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author | Koichi Sasada <ko1@atdot.net> | 2021-01-04 18:08:25 +0900 |
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committer | Koichi Sasada <ko1@atdot.net> | 2021-01-05 02:27:58 +0900 |
commit | e7fc353f044f9280222ca41b029b1368d2bf2fe3 (patch) | |
tree | 3e3a8e464dbc3767d5b71f17675d3f0dba6ac43f /bootstraptest/test_ractor.rb | |
parent | bf21faec1521540f2be05df400c37600b4316a0f (diff) | |
download | ruby-e7fc353f044f9280222ca41b029b1368d2bf2fe3.tar.gz |
enable constant cache on ractors
constant cache `IC` is accessed by non-atomic manner and there are
thread-safety issues, so Ruby 3.0 disables to use const cache on
non-main ractors.
This patch enables it by introducing `imemo_constcache` and allocates
it by every re-fill of const cache like `imemo_callcache`.
[Bug #17510]
Now `IC` only has one entry `IC::entry` and it points to
`iseq_inline_constant_cache_entry`, managed by T_IMEMO object.
`IC` is atomic data structure so `rb_mjit_before_vm_ic_update()` and
`rb_mjit_after_vm_ic_update()` is not needed.
Diffstat (limited to 'bootstraptest/test_ractor.rb')
-rw-r--r-- | bootstraptest/test_ractor.rb | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/bootstraptest/test_ractor.rb b/bootstraptest/test_ractor.rb index 843714a7bc..56add68403 100644 --- a/bootstraptest/test_ractor.rb +++ b/bootstraptest/test_ractor.rb @@ -967,6 +967,18 @@ assert_equal 'can not access non-shareable objects in constant C::CONST by non-m end } +# Constant cache should care about non-sharable constants +assert_equal "can not access non-shareable objects in constant Object::STR by non-main Ractor.", %q{ + STR = "hello" + def str; STR; end + s = str() # fill const cache + begin + Ractor.new{ str() }.take + rescue Ractor::RemoteError => e + e.cause.message + end +} + # Setting non-shareable objects into constants by other Ractors is not allowed assert_equal 'can not set constants with non-shareable objects by non-main Ractors', %q{ class C |