sh/tests/execution/redir2.0

   1 # $FreeBSD: head/bin/sh/tests/execution/redir2.0 213738 2010-10-12 18:20:38Z obrien $
   2 trap ': $((brokenpipe+=1))' PIPE
   3
   4 P=${TMPDIR:-/tmp}
   5 cd $P
   6 T=$(mktemp -d sh-test.XXXXXX)
   7 cd $T
   8
   9 brokenpipe=0
  10 mkfifo fifo1 fifo2
  11 {
  12         {
  13                 exec ${SH} -c 'exec <fifo1; read dummy'
  14         } 7<&- # fifo2 should be kept open, but not passed to programs
  15         true
  16 } 7<fifo2 &
  17
  18 exec 4>fifo2
  19 exec 3>fifo1
  20 echo dummy >&4 2>/dev/null
  21 if [ $brokenpipe -eq 1 ]; then
  22         : ${rc:=0}
  23 fi
  24 echo dummy >&3
  25 wait
  26
  27 rm fifo1 fifo2
  28 rmdir ${P}/${T}
  29 exit ${rc:-3}