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12797 Commits

Author SHA1 Message Date
xackus
1b4296831a simplify api and add smoke test 2020-10-04 23:57:49 +02:00
xackus
4ec26be424 implement {get, set}rlimit for linux 2020-10-04 23:56:10 +02:00
Joran Dirk Greef
9be2941091 Split openat/close test into two separate tests 
If an older kernel fails the `openat` test because of `AT_FDCWD`
then we don't want to skip the `close` test.
 2020-10-04 17:48:05 +02:00
Joran Dirk Greef
958ff087f2 Use const wherever possible 2020-10-04 16:57:04 +02:00
Joran Dirk Greef
72bdfa5bdd Skip openat test only for older kernels that do not fully support AT_FDCWD 2020-10-04 16:05:52 +02:00
Jakub Konka
ccf9bba61f Write out LC_DYSYMTAB together with dyld_stub_binder undef symbol 2020-10-04 15:31:47 +02:00
Jakub Konka
a927f24201 Generate more MachO exe boilerplate 
* Convert draft to generate all relevant segments and sections in right places
* Do not prealloc space in text blocks until we can NOP
* Write out LC_LOAD_DYLINKER command
* Add LC_LOAD_DYLIB command in order to specify to load libSystem
* Redo update decl exports (similar to Elf globals, globals need to be contiguous in
  memory)
 2020-10-04 15:31:47 +02:00
Joran Dirk Greef
9091fcbe9d Improve openat/accept test debugging 2020-10-04 15:11:09 +02:00
Joran Dirk Greef
6a53f4be4b Add openat(), close(), connect(), send(), recv(), as well as tests 
Removes non-essential .hardlink_with_next_sqe() and .drain_previous_sqes().
 2020-10-04 13:15:39 +02:00
Joran Dirk Greef
3d2de6cfba Use load relaxed semantics when reading the SQPOLL wakeup flag 2020-10-04 13:14:57 +02:00
Joran Dirk Greef
69a55fc560 Allow for advanced non-sequential SQE allocation schemes 
Decouples SQE queueing and SQE prepping methods to allow for non-sequential
SQE allocation schemes as suggested by @daurnimator.

Adds essential SQE prepping methods from liburing to reduce boilerplate.

Removes non-essential .link_with_next_sqe() and .use_registered_fd().
 2020-10-04 13:01:41 +02:00
Joran Dirk Greef
e32c7d06e5 Limit entries to u12, add errors for invalid entries, use mem.zeroInit 2020-10-04 12:49:48 +02:00
Joran Dirk Greef
61ec6cb6d3 Expose available kernel features 2020-10-04 12:48:08 +02:00
Andrew Kelley
8170a3d574
Merge pull request #6463 from jedisct1/ghash 
std/crypto: add GHASH implementation
 2020-10-04 02:46:36 -04:00
Andrew Kelley
5fda4fe4c8
Merge pull request #6454 from jedisct1/hkdf 
std/crypto: implement the HKDF construction
 2020-10-04 02:45:54 -04:00
LemonBoy
538d485782 std: Add pow(a,b) for big ints 
Implemented following Knuth's "Evaluation of Powers" chapter in TAOCP,
some extra complexity is needed to make sure there's no aliasing and
avoid allocating too many limbs.

A brief example to illustrate why the last point is important:
consider 10^123, since 10 is well within the limits of a single limb we
can safely say that the result will surely fit in:

⌈log2(10)⌉ bit * 123 = 492 bits = 7 limbs

A naive calculation using only the number of limbs yields:

1 limb * 123 = 123 limbs

The space savings are noticeable.
 2020-10-04 02:24:40 -04:00
Andrew Kelley
70f3767903 revert adding std.event.Loop.runDetached 
I'd like to discuss this before adding it. I think this is the wrong
direction to go with this API.
 2020-10-03 17:13:22 -07:00
LemonBoy
8b4f5f039d Alternative strategy to avoid calling stat() 
This is an optimization as it avoids an extra syscall, but it's also a
workaround for fstat being not available on Windows.
 2020-10-03 19:51:22 +02:00
Joran Dirk Greef
c5b4fcaa1c Add IORING_FEAT_POLL_32BITS 2020-10-03 17:43:08 +02:00
Joran Dirk Greef
a9b107045f Use load acquire semantics when reading the SQPOLL wakeup flag 
Ensures that the wakeup flag is read after the tail pointer has been
written. It's important to use memory load acquire semantics for the
flags read, otherwise the application and the kernel might not agree on
the consistency of the wakeup flag, leading to I/O starvation.

Refs: 6768ddcc56
Refs: https://github.com/axboe/liburing/issues/219
 2020-10-03 14:34:42 +02:00
Joran Dirk Greef
95def89c23 Handle EBADFD (ring fd in bad state) in enter() 2020-10-03 14:34:01 +02:00
LemonBoy
0f248e0988 std: Make file copy ops use zero-copy mechanisms 
Use copy_file_range on Linux (if available), fcopyfile on Darwin,
sendfile on *BSDs (and on Linux kernels without copy_file_range).
 2020-10-03 12:31:17 +02:00
Loris Cro
276598346a provide the full buffer length to _NSGetExecutablePath 
Signed-off-by: Loris Cro <kappaloris@gmail.com>
 2020-10-03 12:03:22 +02:00
Loris Cro
f841ea77e2 make symlink buffer null-terminated 
Signed-off-by: Loris Cro <kappaloris@gmail.com>
 2020-10-02 19:33:14 +02:00
Loris Cro
a2074c1ec3 fix symlink path not being resolved in darwin 
Signed-off-by: Loris Cro <kappaloris@gmail.com>
 2020-10-02 17:06:29 +02:00
Alexandros Naskos
55eb7c16c0
Merge pull request #6494 from IridescentRose/emit-reloc-patch 
Emit reloc patch
 2020-10-02 17:00:47 +03:00
Alexandros Naskos
cd4c1ea790
Merge pull request #6491 from markfirmware/patch-2 
Fixes --linker-script unrecognized
 2020-10-02 17:00:22 +03:00
Alexandros Naskos
006b780d44
Merge pull request #6484 from LemonBoy/winshit 
Some windows fixes
 2020-10-02 15:05:44 +03:00
Tadeo Kondrak
183d1d4ba1
Switch TypeInfo.Fn.alignment to comptime_int from u29 
All integers in TypeInfo are intentionally comptime_int:
https://github.com/ziglang/zig/issues/1683
 2020-10-01 18:01:41 -06:00
Tadeo Kondrak
97ab720d84
stage1: Add alignment to TypeInfo.Fn 2020-10-01 17:59:42 -06:00
Alexandros Naskos
0228887b94
Merge pull request #6428 from tadeokondrak/alignment-typeinfo-struct-union 
Add alignment field to TypeInfo.UnionField and TypeInfo.StructField
 2020-10-02 02:56:18 +03:00
Nathan
84b6d2a80a Resolved additional formatting issues. 2020-10-01 18:03:34 -04:00
Nathan
5e3ce11b18 Resolve name and format issues. 2020-10-01 17:47:32 -04:00
Alexandros Naskos
a4fe438d39
std.fmt.comptimePrint: bufPrint cannot return an error 2020-10-02 00:39:19 +03:00
Tadeo Kondrak
362c87f1aa
Update std.meta.ArgsTuple for alignment in StructField/UnionField 2020-10-01 15:06:24 -06:00
Tadeo Kondrak
ec8f0777f2
Update std.meta.Tuple for alignment in StructField/UnionField 2020-10-01 15:06:23 -06:00
Nathan Bourgeois
4566b27373 Patch in emit relocs support 2020-10-01 17:04:04 -04:00
Tadeo Kondrak
a12203d2be
Switch TypeInfo alignment fields from u29 to comptime_int 2020-10-01 15:01:28 -06:00
Tadeo Kondrak
d81648ce8c
Add alignment field to TypeInfo.UnionField and TypeInfo.StructField 
Closes https://github.com/ziglang/zig/issues/6122
 2020-10-01 15:01:25 -06:00
Tadeo Kondrak
77df5dae7f
Make builtin.TypeInfo.Pointer.alignment u29 instead of comptime_int 2020-10-01 15:01:24 -06:00
Alexandros Naskos
5acf2a5068
Merge pull request #6419 from tadeokondrak/std.fmt.comptimePrint 
std.fmt: add comptimePrint
 2020-10-01 23:59:00 +03:00
markfirmware
1296e4a857
Update build.zig 2020-10-01 15:27:08 -04:00
markfirmware
8acfcf4e0d
Update build.zig 
Fixes #6477
 2020-10-01 13:15:35 -04:00
Alexandros Naskos
bf0afaa876
std.event.Loop.runDetached should be pub 2020-10-01 16:50:05 +03:00
Alexandros Naskos
beda6f2299
Merge pull request #6455 from kristoff-it/event-loop-go 
add runDetached to event loop
 2020-10-01 15:57:02 +03:00
LemonBoy
1b2d50737a mingw: Add user32.def for 32bit Windows 
Closes #6479
 2020-10-01 11:27:59 +02:00
Frank Denis
97fd0974b9 ghash: add pclmul support on x86_64 2020-10-01 02:05:11 +02:00
Frank Denis
8161de7fa4 Implement ghash aggregated reduction 
Performance increases from ~400 MiB/s to 450 MiB/s at the expense of
extra code. Thus, aggregation is disabled on ReleaseSmall.

Since the multiplication cost is significant compared to the reduction,
aggregating more than 2 blocks is probably not worth it.
 2020-10-01 02:05:07 +02:00
Frank Denis
f1ad94437b ghash & poly1305: use pointer to slices for keys and output 2020-10-01 02:04:30 +02:00
Frank Denis
58873ed3f9 std/crypto: add GHASH implementation 
GHASH is required to implement AES-GCM.

Optimized implementations for CPUs with instructions for carry-less
multiplication will be added next.
 2020-10-01 02:04:30 +02:00