Execute Channel Program in Real Storage
In IBM mainframe operating systems, Execute Channel Program in Real Storage (EXCPVR) is a supervisor call for low-level device access, where the programmer is responsible for providing a list of device-specific CCWs, that is, a channel program, to be executed by I/O channels, control units and devices. Additionally, the programmer is expected and required to ensure that the input/output data areas are in real storage and are "fixed".
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Execute Channel Program in Real Storage
In IBM mainframe operating systems, Execute Channel Program in Real Storage (EXCPVR) is a supervisor call for low-level device access, where the programmer is responsible for providing a list of device-specific CCWs, that is, a channel program, to be executed by I/O channels, control units and devices. Additionally, the programmer is expected and required to ensure that the input/output data areas are in real storage and are "fixed".
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In IBM mainframe operating sys ...... real storage and are "fixed".
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31,795,336
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In IBM mainframe operating sys ...... real storage and are "fixed".
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Execute Channel Program in Real Storage
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