1 #!/bin/bash
   2 #
   3 # This file and its contents are supplied under the terms of the
   4 # Common Development and Distribution License ("CDDL"), version 1.0.
   5 # You may only use this file in accordance with the terms of version
   6 # 1.0 of the CDDL.
   7 #
   8 # A full copy of the text of the CDDL should have accompanied this
   9 # source.  A copy of the CDDL is also available via the Internet at
  10 # http://www.illumos.org/license/CDDL.
  11 #
  12 # Copyright 2019 Joyent, Inc.
  13 #
  14 
  15 #
  16 # badseg intentionally core-dumps. It does a setrlimit(), but we need to
  17 # prevent global core dumps too: we'll do this by blocking the path for
  18 # badseg_exec, but let other processes core dump still just in case.
  19 #
  20 
  21 set -e
  22 set -x
  23 
  24 old_enabled=$(/usr/bin/svcprop -p config_params/global_enabled coreadm)
  25 old_pattern=$(/usr/bin/svcprop -p config_params/global_pattern coreadm)
  26 old_log=$(/usr/bin/svcprop -p config_params/global_log_enabled coreadm)
  27 
  28 mkfile 1m /var/cores/badseg_exec
  29 coreadm -e global -d log -g /var/cores/%f/%p
  30 # let it settle
  31 sleep 3
  32 
  33 $(dirname $0)/badseg_exec || true
  34 
  35 coreadm -g "$old_pattern"
  36 
  37 if [[ "$old_enabled" = "true" ]]; then
  38        coreadm -e global
  39 fi
  40 
  41 if [[ "$old_log" = "true" ]]; then
  42        coreadm -e log
  43 fi
  44 
  45 rm -f /var/cores/badseg_exec