-#! /bin/sh
+#!/usr/bin/env sh
-# Copyright (c) 2007-2016, The SimGrid Team. All rights reserved.
+# Copyright (c) 2007-2020. The SimGrid Team. All rights reserved.
# This program is free software; you can redistribute it and/or modify it
# under the terms of the license (GNU LGPL) which comes with this package.
DEFAULT_LOOPBACK_LATENCY="0.000004s"
DEFAULT_NETWORK_BANDWIDTH="$((26 * 1024 * 1024))Bps"
DEFAULT_NETWORK_LATENCY="0.000005s"
-DEFAULT_NUMPROCS="4"
DEFAULT_SPEED="100flops"
LOOPBACK_BANDWIDTH="${DEFAULT_LOOPBACK_BANDWIDTH}"
NETWORK_LATENCY="${DEFAULT_NETWORK_LATENCY}"
SPEED="${DEFAULT_SPEED}"
-PRIVATIZE="--cfg=smpi/privatize-global-variables:yes"
+PRIVATIZE="--cfg=smpi/privatization:${SMPI_PRIVATIZATION:-@HAVE_PRIVATIZATION@}"
-SIMOPTS="--cfg=surf/precision:1e-9 --cfg=network/model:SMPI --cfg=network/TCP-gamma:4194304"
+SIMOPTS="--cfg=surf/precision:1e-9 --cfg=network/model:SMPI"
#usage to print the way this script should be called
usage () {
cat <<EOF
Usage: $0 [OPTIONS] -platform <xmldesc> -hostfile <hostfile> program [program-options]
+ $0 [OPTIONS] -platform <xmldesc> -hostfile <hostfile> -replay <tracefile> [program] [program-options]
Options:
-keep-temps # don't remove the generated files after execution
- -wrapper <command> # use command to run the program (e.g. "valgrind")
+ -wrapper <command> # use command to run the program (e.g. "valgrind" or "gdb --args")
+ -gdb # run within GDB (-wrapper "gdb --args" -keep-temps)
+ -lldb # run within LLDB (-wrapper "lldb --" -keep-temps)
+ -vgdb # run within Valgrind+GDB (-wrapper "valgrind --vgdb=yes --vgdb-error=0" -keep-temps)
-map # display the machine on which each process rank is mapped
-np <numprocs> # use that amount of processes from the hostfile.
# By default, all processes of the hostfile are used.
-no-privatize # Disable the globals privatization, that is activated by default
- -trace-ti # activate time independant tracing (for replay, default in smpi_simgrid.txt)
+ -trace-ti # activate time independent tracing (for replay, default in smpi_simgrid.txt)
-trace # activate tracing (Paje, default in smpi_simgrid.trace)
-trace-comment <comment> # put a comment on the top of the trace file
-trace-comment-file <file> # put file contents on the top of the trace file as comment
-trace-grouped # group MPI processes by location
-trace-resource # trace resource utilization
- -trace-viva # generate configuration for Viva's GraphView
-trace-file <tracefile> # name of the tracefile (simgrid_smpi.trace)
- -ext <value> # additional parameter (reserved)
+ -replay <tracefile> # replays a trace instead of actually executing an application
-version # Displays the SimGrid version (human readable)
-git-version # Displays the git hash of SimGrid
exit
fi
-EXTOPT=""
WRAPPER=""
HOSTFILE=""
HOSTFILETMP=0
MAPOPT=0
REPLAY=0
+QUIET=""
unset pid
trapped_signals="HUP INT QUIT ILL ABRT SEGV FPE ALRM TERM USR1 USR2 BUS"
+die () {
+ printf '[%s] ** error: %s. Aborting.\n' "$(basename "$0")" "$*" >&2
+ exit 1
+}
+
smpirun_cleanup()
{
if [ -z "${KEEP}" ] ; then
- if [ -z "${PLATFORM}" -a -n "$PLATFORMTMP" ]; then
- rm -f ${PLATFORMTMP}
+ if [ -z "${PLATFORM}" ] && [ -n "$PLATFORMTMP" ]; then
+ rm -f "${PLATFORMTMP}"
PLATFORMTMP=""
fi
- if [ ${HOSTFILETMP} = 1 -a -n "$HOSTFILE" ] ; then
- rm -f ${HOSTFILE}
+ if [ ${HOSTFILETMP} = 1 ] && [ -n "$HOSTFILE" ] ; then
+ rm -f "${HOSTFILE}"
HOSTFILE=""
fi
- if [ ${UNROLLEDHOSTFILETMP} = 1 -a -n "$UNROLLEDHOSTFILE" ] ; then
- rm -f ${UNROLLEDHOSTFILE}
+ if [ "${UNROLLEDHOSTFILETMP}" = 1 ] && [ -n "$UNROLLEDHOSTFILE" ] ; then
+ rm -f "${UNROLLEDHOSTFILE}"
UNROLLEDHOSTFILE=""
fi
- if [ -n ${APPLICATIONTMP} ]; then
- rm -f ${APPLICATIONTMP}
+ if [ -n "${APPLICATIONTMP}" ]; then
+ rm -f "${APPLICATIONTMP}"
APPLICATIONTMP=""
fi
fi
# Cleanup and kill the child process:
smpirun_cleanup
- if ! [ -z "$pid" ]; then
- kill -TERM $pid
+ if [ -n "$pid" ]; then
+ kill -TERM "$pid"
fi
unset pid
# Raise the same signal again (remove the traps first):
trap - $trapped_signals
- kill -$sig $$
+ kill -"$sig" $$
# This should never happen:
kill -ABRT $$
}
for s in $trapped_signals; do
- trap "smpirun_trap $s" $s
+ trap "smpirun_trap $s" "$s"
done
while true; do
"-platform")
PLATFORM="$2"
if [ ! -f "${PLATFORM}" ]; then
- echo "[`basename $0`] ** error: the file '${PLATFORM}' does not exist. Aborting."
- exit 1
- fi
- shift 2
- ;;
- "-hostfile")
- HOSTFILE="$2"
- if [ ! -f "${HOSTFILE}" ]; then
- echo "[`basename $0`] ** error: the file '${HOSTFILE}' does not exist. Aborting."
- exit 1
+ die "the file '${PLATFORM}' does not exist"
fi
shift 2
;;
- "-machinefile")
+ "-hostfile" | "-machinefile")
HOSTFILE="$2"
if [ ! -f "${HOSTFILE}" ]; then
- echo "[`basename $0`] ** error: the file '${HOSTFILE}' does not exist. Aborting."
- exit 1
+ die "the file '${HOSTFILE}' does not exist"
fi
shift 2
;;
- "-ext")
- EXTOPT="$2"
+ "-replay")
+ APP_TRACES="$2"
shift 2
;;
"-no-privatize")
- PRIVATIZE=""
+ PRIVATIZE="--cfg=smpi/privatization:no"
shift 1
;;
"-map")
TRACE_RESOURCE="true"
shift 1
;;
- "-trace-viva")
- TRACE_VIVA="true"
- shift 1
- ;;
"-keep-temps")
- KEEP="true"
+ KEEP="true"
+ SIMOPTS="$SIMOPTS --cfg=smpi/keep-temps:yes"
shift 1
;;
+ "-quiet")
+ QUIET="true"
+ shift 1
+ ;;
"-wrapper")
WRAPPER="$2"
shift 2
;;
+ "-gdb")
+ WRAPPER="gdb --args"
+ KEEP="true"
+ SIMOPTS="$SIMOPTS --cfg=smpi/keep-temps:yes"
+ shift 1
+ ;;
+ "-vgdb")
+ WRAPPER="valgrind --vgdb=yes --vgdb-error=0"
+ KEEP="true"
+ SIMOPTS="$SIMOPTS --cfg=smpi/keep-temps:yes"
+ shift 1
+ ;;
+ "-lldb")
+ WRAPPER="lldb --"
+ KEEP="true"
+ SIMOPTS="$SIMOPTS --cfg=smpi/keep-temps:yes"
+ shift 1
+ ;;
"-help" | "--help" | "-h")
usage
exit 0
esac
done
-if [ -n "$WRAPPER" ]; then
- EXEC="$WRAPPER $1"
+if [ -n "${APP_TRACES}" ] ; then
+ if [ $# -eq 0 ] ; then
+ EXEC="@SMPIREPLAYMAIN@"
+ else
+ EXEC="$1"
+ shift
+ fi
else
+ # check if we still have at least one parameter beyond options
+ if [ $# -eq 0 ]
+ then
+ echo "Error: no program to execute!"
+ usage
+ exit
+ fi
+
EXEC="$1"
+ shift
fi
-shift
-# steel --cfg and --logs options
+# steal --cfg and --logs options
while [ $# -gt 0 ]; do
case "$1" in
"--cfg="*|"--log="*)
;;
*)
PROC_ARGS="${PROC_ARGS:+$PROC_ARGS }$1"
- shift
+ shift
;;
esac
done
if [ -z "${HOSTFILE}" ] ; then
HOSTFILETMP=1
HOSTFILE="$(mktemp smpitmp-hostfXXXXXX)"
- perl -ne 'print "$1\n" if /.*<host.*?id="(.*?)".*?\/>.*/' ${PLATFORM} > ${HOSTFILE}
- perl -ne 'if (/.*<cluster.*?prefix="(.*?)".*?radical="(.*?)".*?suffix="(.*?)".*/) {
- my ($pre,$rad,$post)=($1,$2,$3);
- for my $elm (split(",",$rad)) {
- if ($elm=~/^([^-]*?)-([^-]*)$/) {
- for (my $i=$1; $i<=$2;$i++) {
- print "$pre$i$post\n";
- }
- } else {
- print "$pre$elm$post\n";
- }
- }
- } elsif (/<cluster/) {
- die ("Unparsable cluster tag. smpirun uses a primitive regular expression to parse cluster tags. Either provide a hostfile yourself or give the attributes prefix, radical and suffix IN THAT ORDER and ON THE SAME LINE as the opening tag (<cluster)");
- }' ${PLATFORM} >> ${HOSTFILE}
+ @PYTHON_EXECUTABLE@ -c '
+import xml.etree.ElementTree as ET
+import sys
+import re
+
+tree = ET.parse(sys.stdin)
+
+for elem in tree.findall(".//host"):
+ print(elem.attrib["id"])
+
+for elem in tree.findall(".//cluster"):
+ prefix = elem.attrib["prefix"]
+ radical = elem.attrib["radical"]
+ suffix = elem.attrib["suffix"]
+ for r in radical.split(","):
+ m = re.match("^([^-]*?)-([^-]*)$", r)
+ if m:
+ for i in range(int(m.group(1)), int(m.group(2))):
+ print(prefix + str(i) + suffix)
+ else:
+ print(prefix + r + suffix)
+ ' < "${PLATFORM}" > "${HOSTFILE}"
fi
UNROLLEDHOSTFILETMP=0
-#parse if our lines are terminated by :num_process
-multiple_processes=`grep -c ":" $HOSTFILE`
-if [ "${multiple_processes}" -gt 0 ] ; then
+# parse if our lines are terminated by :num_process
+if grep -q ':' "$HOSTFILE" ; then
UNROLLEDHOSTFILETMP=1
UNROLLEDHOSTFILE="$(mktemp smpitmp-hostfXXXXXX)"
- perl -ne ' do{ for ( 1 .. $2 ) { print "$1\n" } } if /(.*?):(\d+).*/' ${HOSTFILE} > ${UNROLLEDHOSTFILE}
+ @PYTHON_EXECUTABLE@ -c '
+import sys
+import re
+
+for line in sys.stdin:
+ m = re.match("(.*):(.*)", line)
+ if m:
+ for i in range(0, int(m.group(2))):
+ print(m.group(1))
+ else:
+ print(line.strip())
+' < "${HOSTFILE}" > "${UNROLLEDHOSTFILE}"
if [ ${HOSTFILETMP} = 1 ] ; then
- rm ${HOSTFILE}
+ rm "${HOSTFILE}"
HOSTFILETMP=0
fi
HOSTFILE=$UNROLLEDHOSTFILE
fi
# Don't use wc -l to compute it to avoid issues with trailing \n at EOF
-hostfile_procs=`grep -c "[a-zA-Z0-9]" $HOSTFILE`
-if [ ${hostfile_procs} = 0 ] ; then
- echo "[`basename $0`] ** error: the hostfile '${HOSTFILE}' is empty. Aborting." >&2
- exit 1
+hostfile_procs=$(grep -c "[a-zA-Z0-9]" "$HOSTFILE")
+if [ "${hostfile_procs}" = 0 ] ; then
+ die "the hostfile '${HOSTFILE}' is empty"
fi
if [ -z "${NUMPROCS}" ] ; then
NUMPROCS=$hostfile_procs
fi
-if [ ${NUMPROCS} -gt ${hostfile_procs} ] ; then
- echo "You requested to use ${NUMPROCS} processes, but there is only ${hostfile_procs} processes in your hostfile..." >&2
+if [ "${NUMPROCS}" -gt "${hostfile_procs}" ] ; then
+ echo "You requested to use ${NUMPROCS} ranks, but there is only ${hostfile_procs} processes in your hostfile..." >&2
fi
##-------------------------------- DEFAULT or SPECIFIED PLATFORM --------------------------------------
if [ -z "${PLATFORM}" ]; then
PLATFORMTMP="$(mktemp smpitmp-platfXXXXXX)"
- cat >
${PLATFORMTMP} <<PLATFORMHEAD
+ cat >
"${PLATFORMTMP}" <<PLATFORMHEAD
<?xml version='1.0'?>
-<!DOCTYPE platform SYSTEM "http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd">
-<platform version="4">
-<AS id="AS0" routing="Full">
+<!DOCTYPE platform SYSTEM "https://simgrid.org/simgrid.dtd">
+<platform version="4.1">
+<zone id="AS0" routing="Full">
PLATFORMHEAD
i=${NUMPROCS}
- while [ $i -gt 0 ]; do
- echo " <host id=\"host$i\" speed=\"${SPEED}\"/>" >> ${PLATFORMTMP}
- echo " <link id=\"loop$i\" bandwidth=\"${LOOPBACK_BANDWIDTH}\" latency=\"${LOOPBACK_LATENCY}\"/>" >> ${PLATFORMTMP}
- echo " <link id=\"link$i\" bandwidth=\"${NETWORK_BANDWIDTH}\" latency=\"${NETWORK_LATENCY}\"/>" >> ${PLATFORMTMP}
+ while [ "$i" -gt 0 ]; do
+ {
+ echo " <host id=\"host$i\" speed=\"${SPEED}\"/>"
+ echo " <link id=\"loop$i\" bandwidth=\"${LOOPBACK_BANDWIDTH}\" latency=\"${LOOPBACK_LATENCY}\"/>"
+ echo " <link id=\"link$i\" bandwidth=\"${NETWORK_BANDWIDTH}\" latency=\"${NETWORK_LATENCY}\"/>"
+ } >> "${PLATFORMTMP}"
i=$((i - 1))
done
i=${NUMPROCS}
- while [ $i -gt 0 ]; do
+ while [ "$i" -gt 0 ]; do
j=${NUMPROCS}
- while [ $j -gt 0 ]; do
- if [ $i -eq $j ]; then
- echo " <route src=\"host$i\" dst=\"host$j\"><link_ctn id=\"loop$i\"/></route>" >> ${PLATFORMTMP}
+ while [ "$j" -gt 0 ]; do
+ if [ "$i" -eq "$j" ]; then
+ echo " <route src=\"host$i\" dst=\"host$j\"><link_ctn id=\"loop$i\"/></route>" >> "${PLATFORMTMP}"
else
- echo " <route src=\"host$i\" dst=\"host$j\"><link_ctn id=\"link$i\"/><link_ctn id=\"link$j\"/></route>" >> ${PLATFORMTMP}
+ echo " <route src=\"host$i\" dst=\"host$j\"><link_ctn id=\"link$i\"/><link_ctn id=\"link$j\"/></route>" >> "${PLATFORMTMP}"
fi
j=$((j - 1))
done
i=$((i - 1))
done
- cat >>
${PLATFORMTMP} <<PLATFORMFOOT
-</AS>
+ cat >>
"${PLATFORMTMP}" <<PLATFORMFOOT
+</zone>
</platform>
PLATFORMFOOT
APPLICATIONTMP="$(mktemp smpitmp-appXXXXXX)"
#APPLICATIONTMP="app.xml"
-cat >
${APPLICATIONTMP} <<APPLICATIONHEAD
+cat >
"${APPLICATIONTMP}" <<APPLICATIONHEAD
<?xml version='1.0'?>
-<!DOCTYPE platform SYSTEM "http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd">
-<platform version="4">
+<!DOCTYPE platform SYSTEM "https://simgrid.org/simgrid.dtd">
+<platform version="4.1">
APPLICATIONHEAD
##---- cache hostnames of hostfile---------------
-if [ -n "${HOSTFILE}" ] && [ -f ${HOSTFILE} ]; then
- hostnames=$(cat ${HOSTFILE} | tr '\n\r' ' ')
- NUMHOSTS=$(cat ${HOSTFILE} | wc -l)
+if [ -n "${HOSTFILE}" ] && [ -f "${HOSTFILE}" ]; then
+ hostnames=$(< "${HOSTFILE}" tr '\n\r' ' ')
fi
-if [ "${EXTOPT}" = "smpi_replay" ]; then
- APP_TRACES=$PROC_ARGS
- if [ -n "${APP_TRACES}" ] && [ -f "${APP_TRACES}" ]; then
- hosttraces=$(cat ${APP_TRACES} | tr '\n\r' ' ' )
- NUMTRACES=$(cat ${APP_TRACES} | wc -l)
+if [ -n "${APP_TRACES}" ]; then
+ if [ -f "${APP_TRACES}" ]; then
+ hosttraces=$(< "${APP_TRACES}" tr '\n\r' ' ' )
+ NUMTRACES=$(< "${APP_TRACES}" wc -l)
REPLAY=1
else
printf "File not found: %s\n" "${APP_TRACES:-\${APP_TRACES\}}" >&2
##----------------------------------------------------------
## generate application.xml with hostnames from hostfile:
-## the name of host_i (1<=i<=p, where -np p) is the line i in hostfile (where -hostfile hostfile), or "host$i" if
+## the name of host_i (1<=i<=p, where -np p) is the line i in hostfile (where -hostfile hostfile), or "host$i" if
## hostfile has less than i lines.
##----------------------------------------------------------
-HAVE_SEQ="`which seq 2>/dev/null`"
+HAVE_SEQ="$(which seq 2>/dev/null)"
if [ -n "${HAVE_SEQ}" ]; then
- SEQ=`${HAVE_SEQ} 0 $((${NUMPROCS}-1))`
+ SEQ=$(${HAVE_SEQ} 0 $(( NUMPROCS - 1)))
else
cnt=0
- while [ $cnt -lt ${NUMPROCS} ] ; do
+ while [ $cnt -lt "${NUMPROCS}" ] ; do
SEQ="$SEQ $cnt"
cnt=$((cnt + 1));
done
set -- $hostnames
-##---- generate <process> tags------------------------------
+##---- generate <actor> tags------------------------------
#prepare arguments at once
for ARG in $PROC_ARGS; do
-
ARGS="$ARGS""<argument value=\"${ARG}\"/>
+
XML_ARGS="${XML_ARGS}""<argument value=\"${ARG}\"/>
"
done
for i in ${SEQ}
do
- j=$(( $i % ${NUMHOSTS} + 1 ))
+ j=$(( i % hostfile_procs + 1 ))
host=$(eval "echo \${$j}")
- ##---- optional display of ranks to process mapping
+ ##---- optional display of ranks to actor mapping
if [ ${MAPOPT} = 1 ]; then
echo "[rank $i] -> $host"
fi
-
- echo " <process host=\"${host}\" function=\"$i\"> <!-- function name used only for logging -->
- <argument value=\"1\"/> <!-- instance -->
- <argument value=\"$i\"/> <!-- rank -->" >> ${APPLICATIONTMP}
+ {
+ echo " <actor host=\"${host}\" function=\"$i\"> <!-- function name used only for logging -->
+ <prop id=\"instance_id\" value=\"smpirun\"/>
+ <prop id=\"rank\" value=\"$i\"/>"
if [ ${REPLAY} = 1 ]; then
- if [ ${NUMTRACES} -gt 1 ]; then
- echo " <argument value=\"$(echo $hosttraces|cut -d' ' -f$j)\"/>" >> ${APPLICATIONTMP}
+ echo " <prop id=\"smpi_replay\" value=\"true\"/>"
+ if [ "${NUMTRACES}" -gt 1 ]; then
+ echo " <argument value=\"$(echo "$hosttraces"|cut -d' ' -f$j)\"/>"
else
- echo " <argument value=\"$(echo $hosttraces|cut -d' ' -f1)\"/>" >> ${APPLICATIONTMP}
+ echo " <argument value=\"$(echo "$hosttraces"|cut -d' ' -f1)\"/>"
fi
- else
- echo ${ARGS} >> ${APPLICATIONTMP}
+ else
+ echo "${XML_ARGS}"
fi
- echo " </process>" >> ${APPLICATIONTMP}
+ echo " </actor>"
+ } >> "${APPLICATIONTMP}"
done
-cat >>
${APPLICATIONTMP} <<APPLICATIONFOOT
+cat >>
"${APPLICATIONTMP}" <<APPLICATIONFOOT
</platform>
APPLICATIONFOOT
##-------------------------------- end DEFAULT APPLICATION --------------------------------------
if [ -n "${TRACE_RESOURCE}" ]; then
TRACEOPTIONS="${TRACEOPTIONS} --cfg=tracing/categorized:yes --cfg=tracing/uncategorized:yes"
fi
-
- if [ -n "${TRACE_VIVA}" ]; then
- TRACEOPTIONS="${TRACEOPTIONS} --cfg=viva/categorized:smpi_cat.plist --cfg=viva/uncategorized:smpi_uncat.plist"
- fi
fi
##---------------------- end SMPI TRACING OPTIONS ---------------------------------
+# Do not remove, this variable may be used by user code (e.g. StarPU)
export SMPI_GLOBAL_SIZE=${NUMPROCS}
-if [ -n "${KEEP}" ] ; then
- echo ${EXEC} ${TRACEOPTIONS} ${SIMOPTS} ${PRIVATIZE} ${PLATFORMTMP} ${APPLICATIONTMP}
+if [ -n "${KEEP}" ] && [ -z "${QUIET}" ] ; then
+ echo "${EXEC}" ${PRIVATIZE} "${TRACEOPTIONS}" "${SIMOPTS}" "${PLATFORMTMP}" "${APPLICATIONTMP}"
if [ ${HOSTFILETMP} = 1 ] ; then
echo "Generated hostfile ${HOSTFILE} kept."
fi
if [ ${UNROLLEDHOSTFILETMP} = 1 ] ; then
- echo "Generated unrolled hostfile ${UNROLLEDHOSTFILE} kept."
+ echo "Generated unrolled hostfile ${UNROLLEDHOSTFILE} kept."
fi
fi
# * The job is launched in the background in order to be able to handle signals.
#
# * The FD 3 is used to temporarily store FD 1. This is because the shell connects FD 1 to /dev/null when the command
-# is launched in the background: this can be overriden in bash but not in standard bourne shell.
+# is launched in the background: this can be overridden in bash but not in standard bourne shell.
exec 3<&0
-${EXEC} ${TRACEOPTIONS} ${SIMOPTS} ${PLATFORMTMP} ${APPLICATIONTMP} <&3 3>&- &
+${WRAPPER} "@SMPIMAIN@" "${EXEC}" ${PRIVATIZE} ${TRACEOPTIONS} ${SIMOPTS} "${PLATFORMTMP}" "${APPLICATIONTMP}" <&3 3>&- &
pid=$!
exec 3>&-
wait $pid
status=$?
+# With dash on Windows WSL/Ubuntu, "wait" sometimes returns early with an exit
+# status of 128. Try again.
+while test $status -eq 128 && kill -0 $pid 2>/dev/null; do
+ wait $pid
+ status=$?
+done
pid=""
+# Keep temporary files on failures to help debugging
+#
+if [ ${status} -ne 0 ] ; then
+ if [ -z "${KEEP}" ] && [ -z "${QUIET}" ]; then
+ echo "${EXEC}" ${PRIVATIZE} "${TRACEOPTIONS}" "${SIMOPTS}" "${PLATFORMTMP}" "${APPLICATIONTMP}"
+ if [ ${HOSTFILETMP} = 1 ] ; then
+ echo "Generated hostfile ${HOSTFILE} kept."
+ fi
+ if [ ${UNROLLEDHOSTFILETMP} = 1 ] ; then
+ echo "Generated unrolled hostfile ${UNROLLEDHOSTFILE} kept."
+ fi
+ KEEP=true
+ fi
+ echo "Execution failed with code ${status}."
+fi
+
smpirun_cleanup
exit $status
