diff --git a/rowbot b/rowbot
index 4b542c6..8708ab8 100755
--- a/rowbot
+++ b/rowbot
@@ -155,13 +155,17 @@ get_option trigger \`
 get_option dev yes
 
 ###
-# bootup sequence
+# bootup/shutdown sequence
 ###
 
-on_first_001_bootup() {
+on_sys_first_001_bootup() {
   log_info "rowbot's pid is %d" "$$"
 }
 
+on_sys_exit_999_bootup() {
+  log_info "There’s a lot of beauty in ordinary things. Isn’t that kind of the point?"
+}
+
 ###
 # logger
 ###
@@ -200,7 +204,7 @@ log_has_level() {
   return 1
 }
 
-on_init_001_log() {
+on_sys_init_001_log() {
   declare -gA log_levels=( [debug]=1 [info]=2 [warn]=3 [error]=4 )
   get_option log-level info
 
@@ -223,8 +227,9 @@ on_init_001_log() {
   fi
 }
 
-on_exit_zzz_log() {
+on_sys_exit_999_log() {
   if [[ -v log_fd ]] && (( log_fd != 1 )); then
+    log_debug "shutting logger down"
     exec {log_fd}>&-
   fi
 }
@@ -249,7 +254,7 @@ net_send() {
   log_debug "sending line: %s" "$fmt"
 }
 
-on_init_002_net() {
+on_sys_init_002_net() {
   get_option server irc.libera.chat
   get_option tls no
 
@@ -261,8 +266,8 @@ on_init_002_net() {
   fi
 }
 
-on_first_002_net() {
-  local irc_sock conn_args
+on_sys_first_002_net() {
+  local conn_args
 
   if [[ ${config[tls]} = no ]]; then
     log_info "rowbot is connecting to irc://%s:%s" "${config[server]}" "${config[port]}"
@@ -297,13 +302,23 @@ on_first_002_net() {
   fi
 }
 
+on_sys_exit_998_net() {
+  if [[ ${config[tls]} = no ]]; then
+    log_info "rowbot is closing the connection to irc://%s:%s" "${config[server]}" "${config[port]}"
+    exec {irc_sock}>&-
+  else
+    log_info "rowbot is closing the connection to ircs://%s:%s" "${config[server]}" "${config[port]}"
+    rm -rf -- "$sock_dir"
+  fi
+}
+
 ###
 # cleanup
 ###
 
 cleanup() {
-  log_info "There’s a lot of beauty in ordinary things. Isn’t that kind of the point?"
   run_callbacks on_exit_
+  run_callbacks on_sys_exit_
 }
 
 trap cleanup EXIT
@@ -314,6 +329,7 @@ trap cleanup EXIT
 
 reload_config() {
   local setting setting_name
+  run_callbacks on_sys_before_
   run_callbacks on_before_
 
   for setting in "${!config[@]}"; do
@@ -335,10 +351,13 @@ trap reload_hup HUP
 # initialization sequence
 ###
 
+run_callbacks on_sys_init_
 run_callbacks on_init_
 
 if is_reloaded; then
+  run_callbacks on_sys_after_
   run_callbacks on_after_
 else
+  run_callbacks on_sys_first_
   run_callbacks on_first_
 fi