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Since singleton classes are created lazily, we need to make sure that
we lock around their creation. Unfortunately, that means we need to
lock around every shareable object's call to `singleton_class`,
including classes and modules.
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Before this change, GC'ing any Ractor object caused you to lose all
enabled tracepoints across all ractors (even main). Now tracepoints are
ractor-local and this doesn't happen. Internal events are still global.
Fixes [Bug #19112]
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to adopt strict shareable rule.
* (basically) shareable objects only refer shareable objects
* (exception) shareable objects can refere unshareable objects
but should not leak reference to unshareable objects to Ruby world
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This is mostly to see what happens to the loops-times benchmark.
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* ZJIT: Add NoSingletonClass patch point
This patch point makes sure that when the object has a singleton class,
the JIT code is invalidated. As of now, this is only needed for C call
optimization.
In YJIT, the singleton class guard only applies to Array, Hash, and String.
But in ZJIT, we may optimize C calls from gems (e.g. `sqlite3`). So the
patch point needs to be applied to a broader range of classes.
* ZJIT: Only generate NoSingletonClass guard when the type can have singleton class
* ZJIT: Update or forget NoSingletonClass patch point when needed
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Previously unused.
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Disallow pending interrupts to be checked during `FiberScheduler#unblock`.
Ractors can send signals at any time, so the previous debug assertion
can fail if a Ractor sends a signal.
Co-authored-by: Luke Gruber <luke.gruber@shopify.com>
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Prism can parse multiple versions of ruby. Because of that branch release managers are ok with simply
bumping prism to its latest version.
However, if no version is specified, it will parse as the latest known version, which can be ahead of the maintenance branch.
So we need to explicitly pass a version to not accidentally introduce new syntax to maintenance branches.
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ZJIT: Remove JITed code after TracePoint is enabled
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Not all ractor-related encoding issues were fixed by 1afc07e815051e2f73493f055f2130cb642ba12a.
I found more by running my test-all branch with 3 ractors for each test.
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[Bug #21547]
Followup: https://github.com/ruby/ruby/pull/14201
When adding an instance variable and the IMEMO/fields need to be
larger, we allocate a new one and clear the old one.
Since the old one may still be in other ec's cache, on a hit we must
check the IMEMO/fields isn't a stale one.
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The VPATH rule of NMake is different from others. Abandon using
them in the rules for the generated source, locate them in the top
source directory, as well as the generated library files of prism.
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Adds link to https://docs.ruby-lang.org/en/master/ruby/options_md.html in
Ruby help text (-h and --help).
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* ZJIT: Implement SingleRactorMode invalidation
* ZJIT: Add macro for compiling jumps
* ZJIT: Fix typo in comment
* YJIT: Fix typo in comment
* ZJIT: Avoid using unexported types in zjit.h
`enum ruby_vminsn_type` is declared in `insns.inc` and is not exported.
Using it in `zjit.h` would cause build errors when the file including it
doesn't include `insns.inc`.
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It's not rare for structs to have additional ivars, hence are one
of the most common, if not the most common type in the `gen_fields_tbl`.
This can cause Ractor contention, but even in single ractor mode
means having to do a hash lookup to access the ivars, and increase
GC work.
Instead, unless the struct is perfectly right sized, we can store
a reference to the associated IMEMO/fields object right after the
last struct member.
```
compare-ruby: ruby 3.5.0dev (2025-08-06T12:50:36Z struct-ivar-fields-2 9a30d141a1) +PRISM [arm64-darwin24]
built-ruby: ruby 3.5.0dev (2025-08-06T12:57:59Z struct-ivar-fields-2 2ff3ec237f) +PRISM [arm64-darwin24]
warming up.....
| |compare-ruby|built-ruby|
|:---------------------|-----------:|---------:|
|member_reader | 590.317k| 579.246k|
| | 1.02x| -|
|member_writer | 543.963k| 527.104k|
| | 1.03x| -|
|member_reader_method | 213.540k| 213.004k|
| | 1.00x| -|
|member_writer_method | 192.657k| 191.491k|
| | 1.01x| -|
|ivar_reader | 403.993k| 569.915k|
| | -| 1.41x|
```
Co-Authored-By: Étienne Barrié <etienne.barrie@gmail.com>
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Distinguish between platform-dependent ".rbbin" and platform-
independent ".inc" files.
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