Specifications

System Macros Invoked by Drivers
RELDPR
RELDPR
Releases a UNIBUS adapter data path register allocated to the driver.
Format
RELDPR
Description
The RELDPR macro calls IOC$RELDATAP to release a UNIBUS adapter
buffered data path allocated to the driver.
When the RELDPR macro is invoked, R5 must contain the address of the UCB.
RELDPR destroys the contents of R0 through R2.
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