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author"Steven J. Hill" <sjhill@realitydiluted.com>2007-05-09 22:48:41 +0000
committer"Steven J. Hill" <sjhill@realitydiluted.com>2007-05-09 22:48:41 +0000
commit6b00c90d709a01822027fb9986ec8ace605dd991 (patch)
tree247dda891d7c16580a7d274411581c519d01c2db /package/ltt/S27tracer
parent448153a06a443ad61f3df88408edf3a7da98ea0c (diff)
downloadbuildroot-novena-6b00c90d709a01822027fb9986ec8ace605dd991.tar.gz
buildroot-novena-6b00c90d709a01822027fb9986ec8ace605dd991.zip
Rename all INIT scripts to have the numerical prefixes to easily see the start-up order.
Diffstat (limited to 'package/ltt/S27tracer')
-rwxr-xr-xpackage/ltt/S27tracer93
1 files changed, 93 insertions, 0 deletions
diff --git a/package/ltt/S27tracer b/package/ltt/S27tracer
new file mode 100755
index 000000000..3dee49211
--- /dev/null
+++ b/package/ltt/S27tracer
@@ -0,0 +1,93 @@
+#!/bin/sh
+#
+# Load tracer module and create tracer device node.
+#
+
+MODULE="tracer"
+MAIN_DEVICE="tracer"
+USER_DEVICE="tracerU"
+GROUP="root"
+MODE="664"
+
+start() {
+ if [ -e /dev/${MAIN_DEVICE} -o -e /dev/${USER_DEVICE} ]
+ then
+ # tell the user about what we are doing
+ echo "Deleting old tracer nodes: /dev/tracer and /dev/tracerU"
+
+ # remove stale nodes
+ rm -f /dev/${MAIN_DEVICE}
+ rm -f /dev/${USER_DEVICE}
+ fi
+
+ # look for the major number
+ MAJOR=`/bin/grep " ${MODULE}$" /proc/devices | cut -d" " -f1`
+
+ # does the device exist?
+ if [ ${MAJOR} ]
+ then
+ echo "Found tracer device with major number:" ${MAJOR}
+ else
+ echo "Loading tracer kernel module: "
+ # invoke modprobe
+ /sbin/modprobe ${MODULE}
+ MAJOR=`/bin/grep " ${MODULE}$" /proc/devices | cut -d" " -f1`
+ if [ ${MAJOR} ]
+ then
+ echo "Found tracer device with major number:" ${MAJOR}
+ else
+ echo "Did not find tracer device ... /dev entries not created ..."
+ exit 1
+ fi
+ fi
+
+ # tell the user about what we are doing
+ echo "Creating new tracer nodes: /dev/tracer and /dev/tracerU"
+
+ # create the character special file
+ /bin/mknod /dev/${MAIN_DEVICE} c ${MAJOR} 0
+ /bin/mknod /dev/${USER_DEVICE} c ${MAJOR} 1
+
+ # set permissions and ownership
+ /bin/chgrp ${GROUP} /dev/${MAIN_DEVICE}
+ /bin/chmod ${MODE} /dev/${MAIN_DEVICE}
+ /bin/chgrp ${GROUP} /dev/${USER_DEVICE}
+ /bin/chmod ${MODE} /dev/${USER_DEVICE}
+}
+stop() {
+ # tell the user about what we are doing
+ echo "Deleting tracer nodes: /dev/tracer and /dev/tracerU"
+
+ # remove nodes
+ rm -f /dev/${MAIN_DEVICE}
+ rm -f /dev/${USER_DEVICE}
+
+ if lsmod | /bin/grep "^${MODULE} "
+ then
+ echo -n "Removing tracer kernel module: "
+ # invoke modprobe -r
+ /sbin/modprobe -r ${MODULE}
+ echo "OK"
+ fi
+}
+restart() {
+ stop
+ start
+}
+
+case "$1" in
+ start)
+ start
+ ;;
+ stop)
+ stop
+ ;;
+ restart|reload)
+ restart
+ ;;
+ *)
+ echo $"Usage: $0 {start|stop|restart}"
+ exit 1
+esac
+
+exit $?