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# common preamble for lots of parts of the PCP QA environment ...
# set $PATH, config-driven setup, etc
#
# Copyright (c) 1997-2002 Silicon Graphics, Inc. All Rights Reserved.
#
#
# From pcpintro(1) man page ...
#
unset PCP_STDERR PCP_SECURE_SOCKETS
unset PMCD_CONNECT_TIMEOUT PMCD_RECONNECT_TIMEOUT
unset PMCD_REQUEST_TIMEOUT PMCD_WAIT_TIMEOUT
unset PMNS_DEFAULT PCP_COUNTER_WRAP
unset PMDA_PATH PMCD_PORT PMLOGGER_PORT
unset PMDA_LOCAL_PROC PMDA_LOCAL_SAMPLE PMIECONF_PATH
unset PMPROXY_PORT PMPROXY_HOST
# source the PCP configuration environment variables
if [ -r $PCP_DIR/etc/pcp.env ]
then
. $PCP_DIR/etc/pcp.env
else
echo "Error: unable to read $PCP_DIR/etc/pcp.env!" >&2
exit 1
fi
# augment $PATH for QA specific dirs
#
for __dir in /sbin /usr/sbin
do
[ -d "$__dir" ] && PATH="$PATH:$__dir"
done
export PATH
# QA default environment variables
PCP_PMCD_PROG=$PCP_BINADM_DIR/pmcd
PCP_PMCDLOG_PATH=$PCP_LOG_DIR/pmcd/pmcd.log
export PCP_PMCD_PROG PCP_PMCDLOG_PATH
# In openSUSE 12.1, /etc/rc.status intercepts our rc script and passes
# control to systemctl which uses systemd ... the result is that messages
# from our rc scripts are sent to syslog by default, and there is no
# apparent way to revert to the classical behaviour, so this "hack" allows
# PCP QA to set $PCPQA_NO_RC_STATUS and continue to see stdout and stderr
# from our rc scripts
# - Ken 1 Dec 2011
#
PCPQA_NO_RC_STATUS=
export PCPQA_NO_RC_STATUS
case $PCP_PLATFORM
in
darwin)
DSO_SUFFIX=dylib
;;
mingw*)
DSO_SUFFIX=dll
;;
*)
DSO_SUFFIX=so
;;
esac
# does sudo support -E?
#
# sudo usage in two forms ...
# sudo ... [-AbEHknPS] ...
# or
# -E, --preserve-env
#
sudo=`which sudo`
if $sudo -h 2>&1 | grep -E '(\[-[a-zA-DF-Z]*E[a-zA-Z]*\])|(.-E[, ])' >/dev/null 2>&1
then
# sudo has -E to preserve the environment
#
sudo="$sudo -E"
fi
# $sudo_local_ctx maybe $sudo if PM_CONTEXT_LOCAL needs to run as root,
# e.g. for /dev/kmem readers
#
case $PCP_PLATFORM
in
netbsd|openbsd|solaris)
sudo_local_ctx="$sudo"
;;
*)
sudo_local_ctx=''
;;
esac
# running with PCP_DIR set, probably don't want to do most things as
# root ... leave $sudo alone just in case
# However, if $PCP_DIR exists and is owned by someone other than ourselves,
# real sudo is guessed necessary.
if [ -n "$PCP_DIR" ]
then
__pcp_dir_owner=`ls -ld $PCP_DIR | awk '{print $3}'`
__whoami=`whoami`
if [ "$__pcp_dir_owner" = "$__whoami" ]; then
sudo=''
fi
fi
# where the tests are run from
#
here=`pwd`
# full path to .full file ... make sure it is empty at this point
# to avoid doing it in the scripts and potentially miss output
# from common.* or _notrun tests
#
seq_full=$here/$seq.full
rm -f $seq_full
# On OpenBSd in particular, /var/tmp is a symbolic link to /tmp
# which leads to some confusion, especially in pmlogger_check and
# friends when /tmp/foo and /var/tmp/foo are different paths to the
# _same_ file or directory ... so go with the canonical name without
# symbolic links
#
if which realpath >/dev/null 2>&1
then
_tmp_dir=`realpath /var/tmp`
else
_tmp_dir=/var/tmp
fi
if [ -z "$tmp" ]
then
# $tmp not already set, do it here ...
#
if [ -z "$seq" ]
then
tmp=$_tmp_dir/$$
else
tmp=$_tmp_dir/$seq-$$
fi
fi
# make sure nothing remains from earlier runs (with the same PID)
# ... unlikely, but doing it here means we don't have to do it
# in each script
#
$sudo rm -rf $tmp $tmp.*
# We depend on [A-Za-z] and similar patterns all over ... for some
# platforms this demands LC_COLLATE to be POSIX to avoid case
# insensitive matching
#
LC_COLLATE=POSIX; export LC_COLLATE
# take care of the umask ... we expect 022, and warn if this is
# not the prevailing umask before forcing it to be so
#
case `umask`
in
*022) ;;
*) echo >&2 "Warning: changing umask from `umask` to 0022"
umask 0022
;;
esac
# If we're using timeout(1) -s ABRT from check, it helps to trap the
# SIGABRT (signal 6), explain why you're quitting, then kill yourself
# with SIGTERM
#
trap 'echo "!!!"; echo "!!! Killed from check by timeout ..."; echo "!!!"; pmsignal -s TERM '$$ 6
# Hardened malloc() if available ...
#
case $PCP_PLATFORM
in
openbsd)
# C => canaries added after allocated area
# F => more extensive double free and write after free checks
# G => guard pages after page size or larger allocations
#
MALLOC_OPTIONS="CFG"; export MALLOC_OPTIONS
;;
esac
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