TestDup used a file descriptor without ensuring it was free,
leading to rare crashes in the runtime netpoller when the victim fd
was the polling descriptor.

Updates golang/go#29423

Change-Id: Idc8b6b47f7e966e045f57f2028e7b6b79e0fb3f3
Reviewed-on: https://go-review.googlesource.com/c/163638Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Change-Id: I06997987f2d54a1fbca098878a3bac473ec1bfc0
Reviewed-on: https://go-review.googlesource.com/c/163379
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Add the SetsockoptCanRawFilter func and CanFilter type to allow kernel
message filtering on AF_CAN sockets.

Fixes golang/go#29638

Change-Id: I4042825527ba2bc9aeb8dbe70d1960a06b15c29e
Reviewed-on: https://go-review.googlesource.com/c/163318
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Adding this helper enables me to eliminate some nasty code which
invokes unix.Syscall6 directly, and which has 32-bit shims for
invoking setsockopt properly on 32-bit Linux.

Change-Id: I53ef411e4c96cef557999261760cddc00df58d8a
Reviewed-on: https://go-review.googlesource.com/c/163303
Run-TryBot: Matt Layher <mdlayher@gmail.com>
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The current implementation for ppc64{,le} only supports linux (through
HWCaps read from /proc/self/auxv) and fails to build e.g. on
aix/ppc64.

Change-Id: I5e1efe75c781fd08bc7bbe797df88295726ba62b
Reviewed-on: https://go-review.googlesource.com/c/162798
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Reviewed-by: Ian Lance Taylor <iant@golang.org>

x/sys/unix is vendored into the standard library, and the commit hook
for the standard library requires files to be gofmt-clean.

Updates golang/go#26924

Change-Id: I22a994062bcdbebe8a1fe1ae0ed4606837f03079
Reviewed-on: https://go-review.googlesource.com/c/162990Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Updates golang/go#28387

Change-Id: Ibcdc3f9cb3dc43b86b7e7d3539ed592219e54aba
Reviewed-on: https://go-review.googlesource.com/c/162987
Run-TryBot: Bryan C. Mills <bcmills@google.com>
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These are an implementation detail and should not have been
exported. This only affects Linux on platforms other than 386 and
amd64.

Fixes golang/go#30255.

Change-Id: Ib23b42a7309fd6093b6b9d8b6628de222a3928be
Reviewed-on: https://go-review.googlesource.com/c/163004
Run-TryBot: Michael Munday <mike.munday@ibm.com>
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The words in auxval are encoded in native byte order.

I haven't added a test. This fix will be tested when s390x support
is added to the package.

Change-Id: I276f833660e6906c319995798faf9054ffc69461
Reviewed-on: https://go-review.googlesource.com/c/162902
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The current implementation for arm64 only supports linux (through HWCaps
read from /proc/self/auxv) and fails to build e.g. on darwin/arm64.

Fixes golang/go#30237

Change-Id: I9f32a285760795441a829b0a81b2d5aff04e2dc4
Reviewed-on: https://go-review.googlesource.com/c/162797
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Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Update references to mksyscall*.pl and mksysnum*.pl Perl scripts in
"README.md" with mksyscall*.go and mksysnum*.go Go programs.

Updates golang/go#27779

Change-Id: Ide3f5d9894c91aa6103d6bbe5ec64a47c969daa7
Reviewed-on: https://go-review.googlesource.com/c/162278Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

Port mksyscall_solaris.pl Perl script to mksyscall_solaris.go.
mkall.sh script is modified to run mksyscall_solaris.go. Running
mkall.sh does not generate any git diff besides the command
name in comments of generated files.

Updates golang/go#27779

Change-Id: I773c9732a882780400a06f578c00e455e133231b
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Updates golang/go#25633

Change-Id: I20ff2d0cda642fb7b155d3ae06499e8c0ef0a2b2
Reviewed-on: https://go-review.googlesource.com/c/161721
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Change-Id: I77f491029a8f2e37ffbda3d0f50795287d6cd641
Reviewed-on: https://go-review.googlesource.com/c/161720
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

If you don't set GOOS and you try to regenerate
the darwin files, it appears to succeed.
However, because libc was not selected,
it generates broken code.

Change-Id: I20fb4f51dcc539a03b6c6ed03ce39b78d5987d41
Reviewed-on: https://go-review.googlesource.com/c/161719
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
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Drop the manually defined *_XDP constants which were added to glibc.
Install python3 instead of python because glibc's confugure script now
requires at least 3.4.

Change-Id: Ic19ff4d8aa4dbadeb5438e331ccafeafc2cc9925
Reviewed-on: https://go-review.googlesource.com/c/160957
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This is a very classic and highly useful Windows API that I'm surprised
it's still not here.

Change-Id: If54319099cd94dd727126c579dd5a681979321cd
Reviewed-on: https://go-review.googlesource.com/c/160937
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Alex Brainman <alex.brainman@gmail.com>

Change mode of mksyscall_aix_ppc64.go to 644.

Change-Id: Icebc0944a739b58111f5420ec2f0850b348f1fee
Reviewed-on: https://go-review.googlesource.com/c/160918Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Change-Id: I79c721d0f4fe097daf096dc7404675aa3048bf6a
Reviewed-on: https://go-review.googlesource.com/c/160757
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Change-Id: I2d0094d64ba12f888758aeebdb43aed353ddeeb9
Reviewed-on: https://go-review.googlesource.com/c/160577
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

Add IoctlGetRTCTime and IoctlSetRTCTime to get and set the RTC time via
the RTC_RD_TIME and RTC_SET_TIME ioctls.

Change-Id: I63190026be39746599c2cd7116603d4a1d5bd695
Reviewed-on: https://go-review.googlesource.com/c/160397
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Change-Id: I4e1facc318d87fdd2abca1de040fdcb25680339e
GitHub-Last-Rev: bfebe235283dd12d07c69609011e47f155ccc008
GitHub-Pull-Request: golang/sys#30
Reviewed-on: https://go-review.googlesource.com/c/159597Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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The zsysnum_{freebsd,netbsd}_arm64.go files were generated before
mksysnum was converted to Go in CL 152677. Regenerate them to adjust the
comment specifying the command used for generation.

Change-Id: I8f00249848fe20e388f255e9e615da1e0727c140
Reviewed-on: https://go-review.googlesource.com/c/159778
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It shouldn't make a difference for generating types and consts, but
let's use the glibc release branch anyway.

Fixes golang/go#29873

Change-Id: I15a3df250f5ae6181b2d036a10e0523ebe44ac3f
Reviewed-on: https://go-review.googlesource.com/c/158997Reviewed-by: Ian Lance Taylor <iant@golang.org>

Port mksyscall_aix_ppc64.pl Perl script to mksyscall_aix_ppc64.go.
mkall.sh script is modified to run mksyscall.go. Running
mkall.sh does not generate any git diff besides the command
name in comments of generated files.

Updates golang/go#27779

Change-Id: Ie888c0df470dcfc75034faa12cf3422b2d426629
Reviewed-on: https://go-review.googlesource.com/c/158699
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Also add additional packet timestamping constants and types defined
in the same header.

Change-Id: I4280f925b46e229f4c3a83a7fee4612592314016
Reviewed-on: https://go-review.googlesource.com/c/158761
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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This isn't a real generation, it's mostly a copy of the amd64
files, due to difficulties in generation.

There should be little to no differences between netbsd 64bit
archs.

Change-Id: I1c7b25cfef87220c827018e73695e5ca08987156
GitHub-Last-Rev: 043207b2c25fbfe959e66bddc238d5b2f053a04f
GitHub-Pull-Request: golang/sys#27
Reviewed-on: https://go-review.googlesource.com/c/155738Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
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On linux/riscv64, char defaults to unsigned, so explicitly make
RawSockaddrUnix.Path signed.

Patch by Ryan O'Leary.

Updates golang/go#27532

Change-Id: If99a3953462ad98f61d8fafcda3ebb71b44e6018
Reviewed-on: https://go-review.googlesource.com/c/157900
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On linux/riscv64, the renameat syscall no longer exists and has been
superseded by renameat2. Use Renameat2 to implement Renameat on
linux/riscv64.

Based on a patch by Ryan O'Leary.

Updates golang/go#27532

Change-Id: I7c60c7f824750408265f67397b8ac1fa7226f425
Reviewed-on: https://go-review.googlesource.com/c/157899
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Also add a test now that all unices have Renameat.

Change-Id: I9098662569e9910122dc686559bbd04be06328fa
Reviewed-on: https://go-review.googlesource.com/c/157898
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@golang.org>

Also add the SFD_* constants and SignalfdSiginfo type.

Change-Id: I3415c212b85c9d5a940ba2bf70f43739a2630d78
Reviewed-on: https://go-review.googlesource.com/c/157897
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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This adds the ClockNanosleep syscall and the TIMER_* constants;
currently only TIMER_ABSTIME for specifying an absolute timestamp.

Change-Id: Ic8d857eb92818529aadab569cd8646a19bb9c055
Reviewed-on: https://go-review.googlesource.com/c/157658
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Use the https:// URLs to get syscalls.master for freebsd, openbsd and
dragonfly. For netbsd, keep using the http:// URL since HTTPS is not
supported.

Change-Id: Ibcbd19d5e3b4585552ea65dcdc742c2e7bfce944
Reviewed-on: https://go-review.googlesource.com/c/157057
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Port mksyscall_aix_ppc.pl Perl script to mksyscall_aix_ppc.go.
mkall.sh script is modified to run mksyscall.go. Running
mkall.sh does not generate any git diff besides the command
name in comments of generated files.

Updates golang/go#27779

Change-Id: I57b0e5f9fe44dadd96d0e512046bb63e8e1b9f66
Reviewed-on: https://go-review.googlesource.com/c/156778Reviewed-by: Clément Chigot <clement.chigot@atos.net>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
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Port from Go internal/cpu.

Fixes golang/go#25185

Change-Id: Id3cac18da6ffec9d10df755c4032ce3068ab634d
Reviewed-on: https://go-review.googlesource.com/c/152938Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

Modify unix/mksyscall.go to support plan9.
This does not generate any git diff besides the
command name in comments of generated files and
addition of +build tags.

Updates golang/go#27779

Change-Id: I359a80d1c08837d92a7095e5235867c29a2d2a60
Reviewed-on: https://go-review.googlesource.com/c/156157
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Missed this one.

Update golang/go#17490.

Change-Id: I5ab2197f9981b712b37d3060f72209bebcadf291
Reviewed-on: https://go-review.googlesource.com/c/156346
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Update mksyscall.pl to skip generating calls to "use".

See issue https://golang.org/issue/16607
and CL https://golang.org/cl/36616

Change-Id: Id36614fce5d98a8538edf4f4a7276e650b99b839
Reviewed-on: https://go-review.googlesource.com/c/156437Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
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Change-Id: Iadc92b5afd18a5c1df0bc42b0d6f52f0b768b47a
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This wasn't actually generated on freebsd/arm64 yet. It's mostly a copy
of the amd64 files for now.

Updates golang/go#24715

Change-Id: If24c3c5803a4708f0b26d738f690cbea1694ca88
Reviewed-on: https://go-review.googlesource.com/c/155978
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