Wx is a big and complex module, but after a brief inspection, it seems to me it is just using the non thread-safe sv_setref_pv function to create its wrapper objects.

DBI uses the svt_dup approach.

In reply to Re^2: Multi-thread friendly object life-time handling for XS modules by salva
in thread Multi-thread friendly object life-time handling for XS modules by salva

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