Robert Haas <robertmh...@gmail.com> writes: > My primary concern about the patch is that > ProcessGetMemoryContextInterrupt() can be called from any > CHECK_FOR_INTERRUPTS() and calls lots of DSA functions, including > dsa_create() and, via PublishMemoryContext(), dsa_allocate0(). I'm > shocked to hear that you and Andres think that's safe to do at any > current or future CHECK_FOR_INTERRUPTS() anywhere in the code; but > Andres seems very confident that it's fine, so perhaps I should just > stop worrying and be happy that we have the feature.
Just for the record, it sounds quite unsafe to me too. I could credit it being all right to examine the process' MemoryContext data structures, but calling dsa_create() from CFI seems really insane. Way too many moving parts there. regards, tom lane