> From: Andy Wingo <wi...@pobox.com> >> Can you explain what happens here? Is it a deadlock? What’s at >> ports.c:575? > > It was a deadlock, but I fixed it. It was something that locked all > weak sets, but while doing so allocated memory. Allocating memory ran > finalizers which tried to manipulate the port set, but that lock was > already taken: deadlock. > > The solution will be to run finalizers in a separate thread, as the JVM > does.
As an aside, I can get a similar sort of deadlock during garbage collection of SMOBs if my smob_free function calls a scheme function. But the manual does note that you should not call any functions in SMOB GC finalizers, so that wouldn't happen if I actually followed the instructions. -Mike
