fghack - is an anti-backgrounding tool.

fghack  runs  child  with  many  extra descriptors writing to a pipe.  fghack reads and discards any data
       written to the pipe. After child has exited and the pipe has been closed, fghack exits.

       fghack - is an anti-backgrounding tool.

supervise(8),  svc(8),  svok(8),  svstat(8),  svscanboot(8),  svscan(8),  readproctitle(8),  pgrphack(8),
       multilog(8), tai64n(8), tai64nlocal(8), setuidgid(8), envuidgid(8), envdir(8), softlimit(8), setlock(8)

       http://cr.yp.to/daemontools.htmlfghack(8)

fghackchild