Using the flow Tag

The <flow> tag characterizes the program control flow. The halts attribute of the <flow> tag specifies whether the calling program terminates after the call:

The <param> subtag identifies characteristics of the call parameters. Attributes are:

Note: halts is supported only for call statements. For PL/I, input parameters are treated as input/output parameters.


<flow halts='no'>
  <param index='1' usage='r'/>
  <param index='2' usage='r'/>
  <param index='3' usage='rw'/>
  <param index='*' usage='rw'/>