Provide appropriate implementations of Tc{get,set}pgrp and export
these for use in the TestForeground* tests in exec_unix_test.go.
This avoids calling ioctl via syscall.Syscall on BSDs.
Fixes#59667
Updates #63900
Change-Id: Ice4dcedae1f0931c026bddf33043d3864a52d44e
Reviewed-on: https://go-review.googlesource.com/c/go/+/572155
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"strSliceContains" is replaced by "slices.Contains".
Replace "sort.Strings" with "slices.Sort" since it becomes a wrapper
of "slices.Sort" from Go 1.22.
"headerSorter" no longer has to implement "sort.Interface".
We use "slice.SortFunc" to sort kvs.
Change-Id: Ic29b4c3db147c16079575eca7ad6ff6c0f581188
GitHub-Last-Rev: 78221d5aa2
GitHub-Pull-Request: golang/go#66440
Reviewed-on: https://go-review.googlesource.com/c/go/+/573275
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: qiulaidongfeng <2645477756@qq.com>
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Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Converting *void directly to mach_port_t causes newer clang to throw a
void-pointer-to-int-cast warning/error.
Change-Id: I709955d4678bed3f690a8337ce85fd8678d217bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/573415
Auto-Submit: Roland Shoemaker <roland@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Change-Id: I1391ec36063dc609a61cc3b37827a56c7cf97c03
Reviewed-on: https://go-review.googlesource.com/c/go/+/539839
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Change-Id: I2871e98eaf13f207e467120592d604761be5fe17
Reviewed-on: https://go-review.googlesource.com/c/go/+/535084
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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Add a new method TB.SetGOMAXPROCS which sets variable of GOMAXPROCS.
This method aims to set a variable for the isolated lifetime of the test and cleans up.
And unset this when the test ends.
This method disables the test or benchmark from running in
parallel.
Fixes: #62020
Change-Id: Iae44109d0def35cc47049c3ca4cd5306173d52ee
Signed-off-by: sivchari <shibuuuu5@gmail.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/519235
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Remove dynamic checks for atomic instructions for ARM64 targets that support LSE extension.
For #66131
Change-Id: I0ec1b183a3f4ea4c8a537430646e6bc4b4f64271
Reviewed-on: https://go-review.googlesource.com/c/go/+/569536
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Reviewed-by: Fannie Zhang <Fannie.Zhang@arm.com>
Reviewed-by: Shu-Chun Weng <scw@google.com>
The LockThreadExit tests in the runtime have been observed to fail after
reading /proc/self/task/<tid>/stat and blindly assuming its contents
followed a specific format. The parsing code is also wrong, because
splitting by spaces doesn't work when the comm name contains a space.
It also ignores errors without reporting them, which isn't great.
This change rewrites tidExists to be more robust by using
/proc/self/task/<tid>/status instead. It also modifies tidExists'
signature to report an error to its caller. Its caller then prints that
error.
Ignoring a non-not-exist error with opening this file is the likely but
unconfirmed cause of #65736 (ESRCH). This change also checks for that
error explicitly as an optimistic fix.
Fixes#65736.
Change-Id: Iea560b457d514426da2781b7eb7b8616a91ec23b
Reviewed-on: https://go-review.googlesource.com/c/go/+/567938
Auto-Submit: Michael Knyszek <mknyszek@google.com>
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Constant bools are like constant 1-byte values, they memcombine just fine.
(There are still trickier cases that this pass doesn't catch
yet, see TODO at memcombine.go:503.)
Fixes#66413
Change-Id: Ia67cf72ed1c416e27ac22da443bd88a3f09a6cc8
Reviewed-on: https://go-review.googlesource.com/c/go/+/573416
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Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Keith Randall <khr@google.com>
Add check for deprecations in PackagesAndErrorsOutsideModule. This affects go run/install outside module when run in module-aware mode.
Fixes#59230
Change-Id: I106df36a856894fb1b634decfa812e31cf88fe74
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The RtlGetNtVersionNumbers function is not documented by Microsoft.
Use RtlGetVersion instead, which is documented and available on all
supported versions of Windows.
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Change-Id: Ibaf0e2c28e673951476c5d863a829fd166705aea
Reviewed-on: https://go-review.googlesource.com/c/go/+/571015
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The net package currently uses windows.SupportFullTCPKeepAlive to
know if TCP_KEEPIDLE, TCP_KEEPINTVL, and TCP_KEEPCNT are available.
This function is a wrapper over the undocumented RtlGetNtVersionNumbers
API, which tests if the Windows version is at least 10.0.16299. This
approach artificially limits the use of TCP_KEEPCNT, which is
available since Windows 10.0.15063. It also uses an undocumented API,
which is not something we want to rely on.
This CL removes windows.SupportFullTCPKeepAlive in favor of dedicated
proves for each option which are not based on the Windows version.
While here, remove some assertions in setKeepAliveCount. It is better
to let the system decide if the value is valid or not.
Updates #65817.
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Change-Id: I0fe70d46c8675eab06c0e4628cf68571b6e50b80
Reviewed-on: https://go-review.googlesource.com/c/go/+/570077
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Updates x/net/http2 to git rev 89f602b7bbf237abe0467031a18b42fc742ced08
http2: validate client/outgoing trailers
https://golang.org/cl/572655 (updates #64766)
and also updates the vendored version of golang.org/x/net per:
$ go get golang.org/x/net@89f602b7bb
$ go mod tidy
$ go mod vendor
$ go generate -run bundle std
Change-Id: Ibd0e819d9125e72665bafec53ba626e257b594a5
Reviewed-on: https://go-review.googlesource.com/c/go/+/572676
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Auto-Submit: Emmanuel Odeke <emmanuel@orijtech.com>
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Change-Id: I38ebd280c200b30692eb35640327034a5e898bd0
Reviewed-on: https://go-review.googlesource.com/c/go/+/570376
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
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The godoc for sync.Map.CompareAndSwap does not document the meaning
of its return value. Document it by giving it a name.
Change-Id: I50ad9c078a7885f5ce83489d66d138d491c35861
Reviewed-on: https://go-review.googlesource.com/c/go/+/572657
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Ensure that errors are reported if an HTTP request unexpectedly fails.
For #56587
Change-Id: I1adfb4fedc24d4177caf54e34c5033267e32caa6
Reviewed-on: https://go-review.googlesource.com/c/go/+/486075
Reviewed-by: Bryan Mills <bcmills@google.com>
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Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
[Re-land of CL 567695 without further changes.]
This CL refactors the interleaved fixpoint algorithm so that calls can
be inlined in any order. This has no immediate effect, but it will
allow a subsequent CL to prioritize calls by inlheur score.
Change-Id: I8fd6748f0347fd696daee815bf7c9c183572c1ea
Reviewed-on: https://go-review.googlesource.com/c/go/+/573096
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Auto-Submit: Matthew Dempsky <mdempsky@google.com>
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Move the OPAREN skipping logic from typecheck into typecheck1, so that
it only applies to ParenExprs with Typecheck()==0. This should allow
CL 567695 to be re-landed, which uses ParenExprs as placeholders in
the AST.
Fixes#66261.
Change-Id: I606b7bad0cf1c0447e60d6da68d1d66db00863f7
Reviewed-on: https://go-review.googlesource.com/c/go/+/573095
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
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The OPARENs inserted here used to be necessary for better error
diagnostics, but now those are handled by types2.
Change-Id: I88d50d34d9e00cdd7d0fb32f6e460a179345a787
Reviewed-on: https://go-review.googlesource.com/c/go/+/573115
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
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CL 511516 added the method but didn't include a release note for it
because it was authored and tested before the new release note flow.
For #61472.
Change-Id: I38f73e97093a2badaea658ed430e174b73e35b3a
Reviewed-on: https://go-review.googlesource.com/c/go/+/571278
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
On amd64, we always zero-extend when loading arguments from the stack.
On arm64, we extend based on the type. This causes problems with
zeroUpper*Bits, which reports the top bits are zero when they aren't.
Fix it to use the type to decide if the top bits are really zero.
For tests, only f32 currently fails on arm64. Added other tests
just for future-proofing.
Update #66066
Change-Id: I2f13fb47198e139ef13c9a34eb1edc932eea3ee3
Reviewed-on: https://go-review.googlesource.com/c/go/+/571135
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: David Chase <drchase@google.com>
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Implements a new method http.Request.CookiesName, that allows
retrieving all cookies that match the given name.
Fixes#61472
Change-Id: I405d8771b4195af9ff6b4dfde3cfcd316c23b70c
GitHub-Last-Rev: 6ad0094995
GitHub-Pull-Request: golang/go#61473
Reviewed-on: https://go-review.googlesource.com/c/go/+/511516
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Add assembler support for Zba, Zbb, Zbs extensions, which are
mandatory in the rva22u64 profile. These can be used to accelerate
address computation and bit manipulation.
Change-Id: Ie90fe6b76b1382cf69984a0e71a72d3cba0e750a
Reviewed-on: https://go-review.googlesource.com/c/go/+/559655
Reviewed-by: M Zhuo <mengzhuo1203@gmail.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
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Zero out elements before shrinking the slice to avoid memory leaks.
Fixes#66410
Change-Id: I8f64c21455761f7f7c8b6fee0b6450b98f691d91
GitHub-Last-Rev: b15586e801
GitHub-Pull-Request: golang/go#66419
Reviewed-on: https://go-review.googlesource.com/c/go/+/572956
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Run-TryBot: Emmanuel Odeke <emmanuel@orijtech.com>
This change validates outbound client request trailers
just like we do for headers. This helps prevent header
injection or other sorts of smuggling from easily being
performed using the standard HTTP client.
Fixes#64766
Change-Id: Idb34df876a0c308b1f57e9ae2695b118ac6bcc2d
Reviewed-on: https://go-review.googlesource.com/c/go/+/572615
Reviewed-by: David Chase <drchase@google.com>
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Reviewed-by: Damien Neil <dneil@google.com>
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Auto-Submit: Emmanuel Odeke <emmanuel@orijtech.com>
Provide appropriate implementations of internal/syscall/unix.Tcsetpgrp
and use this for runSessionLeader in os/signal/signal_cgo_test.go.
This avoids calling syscall.Syscall with SYS_IOCTL on BSDs.
Updates #59667
Updates #63900
Change-Id: Ifa4696bba9f1eb68e81e7103f030bc254adaf0af
Reviewed-on: https://go-review.googlesource.com/c/go/+/540020
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
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The runtime.elf_* symbols are assembly functions which are used
to support the gcc/llvm -Os option when used with cgo.
When compiling Go for shared code, we attempt to strip out the
TOC regenation code added by the go assembler for these symbols.
This causes the symbol to no longer appear as an assembly
function which causes problems later on when handling other
implicit symbols.
Avoid adding a TOC regeneration prologue to these functions
to avoid this issue.
Fixes#66265
Change-Id: Icbf8e4438d177082a57bb228e39b232e7a0d7ada
Reviewed-on: https://go-review.googlesource.com/c/go/+/571835
Reviewed-by: Than McIntosh <thanm@google.com>
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It's been good since Sierra: it never fails, it's faster, it's available
on iOS (see #47812), and it still handles forks and reseeding.
On a M2 with macOS 14.3.1:
│ sec/op │ sec/op vs base │
Read/32-8 413.7n ± 3% 249.7n ± 3% -39.65% (p=0.000 n=10)
Read/4K-8 7.097µ ± 6% 1.261µ ± 2% -82.24% (p=0.000 n=10)
│ B/s │ B/s vs base │
Read/32-8 73.76Mi ± 3% 122.25Mi ± 3% +65.73% (p=0.000 n=10)
Read/4K-8 550.5Mi ± 6% 3099.0Mi ± 2% +462.99% (p=0.000 n=10)
arc4random(3) would be a good replacement for getentropy(2) on FreeBSD
and NetBSD as well, but we don't get as easy access to libc there.
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Change-Id: Ia76824853be92b4d1786e23592a1d2ef24d8907d
Reviewed-on: https://go-review.googlesource.com/c/go/+/569655
Auto-Submit: Filippo Valsorda <filippo@golang.org>
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The len parameter runtime.asan{read,write} is of type uintptr. Match its
type in Read and Write.
For #64611
Change-Id: I0be278c38a357e600521ced87c0e23038a11e8a2
Reviewed-on: https://go-review.googlesource.com/c/go/+/572755
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Reviewed-by: Ian Lance Taylor <iant@google.com>
On Linux, both mprotect() and mmap() acquire the mmap_lock (in writer mode),
posing scalability challenges.
The mmap_lock (formerly called mmap_sem) is a reader/writer lock that controls
access to a process's address space; before making changes there (mapping in a
new range, for example), the kernel must acquire that lock.
Page-fault handling must also acquire mmap_lock (in reader mode) to ensure that
the address space doesn't change in surprising ways while a fault is being resolved.
A process can have a large address space and many threads running (and incurring
page faults) concurrently, turning mmap_lock into a significant bottleneck.
While both mmap() and mprotect() are protected by the mmap_lock, the shorter
duration of mprotect system call, due to their simpler nature, results in a reduced
locking time for the mmap_lock.
Change-Id: I7f929544904e31eab34d0d8a9e368abe4de64637
GitHub-Last-Rev: 6f27a216b4
GitHub-Pull-Request: golang/go#65038
Reviewed-on: https://go-review.googlesource.com/c/go/+/554935
Reviewed-by: Michael Knyszek <mknyszek@google.com>
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Fixes#66239
Change-Id: I8210682c0cf4285b950e9fabe687b7ad2369835c
Reviewed-on: https://go-review.googlesource.com/c/go/+/570397
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Change-Id: Ie8fa25d5e326efd7d3c9b72203783110d9e22ce8
Reviewed-on: https://go-review.googlesource.com/c/go/+/572215
Reviewed-by: David Chase <drchase@google.com>
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The existing implementation of the mail package conforms to RFC 5322
for parsing mail messages, but it lacks support for domain literals. This
patch addresses this limitation by adding support for domain literals in
the address parser.
The Addr-Spec Specification, defined in RFC 5322 Section 3.4.1,
outlines the format for email addresses:
https://datatracker.ietf.org/doc/html/rfc5322\#section-3.4.1Fixes#60206
Change-Id: Ic901418325bd1da69e70800d70b87d658b953738
GitHub-Last-Rev: bdda66f3fe
GitHub-Pull-Request: golang/go#66075
Reviewed-on: https://go-review.googlesource.com/c/go/+/567777
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Updates doc by running these commands:
- mksyntaxgo from the google/re2 repo, which changes comment according
to https://golang.org/s/generatedcode
- gofmt -w regexp/syntax/doc.go
Change-Id: I66a9dd9fa841cbce899ab3aa32d7face798d2920
Reviewed-on: https://go-review.googlesource.com/c/go/+/572275
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: David Chase <drchase@google.com>
This change invokes defer rows.Close() in TestQuery to properly close the rows.
Change-Id: I1ab0d172ad2130e9caab7dbda93d671550c33c6b
GitHub-Last-Rev: 76883a3bce
GitHub-Pull-Request: golang/go#66371
Reviewed-on: https://go-review.googlesource.com/c/go/+/572197
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
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Auto-Submit: Ian Lance Taylor <iant@google.com>
"sais2.go" is regenerated by the command "go generate ./...".
Change-Id: I4307e9fa1f20ea59e3a0d4841dbb22e9cffefa5a
GitHub-Last-Rev: d285183e65
GitHub-Pull-Request: golang/go#66376
Reviewed-on: https://go-review.googlesource.com/c/go/+/572198
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Commit-Queue: Ian Lance Taylor <iant@golang.org>
This replaces a map used as a set with a slice.
We were using a surprising amount of CPU in this code, making mapiters
to pull out a random element of the map. Instead, just rand.IntN to pick
a random element of the slice.
It also adds a benchmark:
│ before │ after │
│ sec/op │ sec/op vs base │
ConnRequestSet-8 1818.0n ± 0% 452.4n ± 0% -75.12% (p=0.000 n=10)
(whether random is a good policy is a bigger question, but this
optimizes the current policy without changing behavior)
Updates #66361
Change-Id: I3d456a819cc720c2d18e1befffd2657e5f50f1e7
Reviewed-on: https://go-review.googlesource.com/c/go/+/572119
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Brad Fitzpatrick <bradfitz@golang.org>
When text/template is evaluating a pipeline command and encounters an
`interface{}`, it "digs down one level to the thing inside". Currently it
does this with `value = reflect.ValueOf(value.Interface())`, which is
unnecessary since it could just use `value = value.Elem()`. This commit
changes it to use the latter.
Why it was written that way is mysterious because the proposed change
appears to be strictly better, but given the blame date (13 years ago)
it may have been written while reflect was still in development before
`Elem()` was added.
Change-Id: I6c4f6283e78de07732c4120ce11f26f113fa46e4
GitHub-Last-Rev: bdfc6973ab
GitHub-Pull-Request: golang/go#66373
Reviewed-on: https://go-review.googlesource.com/c/go/+/572355
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Rob Pike <r@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
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Reviewed-by: Daniel Martí <mvdan@mvdan.cc>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
CL 571396 introduced quotes around user-provided names in error
messages. Update a test case to match the changed error message.
Change-Id: I3de0ea32f363ac83dcecae164ceab74e28dea086
Reviewed-on: https://go-review.googlesource.com/c/go/+/572555
Reviewed-by: Robert Griesemer <gri@google.com>
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According to static analysis of Go source code known by the module proxy,
spaces, dashes, zeros, and tabs are the most commonly repeated string literals.
Out of ~69k total calls to Repeat:
* ~25k calls are repeats of " "
* ~7k calls are repeats of "-"
* ~4k calls are repeats of "0"
* ~2k calls are repeats of "="
* ~2k calls are repeats of "\t"
After this optimization, ~60% of Repeat calls will go through the fast path.
These are often used in padding of fixed-width terminal UI or
in the presentation of humanly readable text
(e.g., indentation made of spaces or tabs).
Optimize for this case by handling short repeated sequences of common literals.
Performance:
name old time/op new time/op delta
RepeatSpaces-24 19.3ns ± 1% 5.0ns ± 1% -74.27% (p=0.000 n=8+9)
name old alloc/op new alloc/op delta
RepeatSpaces-24 2.00B ± 0% 0.00B -100.00% (p=0.000 n=10+10)
name old allocs/op new allocs/op delta
RepeatSpaces-24 1.00 ± 0% 0.00 -100.00% (p=0.000 n=10+10)
Change-Id: Id1cafd0cc509e835c8241a626489eb206e0adc3c
Reviewed-on: https://go-review.googlesource.com/c/go/+/536615
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Than McIntosh <thanm@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
writeLoop goroutine closes persistConn closech in case of request body
write error which in turn finishes readLoop without removing request canceler.
Fixes#61708
Change-Id: Ib7c832a91b49bc7888a35a4fd2bd692236c04f86
GitHub-Last-Rev: b74b9055e8
GitHub-Pull-Request: golang/go#62305
Reviewed-on: https://go-review.googlesource.com/c/go/+/523296
Reviewed-by: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Damien Neil <dneil@google.com>
Use `' quotes (as in `foo') to differentiate from Go quotes.
Quoting prevents confusion when user-supplied names alter
the meaning of the error message.
For instance, report
duplicate method `wanted'
rather than
duplicate method wanted
Exceptions:
- don't quote _:
`_' is ugly and not necessary
- don't quote after a ":":
undefined name: foo
- don't quote if the name is used correctly in a statement:
goto L jumps over variable declaration
Quoting is done with a helper function and can be centrally adjusted
and fine-tuned as needed.
Adjusted some test cases to explicitly include the quoted names.
Fixes#65790.
Change-Id: Icce667215f303ab8685d3e5cb00d540a2fd372ca
Reviewed-on: https://go-review.googlesource.com/c/go/+/571396
TryBot-Result: Gopher Robot <gobot@golang.org>
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