1# Contributed by Noah Friedman and Roland McGrath.
2
3# To be run by the PROMPT_COMMAND variable, so that one can see what
4# the exit status of processes are.
5
6function check_exit_status ()
7{
8 local status="$?"
9 local signal=""
10
11    if [ ${status} -ne 0 ] && [ ${status} != 128 ]; then
12       # If process exited by a signal, determine name of signal.
13       if [ ${status} -gt 128 ]; then
14          signal="$(builtin kill -l $((${status} - 128)) 2>/dev/null)"
15	  if [ "$signal" ]; then signal="($signal)"; fi
16       fi
17       echo "[Exit ${status} ${signal}]" 1>&2
18    fi
19    return 0
20}
21
22PROMPT_COMMAND=check_exit_status
23