Fixes#62254Fixes#48622
Change-Id: Ida598e7fa914c8737fdbc1c813bcd68adb5119c3
Reviewed-on: https://go-review.googlesource.com/c/go/+/542275
Reviewed-by: Michael Knyszek <mknyszek@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>
Run-TryBot: Andy Pan <panjf2000@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
To get them to pass, implement more fake syscalls.
To make those syscalls easier to reason about, replace
the use of sync.Cond with selectable channels.
Fixes#59718.
Fixes#50216.
Change-Id: I135a6656f5c48f0e5c43dc4d4bcbdb48ee5535d2
Reviewed-on: https://go-review.googlesource.com/c/go/+/526117
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Achille Roussel <achille.roussel@gmail.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This test is flaky, apparently due to a typo'd operator in CL 21447
that causes it to compare “same port OR IP” instead of
“same port AND IP”.
If we merely fixed the comparison, the test would hopefully stop being
flaky itself, but we would still be left with another problem:
repeatedly dialing a port that we believe to be unused can interfere
with other tests, which may open the previously-unused port and then
attempt a single Dial and expect it to succeed. Arbitrary other Dial
calls for that port may cause the wrong connection to be accepted,
leading to spurious test failures.
Moreover, the test can be extremely expensive for the amount of data
we hope to get from it, depending on the system's port-reuse
algorithms and dial implementations. It is already scaled back by up
to 1000x on a huge number of platforms due to latency, and may even be
ineffective on those platforms because of the arbitrary 1ms Dial
timeout. And the incremental value from it is quite low, too: it tests
the workaround for what is arguably a bug in the Linux kernel, which
ought to be fixed (and tested) upstream instead of worked around in
every open-source project that dials local ports.
Instead of trying to deflake this test, let's just get rid of it.
Fixes#18290.
Change-Id: I8a58b93d67916a33741c9ab29ef99c49c46b32c4
Reviewed-on: https://go-review.googlesource.com/c/go/+/460657
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
CL 107196 introduced a default TCP keepalive interval for Dialer and TCPListener (used by both ListenConfig and ListenTCP). Leaving DialTCP out was likely an oversight.
DialTCP's documentation says it "acts like Dial". Therefore it's natural to also expect DialTCP to enable TCP keepalive by default.
This commit addresses this disparity by moving the enablement logic down to the newTCPConn function, which is used by both dialer and listener.
Fixes#49345
Change-Id: I99c08b161c468ed0b993d1dbd2bd0d7e803f3826
GitHub-Last-Rev: 5c2f1cb0fb
GitHub-Pull-Request: golang/go#56565
Reviewed-on: https://go-review.googlesource.com/c/go/+/447917
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Passing in an explicit testing.TB gives two benefits:
1. It allows the helper to fail the test itself, instead of returning
an error to the caller. A non-nil error invariably fails the
calling test, and none of these callers bother to add detail to the
error when logging it anyway so returning the error just added
noise to the test bodies.
2. It allows the helper to use t.Cleanup to perform any needed cleanup
tasks, which will be used in CL 370695 to clean up temp directories
used as namespaces for unix socket paths.
For #34611
Change-Id: I805e701687c12de2caca955649369294229c10b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/370696
Trust: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
When these packages are released as part of Go 1.18,
Go 1.16 will no longer be supported, so we can remove
the +build tags in these files.
Ran go fix -fix=buildtag std cmd and then reverted the bootstrapDirs
as defined in src/cmd/dist/buildtool.go, which need to continue
to build with Go 1.4 for now.
Also reverted src/vendor and src/cmd/vendor, which will need
to be updated in their own repos first.
Manual changes in runtime/pprof/mprof_test.go to adjust line numbers.
For #41184.
Change-Id: Ic0f93f7091295b6abc76ed5cd6e6746e1280861e
Reviewed-on: https://go-review.googlesource.com/c/go/+/344955
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Make all our package sources use Go 1.17 gofmt format
(adding //go:build lines).
Part of //go:build change (#41184).
See https://golang.org/design/draft-gobuild
Change-Id: Ia0534360e4957e58cd9a18429c39d0e32a6addb4
Reviewed-on: https://go-review.googlesource.com/c/go/+/294430
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
The transponder sets up a deferred close on accepted connections which
is fine after the client reads all data. However there are no mutexes
nor channels to block the transponder from closing. If the scheduler
runs close before the client read, it will cause an EOF failure.
Fixes#42720
Change-Id: Ic21b476c5efc9265a80a2c6f8484efdb5af66405
Reviewed-on: https://go-review.googlesource.com/c/go/+/273672
Run-TryBot: Meng Zhuo <mzh@golangcn.org>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Meng Zhuo <mzh@golangcn.org>
Reviewed-by: Damien Neil <dneil@google.com>
Introduce GOOS=ios for iOS systems. GOOS=ios matches "darwin"
build tag, like GOOS=android matches "linux" and GOOS=illumos
matches "solaris". Only ios/arm64 is supported (ios/amd64 is
not).
GOOS=ios and GOOS=darwin remain essentially the same at this
point. They will diverge at later time, to differentiate macOS
and iOS.
Uses of GOOS=="darwin" are changed to (GOOS=="darwin" || GOOS=="ios"),
except if it clearly means macOS (e.g. GOOS=="darwin" && GOARCH=="amd64"),
it remains GOOS=="darwin".
Updates #38485.
Change-Id: I4faacdc1008f42434599efb3c3ad90763a83b67c
Reviewed-on: https://go-review.googlesource.com/c/go/+/254740
Trust: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
You were a useful port and you've served your purpose.
Thanks for all the play.
A subsequent CL will remove amd64p32 (including assembly files and
toolchain bits) and remaining bits. The amd64p32 removal will be
separated into its own CL in case we want to support the Linux x32 ABI
in the future and want our old amd64p32 support as a starting point.
Updates #30439
Change-Id: Ia3a0c7d49804adc87bf52a4dea7e3d3007f2b1cd
Reviewed-on: https://go-review.googlesource.com/c/go/+/199499
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Like GOOS=android which implies the "linux" build tag, GOOS=illumos
implies the "solaris" build tag. This lets the existing ecosystem of
packages still work on illumos, but still permits packages to start
differentiating between solaris and illumos.
Fixes#20603
Change-Id: I8f4eabf1a66060538dca15d7658c1fbc6c826622
Reviewed-on: https://go-review.googlesource.com/c/go/+/174457
Run-TryBot: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
It's not always necessary to wake timerproc even if we add
a new timer to the top of the heap. Since we don't wake and
reset timerproc when we remove timers, it still can be sleeping
with shorter timeout. It such case it's more profitable to let it
sleep and then update timeout when it wakes on its own rather than
proactively wake it, let it update timeout and go to sleep again.
name old time/op new time/op delta
TCP4OneShotTimeout-6 18.6µs ± 1% 17.2µs ± 0% -7.66% (p=0.008 n=5+5)
SetReadDeadline-6 562ns ± 5% 319ns ± 1% -43.27% (p=0.008 n=5+5)
Update #25729
Change-Id: Iec8eacb8563dbc574a82358b3bac7ac479c16826
Reviewed-on: https://go-review.googlesource.com/c/146337
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit adds the js/wasm architecture to the net package.
The net package is not supported by js/wasm, but a simple fake
networking is available so tests of other packages that require
basic TCP sockets can pass. The tests of the net package itself
are mostly disabled.
Updates #18892
Change-Id: Id287200c39f0a3e23d20ef17260ca15ccdcca032
Reviewed-on: https://go-review.googlesource.com/109995
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
It appears that TransmitFile Windows API does not work with Windows
pipes. So just copy data from pipe and into TCP connection manually.
Fixes#22278
Change-Id: I4810caca5345eac5bffb3176956689b8ae993256
Reviewed-on: https://go-review.googlesource.com/79775
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This change delays IP protocol stack-snooping system calls until the
start of connection setup for the better experience with some system
call auditing, such as seccomp on Linux. See #16789 for examples.
Also updates the documentation on favoriteAddrFamily, which is the
owner of stack-snooping system calls.
Fixes#16789.
Change-Id: I4af27bc1ed06ffb1f657b6f6381c328c1f41c66c
Reviewed-on: https://go-review.googlesource.com/40750
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Also retightens test cases for Resolve{TCP,UDP,IP}Addr which are using
interface names for specifying IPv6 zone.
Updates #14037.
Fixes#18362.
Change-Id: I7444b6302e2847dfbdab8a0ad5b2e702bed1a3d6
Reviewed-on: https://go-review.googlesource.com/34670
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
The test requires tons of memory and results various failures, mainly
runtime errors and process termination by SIGKILL, caused by resource
exhaustion when the node under test doesn't have much resources.
This change makes use of -tcpbig flag to enable the test.
Change-Id: Id53fa5d88543e2e60ca9bb4f55a1914ccca844e1
Reviewed-on: https://go-review.googlesource.com/33254
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This change is an experimental implementation of asynchronous
cancelable I/O operations on Plan 9, which are required to
implement deadlines.
There are no asynchronous syscalls on Plan 9. I/O operations
are performed with blocking pread and pwrite syscalls.
Implementing deadlines in Go requires a way to interrupt
I/O operations.
It is possible to interrupt reads and writes on a TCP connection
by forcing the closure of the TCP connection. This approach
has been used successfully in CL 31390.
However, we can't implement deadlines with this method, since
we require to be able to reuse the connection after the timeout.
On Plan 9, I/O operations are interrupted when the process
receives a note. We can rely on this behavior to implement
a more generic approach.
When doing an I/O operation (read or write), we start the I/O in
its own process, then wait for the result asynchronously. The
process is able to handle the "hangup" note. When receiving the
"hangup" note, the currently running I/O operation is canceled
and the process returns.
This way, deadlines can be implemented by sending an "hangup"
note to the process running the blocking I/O operation, after
the expiration of a timer.
Fixes#11932.
Fixes#17498.
Change-Id: I414f72c7a9a4f9b8f9c09ed3b6c269f899d9b430
Reviewed-on: https://go-review.googlesource.com/31521
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
The restrictions were already being applied to the IP addresses
received from the host resolver. Apply the same restrictions to
literal IP addresses not passed to the host resolver.
For example, ResolveTCPAddr("tcp4", "[2001:db8::1]:http") used
to succeed and now does not (that's not an IPv4 address).
Perhaps a bit surprisingly,
ResolveTCPAddr("tcp4", "[::ffff:127.0.0.1]:http") succeeds,
behaving identically to ResolveTCPAddr("tcp4", "127.0.0.1:http"), and
ResolveTCPAddr("tcp6", "[::ffff:127.0.0.1]:http") fails,
behaving identically to ResolveTCPAddr("tcp6", "127.0.0.1:http").
Even so, it seems right to match (by reusing) the existing filtering
as applied to addresses resolved by the host C library.
If anyone can make a strong argument for changing the filtering
of IPv4-inside-IPv6 addresses, the fix can be applied to all
the code paths in a separate CL.
Fixes#14037.
Change-Id: I690dfdcbe93d730e11e00ea387fa7484cd524341
Reviewed-on: https://go-review.googlesource.com/32100
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
CL 28484 mistakenly assumed that WSARecv returns WSAEINPROGRESS
when there is nothing to read. But the error is ERROR_IO_PENDING.
Fix that mistake.
I was about to write a test for it. But I have found
TestTCPReadWriteAllocs in net package that does nearly what I need,
but was conveniently disabled. So enable and extend the test.
Fixes#16988
Change-Id: I55e5cf8998a9cf29e92b398d702280bdf7d6fc85
Reviewed-on: https://go-review.googlesource.com/28990
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This change renames {ipraw,tcp,udp,unix}_test.go to
{ipraw,tcp,udp,unix}sock_test.go for clarification. Also moves
NSS-related system configuration test helpers into main_conf_test.go and
main_noconf_test.go.
Change-Id: I28ba1e8ceda7b182ee3aa85f0ca3321388ba45e2
Reviewed-on: https://go-review.googlesource.com/19787
Reviewed-by: Ian Lance Taylor <iant@golang.org>
