Name of program has an .fl or .cl extension |
Top level routine must be named real_main but has the same argv and argc parameters as the C main does |
Top level routine must be a parameter-less subroutine named real_main - Fortran |
Bulk of program is pure FORTRAN/C |
Linda operations, eval, in, out |
Program is asynchronous - no guarantee that any particular process will execute before any other |