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i am in purgatory as a punishment bestowed upon me for daring to
question the sanctity of windows' scheduler
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The unit can now be specified in the argument.
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The Wycheproof test suite is extensive, but takes a long time to
complete on CI.
Keep only the most relevant ones and take it as an opportunity to describe
what they are.
The remaining ones are still available for manual testing when required.
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This test called `yield` 80,000 times, which is nothing on a system with
little load, but murder on a CI system. macOS' scheduler in particular
doesn't seem to deal with this very well. The `yield` calls also weren't
even necessarily doing what they were meant to: if the optimizer could
figure out that it doesn't clobber some memory, then it could happily
reorder around the `yield`s anyway!
The test has been simplified and made to work better, and the number of
yields have been reduced. The number of overall iterations has also been
reduced, because with the `yield` calls making races very likely, we
don't really need to run too many iterations to be confident that the
implementation is race-free.
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For instance, when running a Zig test using the self-hosted aarch64
backend, this logic was previously expecting `std.zig.Server` to be
used, but the default test runner intentionally does not do this because
the backend is too immature to handle it. On 'master', this is causing
sporadic failures; on this branch, they became consistent failures.
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The new `--error-style` option decides how build failures are printed.
The default mode "verbose" prints all context including the step graph
fragment and the failed command (if any). The alternative mode "minimal"
prints only the failed step itself, and does not print the failed
command. There are also "verbose_clear" and "minimal_clear" modes, which
have the distinction that the output is cleared (through ANSI escape
codes) between updates, preventing different updates from being confused
in the output. If `--error-style` is not specified, the environment
variable `ZIG_BUILD_ERROR_STYLE` is checked before falling back to the
default of "verbose"; this means the value can effectively be chosen
system-wide since it is generally a personal preference.
Also introduced is a `--multiline-errors` option which decides how to
print errors which span multiple lines. By default, non-initial lines
are indented to align with the first. Alternatively, a leading newline
can be printed to align everyting on the first column, or no special
treatment can be applied, resulting in misaligned output. Again, there
is an environment variable (`ZIG_BUILD_MULTILINE_ERRORS`) to specify a
preferred default if the option is not explicitly provided.
Resolves: #23472
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Recording the command in a separate field will give the build runner
more freedom to choose how and when the command should be printed.
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This is a major refactor to `Step.Run` which adds new functionality,
primarily to the execution of Zig tests.
* All tests are run, even if a test crashes. This happens through the
same mechanism as timeouts where the test processes is repeatedly
respawned as needed.
* The build status output is more precise. For each unit test, it
differentiates pass, skip, fail, crash, and timeout. Memory leaks are
reported separately, as they do not indicate a test's "status", but
are rather an additional property (a test with leaks may still pass!).
* The number of memory leaks is tracked and reported, both per-test and
for a whole `Run` step.
* Reporting is made clearer when a step is failed solely due to error
logs (`std.log.err`) where every unit test passed.
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For now, there is a flag to `zig build` called `--test-timeout-ms` which
accepts a value in milliseconds. If the execution time of any individual
unit test exceeds that number of milliseconds, the test is terminated
and marked as timed out.
In the future, we may want to increase the granularity of this feature
by allowing timeouts to be specified per-step or even per-test. However,
a global option is actually very useful. In particular, it can be used
in CI scripts to ensure that no individual unit test exceeds some
reasonable limit (e.g. 60 seconds) without having to assign limits to
every individual test step in the build script.
Also, individual unit test durations are now shown in the time report
web interface -- this was fairly trivial to add since we're timing tests
(to check for timeouts) anyway.
This commit makes progress on #19821, but does not close it, because
that proposal includes a more sophisticated mechanism for setting
timeouts.
Co-Authored-By: David Rubin <david@vortan.dev>
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Some environments (such as KDE) form file URIs without an authority
field (e.g. file:/etc/fstab). Also test this case for completeness.
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Otherwise, the field names in std.posix.timeval vary by target os.
I think this was an accidental change during the work of #25610
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`libcxx`, `libunwind`: backport llvm/llvm-project#162867, llvm/llvm-project#160182, llvm/llvm-project#158347
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Otherwise we might be restoring registers we don't even need to.
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The ABIs do not define a frame pointer register, nor do they define a guaranteed
and fixed area on the stack where one might find saved registers such as a frame
pointer or return address.
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https://github.com/llvm/llvm-project/pull/158347
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https://github.com/llvm/llvm-project/pull/160182
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https://github.com/llvm/llvm-project/pull/162867
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`std.os.linux`: some miscellaneous cleanup in arch bits
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`test`: put some niche targets behind `-Dtest-extra-targets`
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Some `hexagon-linux` fixes + enable std tests in CI
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The compile-time check against the minimum version here wasn't appropriate, since it still makes sense to try using FILE_RENAME_INFORMATION_EX even if the minimum version is something like `xp`, since that doesn't rule out the possibility of the compiled code running on Windows 10/11. This compile-time check was doubly bad since the default minimum windows version (`.win10`) was below the `.win10_rs5` that was checked for, so when providing a target like `x86_64-windows-gnu` it'd always rule out using this syscall.
After this commit, we always try using FILE_RENAME_INFORMATION_EX and then let the operating system tell us when some aspect of it is not supported. This allows us to get the benefits of these new syscalls/flags whenever it's actually possible.
The possible error returns were validated experimentally:
- INVALID_PARAMETER is returned when the underlying filesystem is FAT32
- INVALID_INFO_CLASS is returned on Windows 7 when trying to use FileRenameInformationEx/FileDispositionInformationEx
- NOT_SUPPORTED is returned on Windows 10 >= .win10_rs5 when setting a bogus flag value (I used `0x1000`)
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This is very likely full of wrong stuff. It's effectively just a copy of the
x86_64 file - needed because the former stopped using usize/isize. To be clear,
this is no more broken than the old situation was; this just makes the
brokenness explicit.
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This is very likely full of wrong stuff. It's effectively just a copy of the
mips64 file - needed because the former stopped using usize/isize. To be clear,
this is no more broken than the old situation was; this just makes the
brokenness explicit.
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arch bits
Flock is now equivalent to struct flock64, and the related F.* constants map to
the 64-bit variants on 32-bit systems.
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