Specifications

Operating System Routines
EXE$READLOCK, EXE$READLOCKR
A driver FDT routine that calls EXE$READLOCKR must distinguish between
successful and unsuccessful status when it resumes, as shown in the following
example:
JSB G^EXE$READLOCKR
BLBS BUF_LOCK_OK
BUF_LOCK_FAIL:
;
; clean up this $QIO bookkeeping
;
RSB
BUF_LOCK_OK:
.
.
.
;
;continue processing this I/O request
;
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