On Sun, 2011-05-29 at 01:32 +0200, J wrote: > // compile with: g++ -ldl host.cpp -o host <snip> > // compile with: g++ -lboost_signals child.cpp -shared -fPIC -o libchild.so Just for grins, what happens if you link main against Boost? g++ -ldl host.cpp -o host -lboost_signals It may be that since Boost is being pulled in to satisfy the child, somehow that is preventing the child from being unloaded. Of course, this isn't really a GCC question, but a libc/binutils question, so you may do better over on that list.
