msh-pipes.patch

   1 Index: shell/msh.c
   2 ===================================================================
   3 --- shell/msh.c (revision 15014)
   4 +++ shell/msh.c (working copy)
   5 @@ -2956,7 +2957,10 @@ forkexec(REGISTER struct op *t, int *pin
   6                         if (pin != NULL)
   7                                 closepipe(pin);
   8
   9 -                       return (pout == NULL ? setstatus(waitfor(newpid, 0)) : 0);
  10 +                       if (pout != NULL)
  11 +                               closepipe(pout);
  12 +
  13 +                       return (interactive ? setstatus(waitfor(newpid, 0)) : 0);
  14                 }
  15
  16                 /* Must be the child process, pid should be 0 */