Add fork-based supervisor daemon for instant restart

module/customize.sh

@@ -67,10 +67,13 @@ ui_print ""
 ui_print "- Extracting $ARCH libraries"
 install_file "lib/$ABI_DIR/libTEESimulator.so" "$MODPATH"
 install_file "lib/$ABI_DIR/libinject.so" "$MODPATH"
+install_file "lib/$ABI_DIR/libsupervisor.so" "$MODPATH"
 ui_print ""
 
 mv "$MODPATH/libinject.so" "$MODPATH/inject"
+mv "$MODPATH/libsupervisor.so" "$MODPATH/supervisor"
 chmod 755 "$MODPATH/inject"
+chmod 755 "$MODPATH/supervisor"
 
 # --- Configuration Files ---
 if [ ! -d "$CONFIG_DIR" ]; then

module/service.sh

@@ -1,11 +1,5 @@
-DEBUG=false
-
 MODDIR=${0%/*}
-
 cd $MODDIR
 
-while true; do
-  ./daemon "$MODDIR" || exit 1
-  # ensure keystore initialized
-  sleep 2
-done &
+# Fork-based supervisor for instant restart
+./supervisor ./daemon "$MODDIR" &