.org/cl/6017043
2012-04-16 17:36:02 -07:00
Akshat Kumar
4cf577edf9 syscall: fix duplicate fd bug for Plan 9
This change comes from CL 5536043,
created by Andrey Mirtchovski. His
description follows:

"The plan9 exec child handler does not manage
dup-ed fds from the parent correctly: when a
dup-ed file descriptor appears in the child's fd
list it is closed when first encountered and then
subsequent attempt to dup it later in Pass 2 fails,
resulting in 'fork/exec: fd out of range or not
open'."

R=golang-dev, rminnich, ality
CC=golang-dev, mirtchovski, rsc
https://golang.org/cl/6009046
2012-04-16 17:35:15 -07:00
Joel Sing
99fc281743 runtime: update defs for openbsd
Update runtime defs for openbsd. Add struct __tfork, which will be
needed by an upcoming change.

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/6007050
2012-04-17 02:35:41 +10:00
Robert Hencke
c81705f13a time: parse fractional second with single digit
Fixes #3487.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6011050
2012-04-16 11:56:37 +10:00
Shenghou Ma
3180137b86 text/template/parse: fix doc comment
Fixes #3529.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/6037046
2012-04-15 21:50:21 +08:00
Dave Cheney
84ef97b59c strconv: make malloc tests more reliable
Fixes #3495.

I adapted fmt.TestCountMallocs to fix the
existing tests. As the resulting tests did not
appear to belong to either itoa or ftoa I moved
them into their own file.

R=bradfitz, fullung
CC=golang-dev
https://golang.org/cl/5985072
2012-04-14 21:34:08 +10:00
Rémy Oudompheng
061061e77c cmd/6g: restore magic multiply for /=, %=.
Also enables turning /= 2 in a right shift.

Part of issue 2230.

R=rsc
CC=golang-dev, remy
https://golang.org/cl/6012049
2012-04-13 10:12:31 +02:00
Gustavo Niemeyer
e4389c1d30 time: panic if UnixNano is out of range
R=golang-dev, remyoudompheng, dsymonds, gustavo, dchest, r, rsc
CC=golang-dev
https://golang.org/cl/5985059
2012-04-12 22:16:31 -03:00
Rob Pike
a662d3d9a7 fmt: fix crash of %b on huge negative int64
The buffer had 64 bytes but needs one more for the sign.

Fixes #3510.

R=golang-dev, dave, dsymonds
CC=golang-dev
https://golang.org/cl/6011057
2012-04-13 09:28:37 +10:00
Adam Langley
e6e8b72377 crypto/tls: don't always use the default private key.
When SNI based certificate selection is enabled, we previously used
the default private key even if we selected a non-default certificate.

Fixes #3367.

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/5987058
2012-04-12 12:35:21 -04:00
Adam Langley
55af51d5c0 encoding/pem: ignore spaces and tabs at the end of header lines.
Fixes #3502.

R=bradfitz
CC=golang-dev
https://golang.org/cl/6011046
2012-04-12 12:33:52 -04:00
Dmitriy Vyukov
4945fc8e40 runtime: speedup GC sweep phase (batch free)
benchmark                             old ns/op    new ns/op    delta
garbage.BenchmarkParser              4370050250   3779668750  -13.51%
garbage.BenchmarkParser-2            3713087000   3628771500   -2.27%
garbage.BenchmarkParser-4            3519755250   3406349750   -3.22%
garbage.BenchmarkParser-8            3386627750   3319144000   -1.99%

garbage.BenchmarkTree                 493585529    408102411  -17.32%
garbage.BenchmarkTree-2               500487176    402285176  -19.62%
garbage.BenchmarkTree-4               473238882    361484058  -23.61%
garbage.BenchmarkTree-8               486977823    368334823  -24.36%

garbage.BenchmarkTree2                 31446600     31203200   -0.77%
garbage.BenchmarkTree2-2               21469000     21077900   -1.82%
garbage.BenchmarkTree2-4               11007600     10899100   -0.99%
garbage.BenchmarkTree2-8                7692400      7032600   -8.58%

garbage.BenchmarkParserPause          241863263    163249450  -32.50%
garbage.BenchmarkParserPause-2        120135418    112981575   -5.95%
garbage.BenchmarkParserPause-4         83411552     64580700  -22.58%
garbage.BenchmarkParserPause-8         51870697     42207244  -18.63%

garbage.BenchmarkTreePause             20940474     13147011  -37.22%
garbage.BenchmarkTreePause-2           20115124     11146715  -44.59%
garbage.BenchmarkTreePause-4           17217584      7486327  -56.52%
garbage.BenchmarkTreePause-8           18258845      7400871  -59.47%

garbage.BenchmarkTree2Pause           174067190    172674190   -0.80%
garbage.BenchmarkTree2Pause-2         131175809    130615761   -0.43%
garbage.BenchmarkTree2Pause-4          95406666     93972047   -1.50%
garbage.BenchmarkTree2Pause-8          86056095     85334952   -0.84%

garbage.BenchmarkParserLastPause      329932000    324790000   -1.56%
garbage.BenchmarkParserLastPause-2    209383000    210456000   +0.51%
garbage.BenchmarkParserLastPause-4    113981000    112921000   -0.93%
garbage.BenchmarkParserLastPause-8     77967000     76625000   -1.72%

garbage.BenchmarkTreeLastPause         29752000     18444000  -38.01%
garbage.BenchmarkTreeLastPause-2       24274000     14766000  -39.17%
garbage.BenchmarkTreeLastPause-4       19565000      8726000  -55.40%
garbage.BenchmarkTreeLastPause-8       21956000     10530000  -52.04%

garbage.BenchmarkTree2LastPause       314411000    311945000   -0.78%
garbage.BenchmarkTree2LastPause-2     214641000    210836000   -1.77%
garbage.BenchmarkTree2LastPause-4     110024000    108943000   -0.98%
garbage.BenchmarkTree2LastPause-8      76873000     70263000   -8.60%

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5991049
2012-04-12 12:01:24 +04:00
Dmitriy Vyukov
a5dc7793c0 runtime: add lock-free stack
This is factored out part of the:
https://golang.org/cl/5279048/
(parallel GC)

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5993043
2012-04-12 11:49:25 +04:00
Rob Pike
2d0d3d8f9e text/template: catch unexported fields during parse
It's a common error to reference unexported field names in templates,
especially for newcomers. This catches the error at parse time rather than
execute time so the rare few who check errors will notice right away.

These were always an error, so the net behavior is unchanged.
Should break no existing code, just identify the error earlier.

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/6009048
2012-04-12 15:57:09 +10:00
Nigel Tao
6277656d69 html, exp/html: escape ' and " as &#39; and &#34;, since IE8 and
below do not support &apos;.

This makes package html consistent with package text/template's
HTMLEscape function.

Fixes #3489.

R=rsc, mikesamuel, dsymonds
CC=golang-dev
https://golang.org/cl/5992071
2012-04-12 09:35:43 +10:00
Adam Langley
772e8ff458 crypto/rsa: fix Verify for multi-prime keys.
The least common multiple is not totient/gcd.

R=remyoudompheng
CC=golang-dev
https://golang.org/cl/5990045
2012-04-11 12:57:38 -04:00
Adam Langley
7247dcab92 crypto/tls: update how we create testing scripts.
crypto/tls is tested, in part, by replaying recorded TLS connections
and checking that the bytes sent by the Go code haven't changed.

Previously we used GnuTLS's debug output and extracted the bytes of
the TLS connection using a Python script. That wasn't great, and I
think GnuTLS removed that level of debugging in a more current
release.

This change records the connection with Go code and adds a test for
ECDHE-AES clients generating using this method.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5988048
2012-04-11 12:55:57 -04:00
Marcel van Lohuizen
98aa4968b7 exp/norm: exposed runeInfo type in API.
For completeness, we also expose the Canonical Combining Class of a rune.
This does not increase the data size.

R=r
CC=golang-dev
https://golang.org/cl/5931043
2012-04-11 16:47:53 +02:00
Dave Cheney
d8e9b04ca6 runtime: add interface microbenchmarks
2011 Mac Mini, Core i5 @ 2.3Ghz

BenchmarkConvT2E        50000000                40.4 ns/op
BenchmarkConvT2EBig     20000000               107 ns/op
BenchmarkConvT2I        100000000               28.9 ns/op
BenchmarkConvI2E        500000000                5.93 ns/op
BenchmarkConvI2I        100000000               19.0 ns/op
BenchmarkAssertE2T      100000000               14.1 ns/op
BenchmarkAssertE2TBig   100000000               17.8 ns/op
BenchmarkAssertE2I      100000000               21.3 ns/op
BenchmarkAssertI2T      100000000               14.3 ns/op
BenchmarkAssertI2I      100000000               20.8 ns/op
BenchmarkAssertI2E      500000000                5.58 ns/op

Pandaboard, 2 x Omap4 @ 1.2Ghz

BenchmarkConvT2E        10000000               215 ns/op
BenchmarkConvT2EBig      1000000              3697 ns/op
BenchmarkConvT2I         5000000               666 ns/op
BenchmarkConvI2E        50000000                42.4 ns/op
BenchmarkConvI2I         5000000               489 ns/op
BenchmarkAssertE2T      20000000                90.0 ns/op
BenchmarkAssertE2TBig   20000000                91.6 ns/op
BenchmarkAssertE2I       5000000               515 ns/op
BenchmarkAssertI2T      20000000               124 ns/op
BenchmarkAssertI2I       5000000               517 ns/op
BenchmarkAssertI2E      50000000                47.2 ns/op
BenchmarkAssertE2E      50000000                42.7 ns/op

R=minux.ma, rsc, fullung, bsiegert, dsymonds
CC=golang-dev
https://golang.org/cl/5777048
2012-04-11 22:45:44 +10:00
Joel Sing
8cea1bf102 runtime: update openbsd thread related syscalls to match kernel
Update the threxit and thrsleep syscalls to match the ABI of the
OpenBSD 5.1 kernel. These changes are backwards compatible with
older kernels.

Fixes #3311.

R=golang-dev, rsc, devon.odell
CC=golang-dev
https://golang.org/cl/5777079
2012-04-11 22:02:08 +10:00
Shenghou Ma
1a59e6239c 5l, runtime: remove softfloat emulation code when not used
This leads to ~30kB improvement on code size for ARM machines with VFP/NEON.
Example: go test -c math
       GOARM=5  GOARM=6
  Old: 1884200  1839144
  New: 1884165  1805245
  -:        35    33899

R=rsc, bradfitz, dave, kai.backman
CC=golang-dev
https://golang.org/cl/5975060
2012-04-11 04:11:27 +08:00
Shenghou Ma
2031252fb8 5a, 5l: add PLD (preload data) instruction
Supported in ARMv5TE and above, excluding ARMv5TExP.
        For CL 5990066.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5999044
2012-04-11 04:09:04 +08:00
Pascal S. de Kloe
9feddd0bae hash: more efficient memory allocation
Feed append the complete content at once.

BenchmarkAdler32KB       1000000              2534 ns/op         404.05 MB/s
BenchmarkCrc32KB          500000              4757 ns/op         215.26 MB/s
BenchmarkCrc64KB          500000              4769 ns/op         214.70 MB/s
BenchmarkFnv32KB         1000000              2417 ns/op         423.64 MB/s
BenchmarkFnv32aKB        1000000              2408 ns/op         425.23 MB/s
BenchmarkFnv64KB          500000              4262 ns/op         240.21 MB/s
BenchmarkFnv64aKB         500000              4234 ns/op         241.83 MB/s

R=iant, rsc, r, minux.ma
CC=golang-dev
https://golang.org/cl/5937053
2012-04-10 15:15:39 -04:00
Akshat Kumar
7056ec6bfd runtime: fix floating point exception on Plan 9
Change 5660047 moved an FLDCW instruction
that disables invalid operand traps into
runtime·asminit, which is called from
runtime·mstart. Thus, runtime·check is being
called prior to setting the appropriate control bits,
which on any QNaN comparison will cause Plan 9
to take an invalid operand trap. This change loads
the control bits (for Plan 9) prior to runtime·check.
Ideally, this should be done before the QNaN checks
on any system, but possibly other kernels simply
don't ever trap on invalid operands.

R=golang-dev, rminnich
CC=golang-dev, john, rsc
https://golang.org/cl/5939045
2012-04-10 15:14:10 -04:00
Quan Yong Zhai
e133ee9538 runtime: unregister the SIGILL handler after ARM EABI test
Part of issue 3381

R=rsc, minux.ma, dave
CC=golang-dev
https://golang.org/cl/5969064
2012-04-10 15:05:22 -04:00
Russ Cox
e530d6a1e0 6c, 6g, 6l: add MOVQL to make truncation explicit
Without an explicit signal for a truncation, copy propagation
will sometimes propagate a 32-bit truncation and end up
overwriting uses of the original 64-bit value.

The case that arose in practice is in C but I believe
that the same could plausibly happen in Go.
The main reason we didn't run into the same in Go
is that I (perhaps incorrectly?) drop MOVL AX, AX
during gins, so the truncation was never generated, so
it didn't confuse the optimizer.

Fixes #1315.
Fixes #3488.

R=ken2
CC=golang-dev
https://golang.org/cl/6002043
2012-04-10 12:51:59 -04:00
Russ Cox
b72c7e943c cmd/6c: fix probable code gen bug
This is a pointer being copied; MOVL can't possibly be right.

R=ken2
CC=golang-dev
https://golang.org/cl/5999043
2012-04-10 12:51:36 -04:00
Russ Cox
30bc5d7bbd cmd/8c: fix store to complex uint64 ptr
Assignment of a computed uint64 value to an
address derived with a function call was executing
the call after computing the value, which trashed
the value (held in registers).

long long *f(void) { return 0; }
void g(int x, int y) {
        *f() = (long long)x | (long long)y<<32;
}

Before:

(x.c:3)	TEXT	g+0(SB),(gok(71))
...
(x.c:4)	ORL	AX,DX
(x.c:4)	ORL	CX,BX
(x.c:4)	CALL	,f+0(SB)
(x.c:4)	MOVL	DX,(AX)
(x.c:4)	MOVL	BX,4(AX)

After:
(x.c:3)	TEXT	g+0(SB),(gok(71))
(x.c:4)	CALL	,f+0(SB)
...
(x.c:4)	ORL	CX,BX
(x.c:4)	ORL	DX,BP
(x.c:4)	MOVL	BX,(AX)
(x.c:4)	MOVL	BP,4(AX)

Fixes #3501.

R=ken2
CC=golang-dev
https://golang.org/cl/5998043
2012-04-10 10:45:58 -04:00