A UNIX Based Device Driver for the Vector General 3404 Graphics Display System (1982)
Defense Technical Information Center · leaf 49
Fig 9. Routines for Processing a close(2) System Call Close . Figure 9 illustrates the routines invoked to process a close system call. As stated by Lions, "the 'close' system call is used to sever explicity the connection between a user program and a file and thus can be regarded as the inverse of…
Stewart,Bradley Ray · Air force inst of tech wright-patterson afb oh school of engineering · Display systems · Drives(Electronics) · Computer graphics · Subroutines · Input output devices · High level languages · Registers(Circuits) · Specifications · Compatibility · Paths · Interfaces · User needs · Interruption · Installation · Modification · Theses
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