Under the hood, dTHX relies on Perl_get_context() to retrieve the context, so they are mostly equivalents.

It occurs to me that it may be related to the way thread local storage (TLS) is managed on Windows, maybe it is not shared between DLLs.

In reply to Re^9: Perl calls C calls Perl CallBack: How Perl callback use the same interpreter/context as Perl caller? by salva
in thread Perl calls C calls Perl CallBack: How Perl callback use the same interpreter/context as Perl caller? by itamarat

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