subshell exit trap -- 'echo exiting' EXIT trap -- 'echo aborting' SIGHUP trap -- 'echo aborting' SIGINT trap -- 'echo aborting' SIGQUIT trap -- 'echo aborting' SIGABRT trap -- 'echo aborting' SIGTERM debug line [20] debug trap -- 'echo exiting' EXIT trap -- 'echo aborting' SIGHUP trap -- 'echo aborting' SIGINT trap -- 'echo aborting' SIGQUIT trap -- 'echo aborting' SIGABRT trap -- 'echo aborting' SIGTERM trap -- 'echo [$LINENO] debug' DEBUG [22] debug funcdebug line [2] funcdebug [24] debug trap -- 'echo exiting' EXIT trap -- 'echo aborting' SIGHUP trap -- 'echo aborting' SIGINT trap -- 'echo aborting' SIGQUIT trap -- 'echo aborting' SIGABRT trap -- 'echo aborting' SIGTERM trap -- 'echo [$LINENO] debug' DEBUG [26] debug trap -- 'echo exiting' EXIT trap -- 'echo aborting' SIGHUP trap -- 'echo aborting' SIGINT trap -- 'echo aborting' SIGQUIT trap -- 'echo aborting' SIGABRT trap -- 'echo aborting' SIGTERM trap -- '' DEBUG trap -- 'echo exiting' EXIT trap -- 'echo aborting' SIGHUP trap -- 'echo aborting' SIGINT trap -- 'echo aborting' SIGQUIT trap -- 'echo aborting' SIGABRT trap -- 'echo aborting' SIGTERM trap -- 'echo exiting' EXIT trap -- '' SIGINT trap -- 'echo aborting' SIGQUIT trap -- 'echo aborting' SIGABRT trap -- 'echo aborting' SIGTERM caught a child death caught a child death caught a child death trap -- 'echo caught a child death' SIGCHLD trap -- 'echo exiting' EXIT trap -- 'echo aborting' SIGABRT trap -- 'echo caught a child death' SIGCHLD trap -- '' SIGUSR2 exiting