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busybox: add watchdog daemon startup script

PATCH Superseded Fabio Porcedda 2 participants 3 messages Feb 10, 2012 – Feb 13, 2012

v3 of 5 Superseded Latest is v5 →

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Fabio Porcedda

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#0 lore raw

PATCH v3 1/1 busybox: add watchdog daemon startup script

Signed-off-by Fabio Porcedda <[email protected]>

---
Changes for v3:
- Changed the default value in the script, as asked by Jean-Christophe.

Changes for v2:
- Add the option to set the reset frequency, as asked by Arnout Vandecappelle.

 package/busybox/Config.in   |   17 +++++++++++++++++
 package/busybox/S15watchdog |   20 ++++++++++++++++++++
 package/busybox/busybox.mk  |   11 +++++++++++
 3 files changed, 48 insertions(+), 0 deletions(-)
 create mode 100644 package/busybox/S15watchdog
package/busybox/Config.in +17 -0
index 4176020..a12f9b8 100644
@@ -62,6 +62,23 @@ 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
package/busybox/S15watchdog new file +20 -0
new file mode 100644
index 0000000..7f1110c
@@ -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 $?
package/busybox/busybox.mk +11 -0
index 59448d5..c77bab5 100644
@@ -142,6 +142,16 @@ define BUSYBOX_INSTALL_LOGGING_SCRIPT
 	else rm -f $(TARGET_DIR)/etc/init.d/S01logging; fi
 endef
 
+ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
+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
 

@@ -172,6 +182,7 @@ 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
Signature · 1 line
1.7.8.3
#1 lore raw

PATCH v3 1/1 busybox: add watchdog daemon startup script

Quoted 1 line · On Friday 10 February 2012 17:52:05 Fabio Porcedda wrote:
Signed-off-by Fabio Porcedda <[email protected]>
Acked-by Arnout Vandecappelle (Essensium/Mind) <[email protected]>

It may be useful to force-enable the watchdog in the buildroot config
it this option is selected. For me, that's not necessary though.

It would look something like this:

ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
define BUSYBOX_SET_WATCHDOG

        $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))

endef
endif

and then add BUSYBOX_SET_WATCHDOG to the rest of the config modifiers.

Regards,
Arnout

Signature · 6 lines
Arnout Vandecappelle                               arnout at mind be
Senior Embedded Software Architect                 +32-16-286540
Essensium/Mind                                     http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium                BE 872 984 063 RPR Leuven
LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
GPG fingerprint:  7CB5 E4CC 6C2E EFD4 6E3D A754 F963 ECAB 2450 2F1F
author
#2 lore raw

PATCH v3 1/1 busybox: add watchdog daemon startup script

Quoted 9 lines · Arnout Vandecappelle
Quoted 1 line · On Friday 10 February 2012 17:52:05 Fabio Porcedda wrote:
Signed-off-by Fabio Porcedda <[email protected]>
Acked-by Arnout Vandecappelle (Essensium/Mind) <[email protected]>

It may be useful to force-enable the watchdog in the buildroot config
it this option is selected. For me, that's not necessary though.

It would look something like this:

Quoted 7 lines

ifeq ($(BR2_PACKAGE_BUSYBOX_WATCHDOG),y)
define BUSYBOX_SET_WATCHDOG

        $(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG,$(BUSYBOX_BUILD_CONFIG))

endef
endif

and then add BUSYBOX_SET_WATCHDOG to the rest of the config modifiers.

Ok, i'm making an updated patch following this suggestion.

Quoted 4 lines

Regards,
Arnout

Signature · 10 lines
Fabio Porcedda
Software Developer - R&D Cagliari

Telit Communications S.p.A.
Loc. Sa Illetta, SS 195, Km 2.300
09122 Cagliari - Italy
Phone: +39 070 4603 247
Fax:   +39 070 4603 250
Skype: fabiopo_telit
http://www.telit.com