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Author SHA1 Message Date
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
Jakub Konka
0e2d858d69 Revert back to original Win CI install script 
Since msys2/MSYS2-packages#2050 was fixed, we can now revert back to the
original install script.

Signed-off-by: Jakub Konka <kubkon@jakubkonka.com>
 2020-10-04 11:53:07 +02:00
Alexandros Naskos
23cd3b3331 Merge branch 'master' of https://github.com/ziglang/zig into add_some_frees 2020-10-04 10:39:26 +03:00
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
2de53592a1 stage1: better value for builtin.link_mode 
Now it is Dynamic unless -DZIG_STATIC=on is passed to cmake.

This partially addresses #6469.
 2020-10-03 23:15:45 -07:00
John Sullivan
ab7ea53541 cmake: add option to use llvm-config to find cross-target llvm deps 2020-10-04 00:41:32 -04:00
Alexandros Naskos
52ba2c3a43 Reintroduce progress bar when compiling C files 2020-10-03 22:11:29 -04:00
Tadeo Kondrak
9917b0576a stage0: check for some more required parameters 2020-10-03 21:32:32 -04:00
Tadeo Kondrak
cbdd825056 stage1: delete unused os code 2020-10-03 21:31:08 -04:00
Tadeo Kondrak
26546af1b8 Revert "Include dbg.h to third-party libs" 
This reverts commit c8b4cc2ff9cf15a42f95b2302e02431a0004f5c8.

This includes many C++ standard library headers:

  #include <algorithm>
  #include <chrono>
  #include <ctime>
  #include <iomanip>
  #include <ios>
  #include <iostream>
  #include <memory>
  #include <sstream>
  #include <string>
  #include <tuple>
  #include <type_traits>
  #include <vector>

which adds more than a second of compile time for each file that
includes the header:

  ir.cpp before: 8.041s
  ir.cpp after: 6.847s
 2020-10-03 21:29:29 -04:00
Andrew Kelley
d1e779cea8 ci: update azure msys base installer 
hopefully resolves the CI failures
 2020-10-03 17:33:51 -07:00
Andrew Kelley
b306149b22 zig run foo.c is perfectly valid 2020-10-03 17:27:09 -07:00
Andrew Kelley
a2b86777b5 fix alignment in CLI usage text 2020-10-03 17:21:45 -07:00
Andrew Kelley
0e7523c7d7 stage1 main(): catch unreachable in debug builds for easier troubleshooting 
Fixup to 2a3393eff853fe0a1dee766c859a345186e91fa3
 2020-10-03 17:16:19 -07:00
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
Alexandros Naskos
f3397fad68
Merge pull request #6519 from LemonBoy/fix-6497 
stage2: Build libunwind for non-msvc Windows targets
 2020-10-04 01:23:35 +03:00
LemonBoy
3b40b68210 stage2: Build libunwind for non-msvc Windows targets 
Closes #6497
 2020-10-03 20:47:06 +02:00
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
Alexandros Naskos
4396373ccb
Merge pull request #6503 from kristoff-it/fix-darwin-symlink-exe 
fix symlink path not being resolved in darwin
 2020-10-03 18:29:44 +03:00
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
joachimschmidt557
fb58fb2d8d stage2 ARM: add testcases for non-leaf fns, parameters, return values 2020-10-03 12:52:04 +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
Alexandros Naskos
e31cc80130
Merge pull request #6427 from tadeokondrak/enums-explicit-tag-type-extern-allowed 
Allow enums with explicit extern-allowed tag types in extern types
 2020-10-03 12:51:39 +03:00
Alexandros Naskos
b5034bd776
Merge pull request #6506 from FireFox317/stage2-cli 
Print error when running `zig test/run` without a source file
 2020-10-03 12:47:49 +03:00
Timon Kruiper
539e90e26d Print error when running zig test/run without a source file 
Closes #6498
 2020-10-02 19:59:00 +02:00
joachimschmidt557
cfe486e388 stage2 ARM: Add push, pop alias instructions; non-leaf functions 
Non-leaf functions now work. Combined with simple parameters and return
types, this allows more complicated programs than Hello World to be
correctly compiled.
 2020-10-02 19:39:17 +02:00
joachimschmidt557
35b228630c stage2 ARM: Add stm, ldm variants and misc. additions 2020-10-02 19:39:17 +02:00
joachimschmidt557
0a54f04dbc stage2 ARM: start adding more instructions, return values, parameters 2020-10-02 19:39:17 +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
e9434ff8f4
Merge pull request #6430 from jedisct1/llvm-config 
Print the llvm-config path on configuration error
 2020-10-02 17:02:08 +03:00
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
Alexandros Naskos
e207031837
Merge pull request #6402 from tadeokondrak/@Type(.Fn) 
Implement @Type for Fn
 2020-10-02 09:44:27 +03:00
Tadeo Kondrak
65016dff32
Add test for implicit extern-allowed enum tag type in extern struct 2020-10-01 18:10:20 -06:00
Tadeo Kondrak
cae49b1b9d
Add tests for enums with explicit extern-allowed tag types in extern types 2020-10-01 18:09:47 -06:00
Tadeo Kondrak
61ce72a38c
Allow enums with explicit extern-allowed tag types in extern types 
Closes https://github.com/ziglang/zig/issues/1467
 2020-10-01 18:09:15 -06:00
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
96a151d4b8
Skip @Type/@typeInfo Fn/BoundFn tests on wasm32/wasm64 2020-10-01 18:01:40 -06:00
Tadeo Kondrak
e18fdc12b0
stage1: Implement @Type for Fn and BoundFn 2020-10-01 18:01:38 -06:00
Tadeo Kondrak
97ab720d84
stage1: Add alignment to TypeInfo.Fn 2020-10-01 17:59:42 -06:00