usr/src/cmd/px/32iostat.s

#\f
# 32iostat.s
#
# FILE ACTIVATION AND STATUS OPERATIONS
#
_UNIT:
        incl    r10
        calls   $1,_unit
        jmp     (r8)
_UNITINP:
        incl    r10
        pushal  stdin
        calls   $1,_unit
        jmp     (r8)
_UNITOUT:
        incl    r10
        moval   stdout,r7
        movl    stdout+PFNAME,_file
        jmp     (r8)
_EOF:
        cvtwl   $EOF,r5
        brb     l3202
_EOLN:
        cvtwl   $EOF+EOLN,r5
l3202:
        incl    r10
        movl    _file,r4        #save active file
        movl    r7,r3
        calls   $1,_unit
        clrw    -(sp)
        bbs     $fEOF,FUNIT(r7),l3204
        calls   $0,_iosync
        bitw    r5,FUNIT(r7)
        beql    l3205
l3204:
        incw    (sp)
l3205:
        movl    r3,r7           #restore active file
        movl    r4,_file
        jmp     (r8)