8<------------------------------
....... Setting the
SO_REUSEADDR flag on POSIX fixes this problem (don't set it on Windows,
though).
Why not? I have been merrily setting it, and I have not noticed anything weird.
(yet)
Please see my original post. I specifically stated that I do not want to
use setsockopt and be able to listen on the same port from many
processes. I knew that I could use SO_REUSEADDR, but I'm heistating to
do so. I must guarantee that only one process listens on a given port at
the same time.
Maybe I could use some kind of locking, but it would be too difficult:
- mutexes are great but they are platform dependent and they are not in
the standard lib
- the listening processes do not see each other's home directory so file
locking cannot be used for this
- these processes will probably listen on many ports at the same time,
it is also a problem with mutexes/file locks (who wants 50 lock files to
be created?)
Best,
Laszlo
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