gtpd2m0w | Data Communications Services Reference |
Unit Record Support provides the facility to run jobs which require the use of unit record devices. This package provides routines for unit record device allocation, I/O macro processing, I/O initiation, I/O request queueing and I/O interrupt processing. Secondary functions such as UCS buffer load, FCB load, error logging and utility programs (card to printer, card to tape, etc.) are also provided. The Unit Record Support package provides programs to perform the functions using the following records. The functions are described in Functions.