ref: c116550e6a41572796e4db65e4f6acbcb3d9d6f8
dir: /module/grid/demo/exproc.m/
Exproc : module
{
getslavedata : fn (lst: list of string);
doblock : fn (block: int, bpath: string);
readblock : fn (block: int, dir: string, chanout: chan of string): int;
finish : fn (waittime: int, tkchan: chan of string);
};