semaphores

• type: setup command.
• function: set up names for semaphore files, which are used to mark the start and end of program execution.

&semaphores
        STRING started = ``%s.started'';
        STRING done    = ``%s.done'';
&end

• started -- Gives the (incomplete) filename of a file to create when a valid run_setup command is given.
• done -- Gives the (incomplete) filename of a file to create when the program exits without error. If the file exists, it is deleted when a valid run_setup command is given.