pag@hao.UUCP (12/07/83)
In 4.1bsd, sysent[62] was "reserved for local sites". I made mods to 4.1 to use it as local system call indirect which directs you to a "secondary" sysent[] table (loc_sysent[]). This method enables a site to add local system calls without conflicting with the standard ones. We had to do this for NCAR's custom NSC Hyperchannel network. The changes are pretty simple -- a minor mod to trap.c, creation of the loc_sysent[] table, etc. In porting this change to 4.2, I discovered much to my dismay that sysent[62] is used for fstat, and there is no replacement. Since the change does need one sysent[] slot, my choice has been to add one on at the end (151). Is there any official policy about this? Why did they take away the reserved-to-local-site slot? --peter gross hao!pag PS. If anyone wants the changes, let me know. I will either mail them, or if there are sufficient requests, post them to the net.