| OCR Text |
Show uI if ixito the process que. User processes are executecl on & "z'ound robin" basis with a time quantum of about 10-1€ «a. 'Pfccaassa that are alive may ba acfr-ve or passive; these states may be changed by themselves or by an interrupt by the re&I time processes. Justification Procedures and data hanöüng are the keys to a successful language. In FLEX both these concepts have beer, generalized in a powerful msnner. Exömpl?.s yf simple procesures; i *■ 'b1; *''a "run-time" equivalence statement',1' \ - 'b+c'T ,l,simple quotation without parameters''' / •*■ if b<c then 'b+c' else "b-c1 ; '■ ' 'conditional assignment ,'r' + 5; '''the name ^ is assignee to the value of b i i • 1 ä +• z; '''the name b Is assigned to the value of z' ' ' val a ■*- 'c'; '''a is re,quivdlenced to c' ' " z -t- x' ' ' 'the name z is assigned to the value of b+c"' x "•- z; '''a pragmatic error is generated since si is a value''' for <- 'new a, b, c, d, e; '''an ALGOLike "for" procedurfe''' a «" b; loop: if a <_" d then (e; a -f- a<-c; goto loop) else ' |
