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Author SHA1 Message Date
Tobias Klauser
5e4e11fc64 unix/linux: use gotip instead of patched Go 1.18 
CL 399336 added support for generating linux/loong64 types and constants
by using a patched version of Go 1.18. The necessary changes have since
been submitted to gotip, so use Go build from the master branch to
generate types and consts.

The changes in the cgo -godefs generated comments are due to CL 396936,
also see go.dev/issue/52063

Change-Id: I314156675e79ba77b9eb1fa1845b20ca974ec77a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/406794
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
 2022-05-17 19:59:34 +00:00
Ed Schouten
45d2b4557a unix: add mount(2) for macOS 
The 'data' argument of this method needs to point to a file system type
specific data structure. In the case of NFS (which I'm interested in
using), this needs to point to an XDR encoded message. The schema for
this message can be found here:

https://github.com/apple-oss-distributions/NFS/blob/main/mount_nfs/nfs_sys_prot.x

Change-Id: Ia49562ba6e8ab5d4c00eb961db6862fb1310b74e
GitHub-Last-Rev: 62c32df776
GitHub-Pull-Request: golang/sys#125
Reviewed-on: https://go-review.googlesource.com/c/sys/+/405494
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
 2022-05-13 21:02:49 +00:00
Bryan C. Mills
988cb79eb6 execabs: add legacy "//+build" constraints 
Go releases before Go 1.17 are no longer supported, and Go 1.17
supports the newer "//go:build" syntax, so the older "//+build"
variation is no longer required by Go's support policy. However, the
x/sys module is very low-level and empirically some users are still on
unsupported Go releases, so there is little harm in adding the older
variations.

Fixes golang/go#52668.

Change-Id: Ieb8e64e450b9d795f2753fc5f99b36816a3dbff3
Reviewed-on: https://go-review.googlesource.com/c/sys/+/403695
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Russ Cox <rsc@golang.org>
 2022-05-03 16:30:25 +00:00
Russ Cox
b6088ccd6c execabs: make safe for Go 1.19 
To preserve the same errors that LookPath used to return,
LookPath needs to know to ignore the new Go 1.19 exec.ErrDot errors.

For golang/go#43724.

Change-Id: I8938813a1a4e14bf697f05879e3ab212611644da
Reviewed-on: https://go-review.googlesource.com/c/sys/+/403256
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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 2022-05-02 12:42:56 +00:00
Russ Cox
b5fbb4746d all: gofmt 
Gofmt to update doc comments to the new formatting.

For golang/go#51082.

Change-Id: I9a1c4b671c06820a1c383ee515f7884965fefa54
Reviewed-on: https://go-review.googlesource.com/c/sys/+/399602
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Russ Cox <rsc@golang.org>
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 2022-04-29 23:34:32 +00:00
Aayush Agrawal
84afa8d3f7 windows: do not change stdio handle inheritance 
This CL stops changing inheritance flag of stdint, stdout and stderr handles.

Fixes golang/go#52498

Change-Id: Ic786f660b457af99a0a975b357c35c36bc7f2b48
Reviewed-on: https://go-review.googlesource.com/c/sys/+/402714
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Peter Weinberger <pjw@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
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 2022-04-29 12:10:18 +00:00
limeidan
9388b58f71 unix: add loong64 tag to endian_little.go 
Updates golang/go#46229

Change-Id: I35b57e9158671b159a73b4eba4baa8bfebf2ce31
Reviewed-on: https://go-review.googlesource.com/c/sys/+/400774
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
 2022-04-22 01:37:27 +00:00
limeidan
88d2bb9c0c unix: add generate component files support for linux/loong64 
Updates golang/go#46229

Change-Id: If0ee99997360608d7ba218880a1ef180ca6db551
Reviewed-on: https://go-review.googlesource.com/c/sys/+/399336
Reviewed-by: Matt Layher <mdlayher@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
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Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
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Reviewed-by: Than McIntosh <thanm@google.com>
 2022-04-22 01:37:25 +00:00
Damien Neil
33da011f77 unix: check correct group in Faccessat 
The Faccessat call checks the user, group, or other permission bits of a
file to see if the calling process can access it. The test to see if the
group permissions should be used was made with the wrong group id, using
the process's group id rather than the file's group id. Fix this to use
the correct group id.

This change only affects Linux versions prior to 5.8. Linux 5.8 added
the faccessat2 system call, which we use in preference to the internal
implementation.

No test since we cannot easily change file permissions when not running
as root and the test is meaningless if running as root.

For golang/go#52313

Change-Id: I6fa64379a50c9380207eab9d095ef7fbd05a2d59
Reviewed-on: https://go-review.googlesource.com/c/sys/+/400074
Run-TryBot: Damien Neil <dneil@google.com>
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Reviewed-by: Ian Lance Taylor <iant@google.com>
 2022-04-12 21:12:40 +00:00
Alexey Perevalov
889880a91f unix: fsmount fspick fsopen linux syscall 
Patches were submitted to Linux manpages:
https://lwn.net/Articles/802096/, but not yet applied.
Generated on linux kernel v5.16.

Fsconfig couldn't implemented by generator, it requires
special cases handling.

Change-Id: I7f9560f4bc5b4bbe1e00c63ce1bc25c781aa1293
Reviewed-on: https://go-review.googlesource.com/c/sys/+/398434
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
 2022-04-12 07:17:39 +00:00
limeidan
83041a38b1 unix: provide linux/loong64 assembly for syscalls 
Updates golang/go#46229

Change-Id: I0c0d9224312915fc3b86a0cd4abb344286449909
Reviewed-on: https://go-review.googlesource.com/c/sys/+/399335
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Russ Cox <rsc@golang.org>
 2022-04-12 01:58:02 +00:00
limeidan
0a89baf871 cpu: add basic support for GOARCH=loong64 
Updates golang/go#46229

Change-Id: Ibee284c742532dec798f4a5ecfe38b429825d7aa
Reviewed-on: https://go-review.googlesource.com/c/sys/+/399334
Run-TryBot: Ian Lance Taylor <iant@golang.org>
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Reviewed-by: Russ Cox <rsc@golang.org>
 2022-04-12 01:57:24 +00:00
Florian Lehner
a24fb2fb8a unix: add constants for netlink/routing rules 
Change-Id: Ic68b65e71125b755418f9d8d01a9500aa1e9ffc1
Reviewed-on: https://go-review.googlesource.com/c/sys/+/399194
Reviewed-by: Matt Layher <mdlayher@gmail.com>
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 2022-04-08 20:14:24 +00:00
Tobias Klauser
3f8b81556e unix/linux: update to Linux kernel 5.17 
Change-Id: I8e982e355d6058198f5b555c2f33e18301872909
Reviewed-on: https://go-review.googlesource.com/c/sys/+/398435
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 2022-04-06 16:36:25 +00:00
Alexey Perevalov
289d7a0edf unix: add MoveMount syscall on linux 
This syscall is not yet described in linux man pages
(https://github.com/mkerrisk/man-pages.git),
but it was submitted to lkml https://lwn.net/Articles/802095/
This syscall appeared in linux v5.2.

Change-Id: I0708bfceda8d7a7608d0d0e75e36c3d81302dedb
Reviewed-on: https://go-review.googlesource.com/c/sys/+/397095
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 2022-04-06 15:52:45 +00:00
Eric Lagergren
1e041c57c4 unix: revert MemfdSecret changes to riscv64 
Linux apparently supports the memfd_secret syscall on riscv, but
SYS_MEMFD_SECRET isn't defined by zsysnum_linux_riscv64.go.

Updates #51547

Change-Id: I138ce679bf742a7ff4ce1d5e10db84a00df0e271
Reviewed-on: https://go-review.googlesource.com/c/sys/+/398514
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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 2022-04-05 21:05:40 +00:00
Eric Lagergren
b1e9470b6e unix: add MemfdSecret 
Fixes #51547

Change-Id: I07a02e8e6ac8baaa72f1c214621fbaca6a6ed707
Reviewed-on: https://go-review.googlesource.com/c/sys/+/397774
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 2022-04-05 05:20:23 +00:00
Eric Lagergren
6acee93ad0 unix: regenerate OPEN_TREE_CLONE 
Constant was incorrectly generated in CL 397094.

Change-Id: I3aeef51e1ad2ec43332fbcdff6afc705b098f57d
Reviewed-on: https://go-review.googlesource.com/c/sys/+/397814
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 2022-04-03 20:57:10 +00:00
Alexey Perevalov
483a9cbc67 unix: add OpenTree on linux 
This syscall is not yet described in linux man pages
(https://github.com/mkerrisk/man-pages.git)
but it was attempts to do it (https://lwn.net/Articles/829496/)
This syscall appeared in linux kernel v5.2

Change-Id: If44aa74c4ddd200831011c6c4bf4bd4fee440785
Reviewed-on: https://go-review.googlesource.com/c/sys/+/397094
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 2022-04-03 02:05:50 +00:00
Matt Layher
e17cdc4130 unix: fix staticcheck issues 
Change-Id: If7abd7a743c4359a9780401cec7c874d530ee268
Reviewed-on: https://go-review.googlesource.com/c/sys/+/396674
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 2022-03-30 03:32:06 +00:00
Matt Layher
43be30ef30 unix: skip Linux TestPidfd if Waitid returns EINVAL 
The updated test in CL 395936 appears to break GOARCH mips* builders.

Updates golang/go#52014

Change-Id: I42bb71d6afda2112a524257fd1b42306dd22689c
Reviewed-on: https://go-review.googlesource.com/c/sys/+/396154
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 2022-03-29 15:23:56 +00:00
Tobias Klauser
d36c6a25d8 unix/linux: update to Go 1.18 
Change-Id: I663b4e6346cec4a51f4423a38cc1315c5b51956d
Reviewed-on: https://go-review.googlesource.com/c/sys/+/396114
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 2022-03-28 11:51:05 +00:00
Tobias Klauser
530d0810a4 unix: add utimensat libc wrapper on darwin 
Direct syscalls are no longer supported on darwin (CL 250437), so
utimensat can be implemented as a wrapper around the libc function.
The utimensat function was added in macOS 10.13 and Go 1.17 dropped
support for macOS 10.12.

This also allows to drop the fallback to setattrlistTimes which was
used to set timestamps with nanosecond resolution before utimensat could
be used, see golang/go#22528 and CL 74952.

Change-Id: I206291277e6f7200ca7a659e29075968647779a6
Reviewed-on: https://go-review.googlesource.com/c/sys/+/251737
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Keith Randall <khr@golang.org>
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 2022-03-27 21:02:14 +00:00
Matt Layher
36772127a2 unix: implement Waitid on Linux 
waitid(2) can be used to wait on pidfds. Update TestPidfd to test this new
functionality as well.

Change-Id: I5f26140b9afd5a6ec3f04217fb1c91542936a2c3
Reviewed-on: https://go-review.googlesource.com/c/sys/+/395936
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 2022-03-25 20:38:50 +00:00
Nahum Shalman
594fa53f00 unix: solaris/illumos Event Ports ENOENT cleanup 
When we receive ENOENT from port_dissociate,
we should clean up our map reference.
To do so safely, we need a place to track
the user cookies.

This work is in support of fsnotify/fsnotify#371

Change-Id: Iae53ccc508d533941ad19df9051ca046262095ef
Reviewed-on: https://go-review.googlesource.com/c/sys/+/380034
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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 2022-03-25 20:22:31 +00:00
Matt Layher
a9b59b0215 unix: add PidfdSendSignal on Linux 
This completes the pidfd_* family of syscalls and adds a test to verify that a
child process can be terminated using the new PidfdSendSignal function.

Change-Id: I71f6a1e26518f513731e20afef02030462e9a2c0
Reviewed-on: https://go-review.googlesource.com/c/sys/+/393794
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 2022-03-19 13:42:39 +00:00
Tobias Klauser
2edf467146 windows: optimize UTF16{,Ptr}FromString 
Use strings.IndexByte in UTF16FromString instead of an open-coded loop.

Change-Id: Iac4374d9a58e40659147d35c9ab21bb89f5da629
Reviewed-on: https://go-review.googlesource.com/c/sys/+/393594
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 2022-03-18 05:55:25 +00:00
Tobias Klauser
51cd9980da unix: unify Recvmsg epilogues 
Follow CL 361258 which did the same in package syscall.

Change-Id: I721406286d84ec999978e7e1ea25b6a2b3e195e6
Reviewed-on: https://go-review.googlesource.com/c/sys/+/393294
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 2022-03-17 06:15:10 +00:00
Tobias Klauser
22a226b3d1 unix: unify Sendmsg prologues 
Follow CL 361256 which did the same in package syscall.

Change-Id: Ifd22e515c220806f02400baded821ec583959d78
Reviewed-on: https://go-review.googlesource.com/c/sys/+/393274
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 2022-03-17 06:14:57 +00:00
Mathieu Aubin
2c4bbad7e9 unix/internal/mkmerge: correct typo 
Change-Id: Icaa541758d4077aa3c5755e16effa0ce173a2335
GitHub-Last-Rev: 2fcf892e3e
GitHub-Pull-Request: golang/sys#121
Reviewed-on: https://go-review.googlesource.com/c/sys/+/392234
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 2022-03-17 02:21:23 +00:00
Tobias Klauser
039c03cc5b unix: add race annotations to Pread and Pwrite 
Follow CL 391954 which changed Pread/Pwrite in package syscall.

For golang/go#51618

Change-Id: Icc587c61f083886bb66ca96717f686f56b398e34
Reviewed-on: https://go-review.googlesource.com/c/sys/+/392794
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 2022-03-15 19:43:20 +00:00
Tobias Klauser
27bbf83dae windows: add race annotations to Windows ReadFile and WriteFile 
Follow CL 392774 which changed Windows ReadFile and WriteFile in package
syscall.

For golang/go#51618

Change-Id: I0f8046adb0f8145bd0775a3b5399647897cf19ce
Reviewed-on: https://go-review.googlesource.com/c/sys/+/392814
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 2022-03-15 18:05:22 +00:00
Johan Van de Wauw
b874c991c1 cpu: fix typo in comments 
Change-Id: Icb2bacefd7d8656e0a5867cb90fe0ca06252ad0b
GitHub-Last-Rev: c6d3b42e1b
GitHub-Pull-Request: golang/sys#120
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 2022-03-10 02:08:20 +00:00
Matt Layher
22a9840ba4 unix: add nl80211 generic netlink constants for Linux 
Change-Id: Ic39f350bd0b4e3942ba576ee12b44b182178527c
Reviewed-on: https://go-review.googlesource.com/c/sys/+/388935
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 2022-03-07 20:37:07 +00:00
Dmytro Shynkevych
4e6760a101 unix: add SPEED_UNKNOWN 
The rest of the SPEED_* constants are redundant: SPEED_x is defined to simply x for x in 10, 100, ...

Change-Id: I8b29a90ea1b914a65fa165a6801fcf77c667ebb0
GitHub-Last-Rev: 1428dcc517
GitHub-Pull-Request: golang/sys#119
Reviewed-on: https://go-review.googlesource.com/c/sys/+/388214
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 2022-02-27 23:45:10 +00:00
Matt Layher
95c6836cb0 unix: add Kernel Connection Multiplexor ioctl helpers 
Builds upon the structures added in CL 348449.

Change-Id: Ia8c95f52930ac90d1a37aedcda8cc46894630bf4
Reviewed-on: https://go-review.googlesource.com/c/sys/+/387794
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 2022-02-24 12:02:31 +00:00
Matt Layher
dbe011f71a unix: add Linux Kernel Connection Multiplexor types and constants 
For details on KCM, see:
https://www.kernel.org/doc/Documentation/networking/kcm.txt.

Change-Id: I14ebf0aaad17f5a9078f027bd50e050c69b08981
Reviewed-on: https://go-review.googlesource.com/c/sys/+/348449
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 2022-02-24 00:32:55 +00:00
Oscar Söderlund
96fed51e14 unix: add can netlink types and constants 
Change-Id: Ie234f26c38a9ced6407f2970fa97b49d18119f06
Reviewed-on: https://go-review.googlesource.com/c/sys/+/387474
Reviewed-by: Matt Layher <mdlayher@gmail.com>
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 2022-02-23 15:53:57 +00:00
Tobias Klauser
f2425489ef unix/linux: update to Go 1.18rc1 
The change in ztypes_linux_s390x.go is likely due to CL 350159.

Change-Id: Ib7080255f357d484ee708e128ac9a7ab408a6dc5
Reviewed-on: https://go-review.googlesource.com/c/sys/+/386955
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 2022-02-22 20:09:37 +00:00
Kir Kolyshkin
0005352912 unix: Getwd: ensure returned path is absolute 
Since Linux kernel 2.6.36, the pathname returned by the getcwd() system
call can be prefixed with the string "(unreachable)" in some cases [1].

Getcwd should return an absolute path, and doing otherwise is a
conformance issue; it also can be dangerous, since the path returned
can be an existing relative path.

Fix by returning ENOENT in case the path is not absolute. This is
essentially the same as what glibc does (since [2]).

[1] https://man7.org/linux/man-pages/man2/getcwd.2.html#BUGS
[2] https://sourceware.org/git/?p=glibc.git;a=commit;h=52a713fdd0a30e1bd79818e2e3c4ab44ddca1a94

Change-Id: I6c48e7ec9b53be348138e3d974d3f11401c7bea6
Reviewed-on: https://go-review.googlesource.com/c/sys/+/387194
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
 2022-02-22 17:22:38 +00:00
Tobias Klauser
b146bcec3b unix: remove accept on Linux 
Same as CL 386415 does for package syscall.

accept is no longer used on Linux since CL 347329 changed Accept to use
accept4 only.

For golang/go#45964

Change-Id: I9f431044c03e7f28c08152390ad71f45eddfe9dd
Reviewed-on: https://go-review.googlesource.com/c/sys/+/386954
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 2022-02-22 16:06:53 +00:00
Matt Layher
3681064d51 unix: implement getitimer(2) and setitimer(2) on Linux 
Wrap the low-level system calls with a more idiomatic Go API and a set of
constants to indicate which timer should be queried or modified.

man 2 getitimer indicates that these system calls are obsolete as of
POSIX.1-2008, but the code I am working on has not been ported to the modern
timer_gettime(2) and timer_settime(2) APIs as of yet.

Change-Id: I91482e141047846cadf47aa2417b8770955986bf
Reviewed-on: https://go-review.googlesource.com/c/sys/+/384054
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 2022-02-09 21:45:40 +00:00
Matt Layher
5739886226 unix: implement alarm(2) on Linux on all GOARCH except arm* and riscv. 
SYS_ALARM is not defined for arm* or riscv, but is available for all other
Linux GOARCH values. Ian suggested I create a new file with build tags
matching these constraints.

In order to handle special case files such as this one (which don't match the
existing syscall_linux_goarch.go scheme), I've added logic to the Linux build
system which can evaluate the build constraints in a given file to determine
whether that file should be appended to the arguments for a given target.

Change-Id: I0136534522a26a0ce495308f63953546ea6bb8e5
Reviewed-on: https://go-review.googlesource.com/c/sys/+/383734
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Daniel Martí <mvdan@mvdan.cc>
 2022-02-07 23:40:03 +00:00
Tobias Klauser
1c1b9b1eba unix/linux: update to glibc 2.35, Go 1.17.6 
Change-Id: I90b7eee499d6ed6ea431d2c8539aae5afa25cfab
Reviewed-on: https://go-review.googlesource.com/c/sys/+/383134
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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 2022-02-04 13:58:22 +00:00
Tobias Klauser
99c3d69c2c unix: enable sysctl tests on netbsd 
Except for Getfsstat, all functions tested in syscall_bsd_test.go also
exist on netbsd. Move TestGetfsstat to a separate file so the other
tests can run on netbsd.

Change-Id: I63973e9c15a7f64c52b4edff034c03650658c4f6
Reviewed-on: https://go-review.googlesource.com/c/sys/+/381714
Trust: Tobias Klauser <tobias.klauser@gmail.com>
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 2022-01-28 21:58:02 +00:00
Bryan C. Mills
da31bd327a unix: lock the thread for TestPrctlRetInt 
The prctl system calls used in this test modify and examine the
properties of the current thread. For the test to work correctly (and
to avoid interfering with other tests), the thread must be locked for
those calls and should not be reused when the test completes.

Fixes golang/go#50607

Change-Id: I2b14e6c0440155f4287d97f0bb72099af291ba0d
Reviewed-on: https://go-review.googlesource.com/c/sys/+/378555
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 2022-01-14 19:58:35 +00:00
Tobias Klauser
5a964db013 windows: add Get{Active,Maximum}ProcesorCount 
Reference:
https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getactiveprocessorcount
https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-getmaximumprocessorcount

Change-Id: Ifca711b82f112b395eac3b96266f63b5623881fc
Reviewed-on: https://go-review.googlesource.com/c/sys/+/374435
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 2022-01-11 09:28:08 +00:00
Tobias Klauser
a018aaa089 unix/linux: update to Linux Kernel 5.16 
Change-Id: I83f84e8aa6f75fc2a6fd1744546e8dc3d5bc3a55
Reviewed-on: https://go-review.googlesource.com/c/sys/+/377134
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 2022-01-10 18:14:12 +00:00
Jason A. Donenfeld
1d35b9e2eb windows/svc: use NtQuerySystemInformation in IsWindowsService 
This brings the algorithm more exactly in line with what .NET does for
the identically named function. Specifically, instead of using
OpenProcess, which requires rights that restricted services might not
have, we use NtQuerySystemInformation(SYSTEM_PROCESS_INFORMATION) to
find the parent process image name and session ID.

Fixes golang/go#44921.

Change-Id: Ie2ad7521cf4c530037d086e61dbc2413e4e7777c
Reviewed-on: https://go-review.googlesource.com/c/sys/+/372554
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 2021-12-16 02:10:12 +00:00
Matt Layher
4abf325e02 unix: add netlink attribute type and policy type constants 
Change-Id: I343785b938461c94c32d52fb632514293564311a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/372295
Trust: Matt Layher <mdlayher@gmail.com>
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Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
 2021-12-15 21:12:19 +00:00