David, Yes it is. One of W. Richard Stevens' books describes how to do this. I don't have code to do it handy at this moment, but I have done so in the past. I will need to hunt it down in another project whose code is at home. Something like this, though. http://www.wcug.wwu.edu/lists/netdev/199802/msg00143.html Hal Duston David Nicol [mailto:nicold@umkc.edu] wrote: > > it is possible to pass an open file descriptor from > one process to another and if so how?