(GCOS8 only)
#include <climb.h> _wire(ptr, nbytes);
"_wire" wires one or more pages into memory, if the pages have not already been wired.
You may call "_wire" several times to wire the same set of pages. The function only wires the pages physically the first time you call it; after that, it increments a count of how often the pages have been wired.
Calls to the companion function "_unwire" decrement the same count. When the count reaches zero, "_unwire" physically unwires the pages.
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