test/units/TEST-78-SIGQUEUE.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -ex
   4 set -o pipefail
   5
   6 if ! env --block-signal=SIGUSR1 true 2> /dev/null ; then
   7     echo "env tool too old, can't block signals, skipping test." >&2
   8     echo OK >/testok
   9     exit 0
  10 fi
  11
  12 systemd-analyze log-level debug
  13
  14 UNIT="test-sigqueue-$RANDOM.service"
  15
  16 systemd-run -u "$UNIT" -p Type=notify -p DynamicUser=1 -- env --block-signal=SIGRTMIN+7 systemd-notify --exec --ready \; sleep infinity
  17
  18 systemctl kill --kill-whom=main --kill-value=4 --signal=SIGRTMIN+7 "$UNIT"
  19 systemctl kill --kill-whom=main --kill-value=4 --signal=SIGRTMIN+7 "$UNIT"
  20 systemctl kill --kill-whom=main --kill-value=7 --signal=SIGRTMIN+7 "$UNIT"
  21 systemctl kill --kill-whom=main --kill-value=16 --signal=SIGRTMIN+7 "$UNIT"
  22 systemctl kill --kill-whom=main --kill-value=32 --signal=SIGRTMIN+7 "$UNIT"
  23 systemctl kill --kill-whom=main --kill-value=16 --signal=SIGRTMIN+7 "$UNIT"
  24
  25 # We simply check that six signals are queued now. There's no easy way to check
  26 # from shell which ones those are, hence we don't check that.
  27 P=$(systemctl show -P MainPID "$UNIT")
  28
  29 test "$(grep SigQ: /proc/"$P"/status | cut -d: -f2 | cut -d/ -f1)" -eq 6
  30
  31 systemctl stop $UNIT
  32
  33 systemd-analyze log-level info
  34
  35 touch /testok