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On Mar 16, 2005, at 6:04 PM, abh wrote: > >> 2. I have poked around in the Posix standard for the maximum valid >> value for a file descriptor, without success. The Posix client >> library assumes that 65K is the maximum value a file descriptor can >> take on. Is this limit from the Posix standard, or is it based on >> "nobody will ever use that many files descriptors"? > As afar as I know, the actual value is arbitrary and was never cast in > stone. My choosing 64k as the high watermark seemed reasonable since > no one ever sets the system hard limit to be any greater than that. I > suppose I could use the hard limit to determine the turn-over. On the > other hand, are you saying that my file are causing grief for some > other applications? No. I was considering the theoretical possibility and wondering if there was a safe way to ensure it can't happen without substantial overhead. -- Gregory J. Sharp email: [log in to unmask] Wilson Synchrotron Laboratory url: http://www.lepp.cornell.edu/~gregor Dryden Rd ph: +1 607 255 4882 Ithaca, NY 14853 fax: +1 607 255 8062