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Aucbvax.2776 fa.unix-wizards utzoo!decvax!ucbvax!unix-wizards Fri Aug 21 14:26:02 1981

>From decvax!duke!unc!smb@Berkeley Fri Aug 21 14:13:28 1981 In real life: Steven M. Bellovin, U. of North Carolina at Chapel Hill To: unix-wizards Subject: lock drivers

has anyone build a locking machine use the multiplexor? Processes could write messages like

LOCK /usr/spool/mail/someone SHR

etc.; the process could respond when the resource was available. A close on the lockfile would be an indication to release all locks held there.

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