tests/coproc.tests

   1 #   This program is free software: you can redistribute it and/or modify
   2 #   it under the terms of the GNU General Public License as published by
   3 #   the Free Software Foundation, either version 3 of the License, or
   4 #   (at your option) any later version.
   5 #
   6 #   This program is distributed in the hope that it will be useful,
   7 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 #   GNU General Public License for more details.
  10 #
  11 #   You should have received a copy of the GNU General Public License
  12 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  13 #
  14 : ${TMPDIR:=/tmp}
  15 TMPOUT=${TMPDIR}/coproc-wait-$BASHPID
  16
  17 coproc { echo a b c; sleep 2; }
  18
  19 case $COPROC_PID in
  20 [0-9]*) ;;
  21 *)      echo COPROC_PID not integer ;;
  22 esac
  23
  24 echo ${COPROC[@]}
  25
  26 read LINE <&${COPROC[0]}
  27 echo $LINE
  28
  29 wait $COPROC_PID
  30
  31 coproc REFLECT { cat - ; }
  32
  33 case $REFLECT_PID in
  34 [0-9]*) ;;
  35 *)      echo REFLECT_PID not integer ;;
  36 esac
  37
  38 echo ${REFLECT[@]}
  39
  40 echo flop >&${REFLECT[1]}
  41 read LINE <&${REFLECT[0]}
  42
  43 echo $LINE
  44
  45 { sleep 1; kill $REFLECT_PID; } &
  46 wait $REFLECT_PID >$TMPOUT 2>&1 || { status=$? ; echo "coproc.tests: REFLECT: status $status" ; }
  47 [[ $status < 128 || $status == 143 ]] || {
  48         echo "coproc.tests: wait for REFLECT failed" >&2
  49 }
  50 rm -f $TMPOUT
  51 exec 2>&1
  52
  53 coproc xcase -n -u
  54
  55 case $COPROC_PID in
  56 [0-9]*) ;;
  57 *)      echo COPROC_PID not integer ;;
  58 esac
  59
  60 echo ${COPROC[@]}
  61
  62 echo foo >&${COPROC[1]}
  63 read <&${COPROC[0]}
  64
  65 echo $REPLY
  66 echo ${COPROC[@]}
  67
  68 cat /etc/passwd | grep root | awk -F: '{print $1;}' | sed 1q
  69
  70 exec 4<&${COPROC[0]}-
  71 exec >&${COPROC[1]}-
  72
  73 echo ${COPROC[@]}
  74
  75 read foo <&4
  76 echo $foo >&2
  77
  78 exit 0