raise the timeout to 100ms to be sure that if it fails (timeout is returned) it is due to a real problem.
the test shouldn't be longer: it will wait more time only on failure.
these new files are generated by recursively including:
sysexits.h
mach/mach.h
sys/attr.h
sys/mount.h
crt_externs.h
execinfo.h
all of which are depended on by LLVM libraries.
This is a trivial implementation that just does a or[xor] loop.
However, this pattern is used by virtually all crypto libraries and
in practice, even without assembly barriers, LLVM never turns it into
code with conditional jumps, even if one of the parameters is constant.
This has been verified to still be the case with LLVM 11.0.0.
As documented in the comment right above the finalization function,
Gimli can be used as a XOF, i.e. the output doesn't have a fixed
length.
So, allow it to be used that way, just like BLAKE3.
With the simple rule that whenever we have or will have 2 similar
functions, they should be in their own namespace.
Some of these new namespaces currently contain a single function.
This is to prepare for reduced-round versions that are likely to
be added later.
It is now possible to force linking with system linker `ld` instead
of the LLVM `lld` linker when building natively on the target. This
can be done at each stage by specifying `--system-linker-hack` flag,
and can be useful on platforms where `lld` fails to operate properly
such as macOS 11 Big Sur on ARM64 where every binary/dylib is expected
to be codesigned.
Some example invocations for each stage of compilation of Zig
toolchain:
```
cmake .. -DCMAKE_PREFIX_PATH=/path/to/llvm -DSYSTEM_LINKER_HACK=1
```
```
build/zig build test --system-linker-hack
```
```
build/zig build --prefix $(pwd)/stage2 -Denable-llvm
--system-linker-hack
```
```
build/zig build-exe hello.zig --system-linker-hack
```
Make the code easier for the optimizer to work with and introduce a fast
path for ASCII sequences.
Introduce a benchmark harness to start tracking the performance of ops
on utf8.
Do the alignment dance by ourselves whenever posix_memalign is not
available.
Don't try to use malloc as it has too many edge cases, figuring out
whether a block of memory is manually aligned by the mechanism above or
is directly coming from malloc becomes too hard to be valuable.
Comparisons with absolute epsilons are usually useful when comparing
numbers to zero, for non-zero numbers it's advised to switch to relative
epsilons instead to obtain meaningful results (check [1] for more
details).
The new API introduces approxEqAbs and approxEqRel, where the former
aliases and deprecated the old `approxEq`, allowing the user to pick the
right tool for the job.
The documentation is meant to guide the user in the choice of the
correct alternative.
[1] https://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/
There's no guarantee for the kernel definition to be ABI compatible with
the libc one (and vice versa).
There's also no guarantee of ABI compatibility between musl/glibc.
Fun, isn't it?
With this commit, the function tries to use more efficient syscalls, and
then falls back to non-positional reads.
The motivating use case for this change is to support something like the
following:
try io.getStdOut().writeFileAll(dest_file, .{});
We are checking that two identical, constant values, are stored at
different addresses.
But sharing a unique location doesn't look like something the compiler
wouldn't do.
It may make more sense to check that a const variable and a mutable
variable set to the same value have different addresses.
We read and write bytes directly from the state, but in the init
function, we potentially endian-swap them.
Initialize bytes in native format since we will be reading them
in native format as well later.
Also use the public interface in the "permute" test rather than an
internal interface. The state itself is not meant to be accessed directly,
even in tests.
On Darwin, according to the man pages for setrlimit(), when adjusting
max number of open fds, the reported hard max by getrlimit() is only
theoretical, while the actual maximum, set in the kernel, is hardcoded
in the header file. Therefore, the reported max has to be adjusted
as `min(OPEN_MAX, lim.max)`.
Signed-off-by: Jakub Konka <kubkon@jakubkonka.com>
This commit fixes linking issue on macOS 11 BigSur by appending
a prefix path to all lib and framework search paths known as
`-syslibroot`.
The reason this is needed is that in macOS 11, the system libraries
and frameworks are no longer readily available in the filesystem.
Instead, the new macOS ships with a built-in dynamic linker cache
of all system-provided libraries, and hence, when linking with either
`lld.ld64` or `ld64`, it is required to pass in `-syslibroot [dir]`.
The latter can usually be obtained by invoking `xcrun --show-sdk-path`.
With this commit, Zig will do this automatically when compiling natively
on macOS. However, it also provides a flag `-syslibroot` which can be
used to overwrite the automtically populated value.
To summarise, with this change, the user of Zig is not required to
generate and append their own syslibroot path. Standard invocations
such as `zig build-exe hello.zig` or `zig build` for projects will
work out of the box. The only missing bit is `zig cc` and `zig c++`
since the addition of the `-syslibroot` option would be a mismatch
between the values provided by `clang` itself and Zig's wrapper.
Both `offset` and `len` are `off_t`.
Like the rest of the std lib we assume that `_FILE_OFFSET_BITS == 64`
is always true, so that `off_t` is a `u64`.
When passing to 32-bit kernels, we split these into two `u32`
parameters.
BLAKE2 includes the expected output length in the initial state.
This length is actually distinct from the actual output length
used at finalization.
BLAKE2b-256/128 is thus not the same as BLAKE2b-128.
This behavior can be a little bit surprising, and has been "fixed"
in BLAKE3.
In order to support this, we may want to provide an option to set the
length used for domain separation.
In Zig, there is another reason to allow this: we assume that the
output length is defined at comptime.
But BLAKE2 doesn't have a fixed output length. For an output length that
is not known at comptime, we can't take the full block size and
truncate it due to the reason above.
What we can do now is set that length as an option to get the correct
initial state, and truncate the output if necessary.
Leverage result location semantics for X25519 like we do everywhere
else in 25519/*
Also add the edwards25519->curve25519 map by the way since many
applications seem to use this to share the same key pair for encryption
and signature.
Intel keeps changing the latency & throughput of the aes* and clmul
instructions every time they release a new model.
Adjust `optimal_parallel_blocks` accordingly, keeping 8 as a safe
default for unknown data.
It seems that Apple has finally got rid of the 32bit versions of
`fstat` and `fstatat`, and instead, only 64bit versions are available
on BigSur and Apple Silicon.
The tweak in this commit is required to make Zig stage1 compile on
BigSur + aarch64.
std.os.accept already wants to allow null, which matches `man 3p accept`:
> address Either a null pointer, or a pointer to a sockaddr structure
> where the address of the connecting socket shall be re‐
> turned.
>
> address_len Either a null pointer, if address is a null pointer, or a
> pointer to a socklen_t object which on input specifies the
> length of the supplied sockaddr structure, and on output
> specifies the length of the stored address.
Fixes ziglang#6832.
Vexu
Andrew Kelley
Sébastien Marie
daurnimator
xackus
Frank Denis
Alexandros Naskos
Jakub Konka
Josh Holland
Jay Petacat
LemonBoy
Jeremy Huffman
data-man
rageoholic
Joran Dirk Greef
Alex Cameron
Isaac Freund
frmdstryr
J.C. Moyer
Travis
Koakuma
wozeparrot
s-ol
johnLate