PostgreSQL notifications in hasql
Support forThe initial code for this was extracted from a PR to hasql by Leon P. Smith.
Support for PostgreSQL notifications in hasql
License: BSD 3-Clause "New" or "Revised" License
The initial code for this was extracted from a PR to hasql by Leon P. Smith.
Hello :)
I'm not sure about the status of the repository, but I wondered if I could use this with hasql-pool ?
If so, how?
Thanks :)
Alright I have tracked it down to a single line which seems to deterministically toggle a deterministic deadlock. The problem is solved by a call to threadWaitRead.
Without the threaded runtime the test fails always when I don’t call threadWaitRead
, with the threaded runtime it sometimes passes. I have never seen it fail with threadWaitRead
inside.
I’m sadly a bit out of ideas here. I don’t see why the call to threadWaitRead
should change how the other thread calling threadWaitRead
behaves.
@lpsmith Sorry for bothering you but you obviously know a lot more about this than I do, any ideas what could cause this?
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