SO_REUSEPORT on linux

Question

I want to know if SO_REUSEPORT option is enabled in LINUX 2.6 or not ??

If I try to use it and compile my code I get following error

01.c:72: error: `SO_         


        

Answer 1

Try this:

#ifdefined (SO_REUSEPORT)
... set this option
#endif

Some platforms (OS/X for one) need this to be set if you're e.g. binding multiple UDP listeners to one port.