Socket accept - “Too many open files”

Question

I am working on a school project where I had to write a multi-threaded server, and now I am comparing it to apache by running some tests against it. I am using autobench to

Answer 1

I had the same problem and I wasn't bothering to check the return values of the close() calls. When I started checking the return value, the problem mysteriously vanished.

I can only assume an optimisation glitch of the compiler (gcc in my case), is assuming that close() calls are without side effects and can be omitted if their return values aren't used.