Ractor.main?

to return the current ractor is the main ractor. (== `Ractor.current == Ractor.main`)
Merged: https://github.com/ruby/ruby/pull/11142
2024-11-05 03:57:48 +09:00 · 2024-11-05 03:57:48 +09:00 · f0d0c030c0 · 2024-11-08 09:03:09 +00:00
commit f0d0c030c0
parent c8297c3eed
1 changed files with 7 additions and 0 deletions
--- a/ractor.rb
+++ b/ractor.rb
@ -850,4 +850,11 @@ class Ractor
      rb_ractor_self(GET_VM()->ractor.main_ractor);
    }
  end
+
+  # return true if the current ractor is main ractor
+  def self.main?
+    __builtin_cexpr! %q{
+      GET_VM()->ractor.main_ractor == rb_ec_ractor_ptr(ec)
+    }
+  end
 end