On Thu, Jul 19, 2018 at 01:38:52PM -0700, Andres Freund wrote: > On 2018-07-19 15:27:06 -0500, Nico Williams wrote: > > No, the other thread does NOT continue to do whatever -- it > > blocks/sleeps forever waiting for the coming exit(3). > > > > I.e., quickdie() would look like this: > > > > [...] > > > > and the thread would basically do: > > > > [...] > > > > This use of threads does not require any changes to the rest of the > > codebase. > > Uhm, this'd already require a fair bit of threadsafety. Like at least > all of the memory allocator / context code. Nor is having threads > around unproblematic for subprocesses that are forked off. Nor does > this account for the portability work.
Yes, but that's in libc. None of that is in the PG code itself.
