Tag Archives: sockets

Simple multiuser chat for POSIX systems

Here's a little multiuser chat server written for various POSIX-compatible operating systems. Written and tested on Mac OS X 10.6, but it should work on your favorite Linux, too.

Placed in public domain, use it for whatever you want (since it's so simple). 177 lines of pure C powah, dood.

Code follows after the break.
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close() of listening socket from another thread

Just a warning.

Calling close() on listening socket in another thread will NOT prevent another connection from being made. Instead, you must call shutdown(). This should abort existing select() calls (probably accept() too, but I didn't try).

Guess how I found out 🙂