tests/test-exitwhen-process-exits.sh

   1 #!/usr/bin/env bash
   2 # nbdkit
   3 # Copyright Red Hat
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are
   7 # met:
   8 #
   9 # * Redistributions of source code must retain the above copyright
  10 # notice, this list of conditions and the following disclaimer.
  11 #
  12 # * Redistributions in binary form must reproduce the above copyright
  13 # notice, this list of conditions and the following disclaimer in the
  14 # documentation and/or other materials provided with the distribution.
  15 #
  16 # * Neither the name of Red Hat nor the names of its contributors may be
  17 # used to endorse or promote products derived from this software without
  18 # specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  21 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  23 # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  24 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  29 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  30 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31 # SUCH DAMAGE.
  32
  33 source ./functions.sh
  34 set -x
  35
  36 requires_filter exitwhen
  37 requires nbdsh --version
  38
  39 if is_windows; then
  40     echo "$0: exit-when-process-exits parameter not supported by Windows port"
  41     exit 77
  42 fi
  43
  44 sock=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
  45 pidfile=exitwhen-process-exits.pid
  46 files="$pidfile $sock"
  47 cleanup_fn rm -f $files
  48
  49 # Start the unrelated process.
  50 sleep $(( 60 * 60 )) &
  51 sleeppid=$!
  52
  53 # Start nbdkit with the exitwhen filter.
  54 start_nbdkit -P $pidfile -U $sock \
  55              --filter=exitwhen memory size=1M \
  56              exit-when-process-exits=$sleeppid \
  57              exit-when-poll=1
  58
  59 # Killing the sleep process should cause nbdkit to exit after a few
  60 # seconds.
  61 kill $sleeppid
  62
  63 # Now nbdkit should exit automatically.  Wait for it to do so.
  64 pid=`cat $pidfile`
  65 for i in {1..60}; do
  66     if ! kill -s 0 $pid; then
  67         break
  68     fi
  69     sleep 1
  70 done
  71 if kill -s 0 $pid; then
  72     echo "$0: nbdkit did not exit after last client connection"
  73     exit 1
  74 fi