busybox: add watchdog daemon startup script

Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

diff --git a/package/busybox/Config.in b/package/busybox/Config.in
index b5770eb2a89eda666389c13dc79b01abd8f9621f..946134def23352a1318ec6743612491d79c824df 100644 (file)
--- a/package/busybox/Config.in
+++ b/package/busybox/Config.in
@@ -56,6 +56,23 @@ config BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
          Show packages in menuconfig that are potentially also provided
          by busybox.
 
+config BR2_PACKAGE_BUSYBOX_WATCHDOG
+       bool "Install the watchdog daemon startup script"
+       help
+         Install the watchdog daemon startup script,
+         that just start at the boot the busybox watchdog daemon.
+
+if BR2_PACKAGE_BUSYBOX_WATCHDOG
+
+config BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD
+       int "Delay between reset"
+       default "5"
+       help
+         Select the number of seconds between each
+         reset of the watchdog (default 5)
+
+endif
+
 endif
 
 if !BR2_PACKAGE_BUSYBOX # kconfig doesn't support else

diff --git a/package/busybox/S15watchdog b/package/busybox/S15watchdog
new file mode 100644 (file)
index 0000000..7f1110c
--- /dev/null
+++ b/package/busybox/S15watchdog
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# Start watchdog
+#
+
+case "$1" in
+ start)
+       echo "Starting watchdog..."
+       watchdog -t PERIOD /dev/watchdog
+       ;;
+  stop)
+       ;;
+  restart|reload)
+       ;;
+  *)
+       echo $"Usage: $0 {start|stop|restart}"
+       exit 1
+esac
+
+exit $?

diff --git a/package/busybox/busybox.mk b/package/busybox/busybox.mk
index 59448d5a2f6d05877fa3f21ec8c178283630db8a..1d988f838ee3af30767b84bc86c65330c3468268 100644 (file)
--- a/package/busybox/busybox.mk
+++ b/package/busybox/busybox.mk
@@ -142,6 +142,19 @@ define BUSYBOX_INSTALL_LOGGING_SCRIPT
        else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 endef
 
+ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
+define BUSYBOX_SET_WATCHDOG
+        $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))
+endef
+define BUSYBOX_INSTALL_WATCHDOG_SCRIPT
+       [ -f $(TARGET_DIR)/etc/init.d/S15watchdog ] || \
+               install -D -m 0755 package/busybox/S15watchdog \
+                       $(TARGET_DIR)/etc/init.d/S15watchdog && \
+               sed -i s/PERIOD/$(BR2_PACKAGE_BUSYBOX_WATCHDOG_PERIOD)/ \
+                       $(TARGET_DIR)/etc/init.d/S15watchdog
+endef
+endif
+
 # We do this here to avoid busting a modified .config in configure
 BUSYBOX_POST_EXTRACT_HOOKS += BUSYBOX_COPY_CONFIG
 
@@ -155,6 +168,7 @@ define BUSYBOX_CONFIGURE_CMDS
        $(BUSYBOX_NETKITTELNET)
        $(BUSYBOX_INTERNAL_SHADOW_PASSWORDS)
        $(BUSYBOX_DISABLE_MMU_APPLETS)
+       $(BUSYBOX_SET_WATCHDOG)
        @yes "" | $(MAKE) ARCH=$(KERNEL_ARCH) CROSS_COMPILE="$(TARGET_CROSS)" \
                -C $(@D) oldconfig
 endef
@@ -172,6 +186,7 @@ define BUSYBOX_INSTALL_TARGET_CMDS
        $(BUSYBOX_INSTALL_MDEV_SCRIPT)
        $(BUSYBOX_INSTALL_MDEV_CONF)
        $(BUSYBOX_INSTALL_LOGGING_SCRIPT)
+       $(BUSYBOX_INSTALL_WATCHDOG_SCRIPT)
 endef
 
 define BUSYBOX_UNINSTALL_TARGET_CMDS