Doing so is slightly more accurate than calculating at run time (because
of float64 rounding errors): https://go.dev/play/p/hrOzHDLjd5K
Having these more accurate values isn't necessary for tests to pass, but
it's helpful if doing printf-debugging or stepping through the code.
Change-Id: I07a65678936e4db05b11f9d8d952b32b2acd51a8
Reviewed-on: https://go-review.googlesource.com/c/go/+/624716
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Nigel Tao <nigeltao@google.com>
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This CL provides vendor support for s390x disassembler plan9 syntax.
cd $GOROOT/src/cmd
go get golang.org/x/arch@master
go mod tidy
go mod vendor
For #15255
Change-Id: I20c87510a1aee2d1cf2df58feb535974c4c0e3ef
Reviewed-on: https://go-review.googlesource.com/c/go/+/623075
Reviewed-by: David Chase <drchase@google.com>
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Reviewed-by: Vishwanatha HD <vishwanatha.hd@ibm.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
On a 301 redirect, the HTTP client changes the request to be
a GET with no body.
On a 308 redirect, the client leaves the request method and
body unchanged.
A 308 following a 301 should preserve the rewritten request
from the first redirect: GET with no body. We were preserving
the method, but sending the original body. Fix this.
Fixes#70180
Change-Id: Ie20027a6058a82bfdffc7197d07ac6c7f98099e2
Reviewed-on: https://go-review.googlesource.com/c/go/+/626055
Reviewed-by: Jonathan Amsterdam <jba@google.com>
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They needed their package names updated after packages were moved to
crypto/internal/fips. Also, mitigated mmcloughlin/avo#450 which would
require setting GOARCH=amd64 at generation time.
Change-Id: Ib903ef113ebb5a24844204f231f2507cea03a67e
Reviewed-on: https://go-review.googlesource.com/c/go/+/626075
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Reviewed-by: Russ Cox <rsc@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Listening on ":0" triggers a Mac firewall box while the test runs.
Change-Id: Ie6f8eb07eb76ea222f43bc40b1c30645294bc239
Reviewed-on: https://go-review.googlesource.com/c/go/+/625975
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Reviewed-by: Ian Lance Taylor <iant@google.com>
Strictly speaking, the sort comparison was inconsistent
(and therefore invalid) for the sort-by-name case, if you had
a size 0
b size 1
c size 0
zerobase
That would result in the inconsistent comparison ordering:
a < b (by name)
b < c (by name)
c < zerobase (by zerobase rule)
zerobase < b (by zerobase rule)
This can't happen today because we only disable size-based
sort in a segment that has no zerobase symbol, but it's
confusing to reason through that, so clean up the code anyway.
Passes golang.org/x/tools/cmd/toolstash/buildall.
Change-Id: I21e4159cdedd2053952ba960530d1b0f28c6fb24
Reviewed-on: https://go-review.googlesource.com/c/go/+/625615
Reviewed-by: Cherry Mui <cherryyz@google.com>
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syscall.SyscallN is implemented by runtime.syscall_syscalln, which makes
sure that the variadic argument doesn't escape.
There is no need to worry about the lifetime of the elements of the
variadic argument, as the compiler will keep them live until the
function returns.
Fixes#70197.
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest,gotip-windows-amd64-race
Change-Id: I12991f0be12062eea68f2b103fa0a794c1b527eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/625297
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: David Chase <drchase@google.com>
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CL 615295 changed the error message produced by the HTTP/2
implementation when a server sends more 1xx headers than expected.
Update a test that checks for this error.
For #65035
Change-Id: I57e22f6a880412e3a448e58693127540806d5ddb
Reviewed-on: https://go-review.googlesource.com/c/go/+/625195
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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For the SubFromLen64 codegen test case to work as intended, we need
to fold c-(-(x-d)) into x+(c-d).
Still, some instances of LeadingZeros are not optimized into single
CLZ instructions right now (actually, the LeadingZeros micro-benchmarks
are currently still compiled with redundant adds/subs of 64, due to
interference of loop optimizations before lowering), but perf numbers
indicate it's not that bad after all.
Micro-benchmark results on Loongson 3A5000 and 3A6000:
goos: linux
goarch: loong64
pkg: math/bits
cpu: Loongson-3A5000 @ 2500.00MHz
| bench.old | bench.new |
| sec/op | sec/op vs base |
LeadingZeros 3.660n ± 0% 1.348n ± 0% -63.17% (p=0.000 n=20)
LeadingZeros8 1.777n ± 0% 1.767n ± 0% -0.56% (p=0.000 n=20)
LeadingZeros16 2.816n ± 0% 1.770n ± 0% -37.14% (p=0.000 n=20)
LeadingZeros32 5.293n ± 1% 1.683n ± 0% -68.21% (p=0.000 n=20)
LeadingZeros64 3.622n ± 0% 1.349n ± 0% -62.76% (p=0.000 n=20)
geomean 3.229n 1.571n -51.35%
goos: linux
goarch: loong64
pkg: math/bits
cpu: Loongson-3A6000 @ 2500.00MHz
| bench.old | bench.new |
| sec/op | sec/op vs base |
LeadingZeros 2.410n ± 0% 1.103n ± 1% -54.23% (p=0.000 n=20)
LeadingZeros8 1.236n ± 0% 1.501n ± 0% +21.44% (p=0.000 n=20)
LeadingZeros16 2.106n ± 0% 1.501n ± 0% -28.73% (p=0.000 n=20)
LeadingZeros32 2.860n ± 0% 1.324n ± 0% -53.72% (p=0.000 n=20)
LeadingZeros64 2.6135n ± 0% 0.9509n ± 0% -63.62% (p=0.000 n=20)
geomean 2.159n 1.256n -41.81%
Updates #59120
This patch is a copy of CL 483356.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Iee81a17f7da06d77a427e73dfcc016f2b15ae556
Reviewed-on: https://go-review.googlesource.com/c/go/+/624575
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Reviewed-by: abner chenc <chenguoqi@loongson.cn>
A part of the keeping Go's vendored dependencies and generated code
up to date.
For #36905.
[git-generate]
cd src
go get golang.org/x/sys@v0.26.1-0.20241105152852-e0753d469443
go mod tidy
go mod vendor
cd cmd
go get golang.org/x/sys@v0.26.1-0.20241105152852-e0753d469443
go mod tidy
go mod vendor
go generate syscall internal/syscall/...
Change-Id: Ia84505f8934399f7c4518c6218892b81d30e5c17
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Support configuring which HTTP version(s) a server or client use
via an explicit set of protocols. The Protocols field takes
precedence over TLSNextProto and ForceAttemptHTTP2.
Fixes#67814
Change-Id: I09ece88f78ad4d98ca1f213157b5f62ae11e063f
Reviewed-on: https://go-review.googlesource.com/c/go/+/607496
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This CL adds support for git as a valid GOAUTH command.
Improves on implementation in cmd/auth/gitauth/gitauth.go
This follows the proposed design in
https://golang.org/issues/26232#issuecomment-461525141
For #26232
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Change-Id: I07810d9dc895d59e5db4bfa50cd42cb909208f93
Reviewed-on: https://go-review.googlesource.com/c/go/+/605275
Reviewed-by: Damien Neil <dneil@google.com>
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Change-Id: I4bcaa6b42571626c88e3374c328bbfe993476242
Reviewed-on: https://go-review.googlesource.com/c/go/+/625295
Auto-Submit: Ian Lance Taylor <iant@google.com>
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Observed in the telemetry data. Was causing truncated error outputs.
Change-Id: I9f0a86e1e6caa855f97a3d6e51328c4c9685c937
Reviewed-on: https://go-review.googlesource.com/c/go/+/623535
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Reviewed-by: Robert Griesemer <gri@google.com>
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For #70155
Change-Id: I648791c484e19bb12c6e4f84e2dc42eaaa4db546
Reviewed-on: https://go-review.googlesource.com/c/go/+/624595
Reviewed-by: Damien Neil <dneil@google.com>
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When using bazel with hermetic_cc_toolchain resolv.h is not available.
Change-Id: I2aed72e6c14535cb1400b30d285bf05aa2498fde
GitHub-Last-Rev: 818c72323d
GitHub-Pull-Request: golang/go#70141
Reviewed-on: https://go-review.googlesource.com/c/go/+/623816
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Gets rendered at https://pkg.go.dev/internal/platform#Broken
Change-Id: I128d9f02f113b1b326bc7d6a0e48fe0c944546dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/624915
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Change-Id: I33b61629dfabffa15065a14fccdb418bab11350d
Reviewed-on: https://go-review.googlesource.com/c/go/+/623915
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Fixes: #70156
Change-Id: I2e5dc2a39a8e54ec5f18c5f9d1644208cffb2e9a
Reviewed-on: https://go-review.googlesource.com/c/go/+/624695
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
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For #69994
Change-Id: I7db39074f6a055efb29c1cbd0db4c286864a5da6
Reviewed-on: https://go-review.googlesource.com/c/go/+/621996
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Compared with the version generated by dec64.rules based on Ctz32,
the number of assembly instructions is reduced by half.
SwissMap uses TrailingZeros64 to find the first match in its control
group and may benefit from this CL on 386 architectures.
goos: linux
goarch: 386
cpu: 13th Gen Intel(R) Core(TM) i7-13700H
│ old.txt │ new.txt │
│ sec/op │ sec/op vs base │
TrailingZeros64-20 0.8828n ± 1% 0.6299n ± 1% -28.65% (p=0.000 n=20)
Change-Id: Iba08a3f4e13efd3349715dfb7fcd5fd470286cd3
Reviewed-on: https://go-review.googlesource.com/c/go/+/624376
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Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
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This stops the test from failing with a known failure mode, and
creates time to look into what the next steps should be, if any.
For #69840.
Change-Id: I060903d256ed65c5dfcd70ae76eb361cab63186f
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This moves the interception code ito package
cmd/go/internal/web/intercept so that it can also be used by
cmd/go/internal/auth.
For #26232
Change-Id: Id8148fca56f48adaf98ddd09a62657c08f890441
Reviewed-on: https://go-review.googlesource.com/c/go/+/625036
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The TestProfilerStackDepth/heap test can spuriously fail if the profiler
happens to capture a stack with an allocation several frames deep into
runtime code. The pprof API hides runtime frames at the leaf-end of
stacks, but those frames still count against the profiler's stack depth
limit. The test checks only the first stack it finds with the desired
prefix and fails if it's not deep enough or doesn't have the right root
frame. So it can fail in that scenario, even though the implementation
isn't really broken.
Relax the test to check that there is at least one stack with desired
prefix, depth, and root frame.
Fixes#70112
Change-Id: I337fb3cccd1ddde76530b03aa1ec0f9608aa4112
Reviewed-on: https://go-review.googlesource.com/c/go/+/623998
Reviewed-by: Felix Geisendörfer <felix.geisendoerfer@datadoghq.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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A fallthrough statement can be a labeled fallthrough per Go spec.
However, the hasFallthrough function is not considering this case,
causing mis-compilation.
Fixing this by un-wrapping (possible nested) labeled fallthrough
statements if any.
Fixes#70173
Change-Id: Ic93d4fb75ff02703a32dfc63c3e84a8b7f78c261
Reviewed-on: https://go-review.googlesource.com/c/go/+/624717
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Youlin Feng <fengyoulin@live.com>
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Fixes#70175
Change-Id: I13767d951455854b03ad6707ff9292cfe9097ee9
Reviewed-on: https://go-review.googlesource.com/c/go/+/624377
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If a variadic call to a variadic function has not enough/too many
arguments, then print the variadic argument in dotdotdot form
instead of as a slice type in the error message.
Fixes#70150
Change-Id: I81a802619b3b66195b303e2df2bafeb1433ad310
Reviewed-on: https://go-review.googlesource.com/c/go/+/624335
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Findley <rfindley@google.com>
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...even when the file is empty or lacks a valid package decl.
+ test
Fixes#70162
Change-Id: Idf33998911475fe8cdfaa4786ac3ba1745f54963
Reviewed-on: https://go-review.googlesource.com/c/go/+/624655
Reviewed-by: Robert Griesemer <gri@google.com>
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Change-Id: I2c68dde6e968e0643109161e52a76189e48b4d19
Reviewed-on: https://go-review.googlesource.com/c/go/+/624715
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
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The original triple is `[13,17,5]` which don't existed in the Xorshift
RNG paper.
This CL use the right triple `[13,7,17]` for 64 bits RNG.
Fixes#70144
Change-Id: I3e3d475835980d9f28451ab73e3ce61eb2f1685e
Reviewed-on: https://go-review.googlesource.com/c/go/+/624295
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Reviewed-by: Carlos Amedee <carlos@golang.org>
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Update the comments about the list of Unix systems after CL 601357,
which moved one copy and eliminated another.
Change-Id: I12f5b14a53ce6f8b3a41c9a10f947465c291e2b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/623035
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Add support for assembling the FMA instructions present in the LoongArch
base ISA v1.00. This requires adding a new instruction format and making
use of a third source operand, which is put in RestArgs[0].
The single-precision instructions have the `.s` prefix in their official
mnemonics, and similar Go asm instructions all have `S` prefix for the
other architectures having FMA support, but in this change they instead
have `F` prefix in Go asm because loong64 currently follows the mips
backends in the naming convention. This could be changed later because
FMA is fully expressible in pure Go, making it unlikely to have to hand-
write such assembly in the wild.
Example mapping between actual encoding and Go asm syntax:
fmadd.s fd, fj, fk, fa -> FMADDF fa, fk, fj, fd
(prog.From = fa, prog.Reg = fk, prog.RestArgs[0] = fj and prog.To = fd)
fmadd.s fd, fd, fk, fa -> FMADDF fa, fk, fd
(prog.From = fa, prog.Reg = fk and prog.To = fd)
This patch is a copy of CL 477716.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: I9b4e4c601d6c5a854ee238f085849666e4faf090
Reviewed-on: https://go-review.googlesource.com/c/go/+/623877
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
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Fixes#70023
Change-Id: Ibac9c242f52a605e5fc307bdcaedb359bc2b1de9
Reviewed-on: https://go-review.googlesource.com/c/go/+/622238
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Change-Id: Ia4fbb436ca573b1820f2b4d06d2332f588334768
Reviewed-on: https://go-review.googlesource.com/c/go/+/624357
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Commands run (in both src and src/cmd):
go get golang.org/x/text@v0.19.0
go mod tidy
go mod vendor
This is in preparation for vendoring an updated x/tools it has a
requirement on x/text v0.19.0.
Change-Id: Ia61f668ce802a039d441eff1c3a105653edcc9cd
Reviewed-on: https://go-review.googlesource.com/c/go/+/623856
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Seems simple, but putting the return after fatal ensures that at the
point of the small group loop, no call has happened so the key is
still in a register. This ensures that we don't have to restore the
key from the stack before the comparison on each iteration. That gets
rid of a load from the inner loop.
name old time/op new time/op delta
MapAccessHit/Key=int64/Elem=int64/len=6-8 4.01ns ± 6% 3.85ns ± 3% -3.92% (p=0.001 n=10+10)
Change-Id: Ia23ac48e6c5522be88f7d9be0ff3489b2dfc52fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/624255
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Use matchEmptyOrDeleted instead of matchEmpty.
Streamline the code a bit.
TODO: replicate in all the _fast files.
Change-Id: I4df16a13a19df3aaae0c42e0c12f20552f08ead6
Reviewed-on: https://go-review.googlesource.com/c/go/+/624055
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
It's a bit more efficient.
Change-Id: If813a597516c41fdac6f60e586641d0ee1cde025
Reviewed-on: https://go-review.googlesource.com/c/go/+/623818
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
I don't think we have any code that uses this function.
Unless it is something for the future.
Change-Id: I7e44634f7a9c1d4d64d84c358447ccf213668d92
Reviewed-on: https://go-review.googlesource.com/c/go/+/622077
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Ever since we had to upgrade from our COS image, we've been experiencing
TSAN test failures. My best guess is that the ASLR randomization entropy
increased, causing TSAN to fail. TSAN already re-execs itself in Clang
18+ with ASLR disabled, so just execute the tests with ASLR disabled on
Linux.
Fixes#59418.
Change-Id: Icb4536ddf0f2f5e7850734564d40f5a208ab8d01
Cq-Include-Trybots: luci.golang.try:gotip-linux-386,gotip-linux-386-clang15,gotip-linux-amd64-clang15,gotip-linux-amd64-boringcrypto,gotip-linux-amd64-aliastypeparams,gotip-linux-amd64-asan-clang15,gotip-linux-amd64-msan-clang15,gotip-linux-amd64-goamd64v3
Reviewed-on: https://go-review.googlesource.com/c/go/+/623956
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This patch is a copy of CL 478595.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Ifb6e8183c83a5dfe5dec84e173a74d5de62692a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/623875
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
All remaining unary bitop instructions in the LoongArch v1.00 base ISA
are added with this change.
While at it, add the missing W suffix to the current CLO/CLZ names. They
are not used anywhere as far as we know, so no breakage is expected.
Also, stop reusing SLL's instruction format for simplicity, in favor of
a new but trivial instruction format case.
This patch is a copy of CL 477717.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Idbcaca25dda1ed313674ef8b26da722e8d7151c0
Reviewed-on: https://go-review.googlesource.com/c/go/+/623876
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
We've already use size==0 to indicate sending until EOF for
poll.SendFile on non-Linux platforms: Windows/*BSD/macOS/Solaris.
Let's harmonize Linux with others, making poll.SendFile on Linux
match its comment.
Change-Id: Ibfe9c9aa8f16bc37812afce9f95995c715cce0bb
Reviewed-on: https://go-review.googlesource.com/c/go/+/623057
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
*BSD can also returns (>0, EAGAIN) with non-blocking socket,
it's therefore not macOS-specific.
Change-Id: I57a393da31fab7788ad5779a038396be8236b0f9
Reviewed-on: https://go-review.googlesource.com/c/go/+/623056
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
