Replace the pack command, a C program, with a clean reimplementation in Go.
It does not need to reproduce the full feature set and it is no longer used by
the build chain, but has a role in looking inside archives created by the build
chain directly.
Since it's not in C, it is no longer build by dist, so remove it from cmd/dist and
make it a "tool" in cmd/go terminology.
Fixes#2705
R=rsc, dave, minux.ma, josharian
CC=golang-codereviews
https://golang.org/cl/52310044
Previously, filenames containing special characters could:
1) Escape the <a> tag, with a file called something like: ">foo
2) Break the links in the index by prematurely ending the path portion
of the url, with a file called: foo?bar
In order to avoid a forbidden dependency on the html package, I'm
using htmlReplacer from net/http/server.go, which is equivalent to
html.EscapeString.
This change also expands fakeFile.Readdir to better emulate
os.File.Readdir.
R=golang-codereviews, rsc, gobot, bradfitz, josharian, mikioh.mikioh
CC=golang-codereviews
https://golang.org/cl/37440043
Map iteration previously started from a random bucket, but walked each
bucket from the beginning. Now, iteration always starts from the first
bucket and walks each bucket starting at a random offset. For
performance, the random offset is selected at the start of iteration
and reused for each bucket.
Iteration over a map with 8 or fewer elements--a single bucket--will
now be non-deterministic. There will now be only 8 different possible
map iterations.
Significant benchmark changes, on my OS X laptop (rough but consistent):
benchmark old ns/op new ns/op delta
BenchmarkMapIter 128 121 -5.47%
BenchmarkMapIterEmpty 4.26 4.45 +4.46%
BenchmarkNewEmptyMap 114 111 -2.63%
Fixes#6719.
R=khr, bradfitz
CC=golang-codereviews
https://golang.org/cl/47370043
Still work to do. See http://golang.org/issue/7125
««« original CL description
net/http/cookiejar: document format of domain in PublicSuffix
Document what values a PublicSuffixList must accept as
a domain in a call to PublicSuffix.
R=bradfitz, nigeltao
CC=golang-codereviews
https://golang.org/cl/47560044
»»»
R=golang-codereviews, minux.ma
CC=golang-codereviews
https://golang.org/cl/51770044
Having these flags misleads people into thinking they're acceptable
for code that "must be gofmt'd".
If an organization wishes to use gofmt internally with
different settings, they can fork gofmt trivially. But "gofmt"
as used by the community with open source Go code should not
support these old knobs.
Also removes the -comments flag.
Fixes#7101
R=r, gri
CC=golang-codereviews
https://golang.org/cl/52170043
Fix another issue (similar to Issue 6995) where there was a
data race when sharing a server handler's Request.Body with
another goroutine that out-lived the Handler's goroutine.
In some cases we were not closing the incoming Request.Body
(which would've required reading it until the end) if we
thought it we thought we were going to be forcibly closing the
underlying net.Conn later anyway. But that optimization
largely moved to the transfer.go *body later, and locking was
added to *body which then detected read-after-close, so now
calling the (*body).Close always is both cheap and correct.
No new test because TestTransportAndServerSharedBodyRace caught it,
albeit only sometimes. Running:
while ./http.test -test.cpu=8 -test.run=TestTransportAndServerSharedBodyRace; do true; done
... would reliably cause a race before, but not now.
Update #6995Fixes#7092
R=golang-codereviews, khr
CC=golang-codereviews
https://golang.org/cl/51700043
For historical reasons, temp was returning a copy
of the created Node*, not the original Node*.
This meant that if analysis recorded information in the
returned node (for example, n->addrtaken = 1), the
analysis would not show up on the original Node*, the
one kept in fn->dcl and consulted during liveness
bitmap creation.
Correct this, and watch for it when setting addrtaken.
Fixes#7083.
R=khr, dave, minux.ma
CC=golang-codereviews
https://golang.org/cl/51010045
The golden file for link.hello.darwin.amd64
was a little ahead of the checked-in code.
R=iant
TBR=iant
CC=golang-codereviews
https://golang.org/cl/51870043
Related changes included in this CL:
- Add explicit start symbol to Prog.
- Add omitRuntime bool to Prog.
- Introduce p.Packages[""] to hold automatic symbols
- Add SymOrder to Prog to preserve symbol order.
- Add layout test (and fix bug that was putting everything in text section).
R=iant
CC=golang-codereviews
https://golang.org/cl/51260045
The hex dumps will diff better, and I hope they will avoid
a repeat of http://bugs.debian.org/716853.
The CL will probably show the testdata diffs as "binary",
but in fact the binary versions are being replaced by
textual hex dumps (output of hexdump -C).
R=iant
CC=golang-codereviews
https://golang.org/cl/51000044
There were no docs explaining the meaning of Readdir's count
argument, for instance. Clarify that these mean the same as
the methods on *os.File.
R=golang-codereviews, minux.ma
CC=golang-codereviews
https://golang.org/cl/51630043
Consume as little as possible input when encountering
non-terminated rune, string, and raw string literals.
The old code consumed at least one extra character
which could lead to worse error recovery when parsing
erroneous sources.
Also made error messages in those cases more consistent.
Fixes#7091.
R=adonovan
CC=golang-codereviews
https://golang.org/cl/50630043
Include the <sys/mman.h> header for OpenBSD mkerrors.sh. This brings
in constants used with madvise(2), mmap(2), msync(2) and mlockall(2).
Fixes#4929
R=golang-codereviews, minux.ma
CC=golang-codereviews
https://golang.org/cl/50930043
Remove the getsockname workaround for unix domain sockets on OpenBSD.
This was fixed in OpenBSD 5.2 and we now have a minimum requirement
for OpenBSD 5.4-current.
R=golang-codereviews, minux.ma
CC=golang-codereviews
https://golang.org/cl/50960043
Profiling of multithreaded applications works correctly on OpenBSD
5.4-current, so enable the profiling test.
R=golang-codereviews, minux.ma
CC=golang-codereviews
https://golang.org/cl/50940043
Update Go so that it continues to work past the OpenBSD system ABI
break, with 64-bit time_t:
http://www.openbsd.org/faq/current.html#20130813
Note: this makes OpenBSD 5.5 (currently 5.4-current) the minimum
supported release for Go.
Fixes#7049.
R=golang-codereviews, mikioh.mikioh
CC=golang-codereviews
https://golang.org/cl/13368046
A user reported heavy contention on fmt's printer cache. Avoid
fmt.Sprint. We have to do reflection anyway, and there was
already an asString function to use strconv, so use it.
This CL also eliminates a redundant allocation + copy when
scanning into *[]byte (avoiding the intermediate string)
and avoids an extra alloc when assigning to a caller's RawBytes
(trying to reuse the caller's memory).
Fixes#7086
R=golang-codereviews, nightlyone
CC=golang-codereviews
https://golang.org/cl/50240044
This seems to be the best target to benchmark sync.Pool changes.
This is resend of cl/49910043 which was LGTMed by
TBR=bradfitz
R=golang-codereviews
CC=golang-codereviews
https://golang.org/cl/50140045
The %S and %N format verbs are used by cmd/gc to
represent Sym and Node structures, respectively.
In liblink, these two verbs are used only by the %D
format routine and never referenced externally.
This change will allow us to delete the duplicated
code for the %A, %D, %P, and %R format routines in
both the compiler and linker.
R=golang-codereviews, rsc
CC=golang-codereviews
https://golang.org/cl/49720043
Nodes of goto statements were corrupted when written
to export data.
Fixes#7023.
R=rsc, dave, minux.ma
CC=golang-codereviews
https://golang.org/cl/46190043
Our default behavior for the common cases shouldn't lead to
leaked TCP connections (e.g. from people closing laptops) when
their Go servers are exposed to the open Internet without a
proxy in front.
Too many users on golang-nuts have learned this the hard way.
No API change. Only ListenAndServe and ListenAndServeTLS are
updated.
R=golang-codereviews, cespare, gobot, rsc, minux.ma
CC=golang-codereviews
https://golang.org/cl/48300043
The spans array is allocated in runtime·mallocinit. On a
32-bit system the number of entries in the spans array is
MaxArena32 / PageSize, which (2U << 30) / (1 << 12) == (1 << 19).
So we are allocating an array that can hold 19 bits for an
index that can hold 20 bits. According to the comment in the
function, this is intentional: we only allocate enough spans
(and bitmaps) for a 2G arena, because allocating more would
probably be wasteful.
But since the span index is simply the upper 20 bits of the
memory address, this scheme only works if memory addresses are
limited to the low 2G of memory. That would be OK if we were
careful to enforce it, but we're not. What we are careful to
enforce, in functions like runtime·MHeap_SysAlloc, is that we
always return addresses between the heap's arena_start and
arena_start + MaxArena32.
We generally get away with it because we start allocating just
after the program end, so we only run into trouble with
programs that allocate a lot of memory, enough to get past
address 0x80000000.
This changes the code that computes a span index to subtract
arena_start on 32-bit systems just as we currently do on
64-bit systems.
R=golang-codereviews, rsc
CC=golang-codereviews
https://golang.org/cl/49460043
It's difficult to make this much better w/o much
more effort. This is a rare case and probably not
worth it.
Fixes#6052.
R=golang-codereviews, bradfitz, adonovan
CC=golang-codereviews
https://golang.org/cl/49740045
