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Given description is valid for modern Linux and may be slightly different on other systems.

I agree. Depending on whatever crappy windows version one uses, blocking sockets may not block or non-blocking sockets may block. And there's a difference between blocking while communicating and blocking while waiting for a new connection.

For me, it was always a bit confusing when switching between Windows and Linux - or to be more precise developing basic TCP connections anywhere. I "fixed" this PEBCAC problem by switching to HTTP whenever possible. In my case, this usually means HTTP::Server::Simple::CGI or Maplat on the server and something like WWW::Mechanize::GZip on the client.

Of course, this is only my small, personal development universe, yours may have different requirements and bugs or a even better developer altogether...

"Believe me, Mike, I calculated the odds of this succeeding against the odds I was doing something incredibly stupid… and I went ahead anyway." (Crow in "MST3K The Movie")

In reply to Re^2: IO::Socket connect fails to block by cavac
in thread IO::Socket connect fails to block by mr.nick

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