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Within this selection of UNIX source code, there are seven procedures known as “interrupt handlers”, i.e. which are executed as the result of, and only as the result of, interrupts:
clock (3725) pcrint (8719) rkintr (5451) pcpint (8739) klxint (8070) lpint (8976) klrint (8078)
“clock” will be examined in detail in Chapter 11. The others are discussed with the code for their associated devices.
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