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rb_ext_ractor_safe() to declare ractor-safe ext

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C extensions can violate the ractor-safety, so only ractor-safe
C extensions (C methods) can run on non-main ractors.
rb_ext_ractor_safe(true) declares that the successive
defined methods are ractor-safe. Otherwiwze, defined methods
checked they are invoked in main ractor and raise an error
if invoked at non-main ractors.

[Feature #17307]
This commit is contained in:
Koichi Sasada 2020-11-30 16:18:43 +09:00
parent 8247b8edde
commit 182fb73c40
Notes: git 2020-12-01 15:44:43 +09:00
7 changed files with 267 additions and 35 deletions
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2
ractor.c
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@ -21,6 +21,7 @@ static VALUE rb_eRactorRemoteError;
static VALUE rb_eRactorMovedError;
static VALUE rb_eRactorClosedError;
static VALUE rb_cRactorMovedObject;
VALUE rb_eRactorUnsafeError;
VALUE
rb_ractor_error_class(void)
@ -1670,6 +1671,7 @@ Init_Ractor(void)
rb_eRactorRemoteError = rb_define_class_under(rb_cRactor, "RemoteError", rb_eRactorError);
rb_eRactorMovedError = rb_define_class_under(rb_cRactor, "MovedError", rb_eRactorError);
rb_eRactorClosedError = rb_define_class_under(rb_cRactor, "ClosedError", rb_eStopIteration);
rb_eRactorUnsafeError = rb_define_class_under(rb_cRactor, "UnsafeError", rb_eRactorError);
rb_cRactorMovedObject = rb_define_class_under(rb_cRactor, "MovedObject", rb_cBasicObject);
rb_undef_alloc_func(rb_cRactorMovedObject);