nldev

commit 9f094bed8c41fe587bee893c2f7faf94b65d8b1f
parent e54347c4816f96226113d0fddecff41502b22d1f
Author: Christoph Lohmann <20h@r-36.net>
Date:   Sat, 28 Apr 2012 20:30:56 +0200

Add nltrigger.

Diffstat:
Makefile
 | 
2
++
nltrigger
 | 
58
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
run_nldev
 | 
2
++

3 files changed, 62 insertions(+), 0 deletions(-)
diff --git a/Makefile b/Makefile
@@ -42,6 +42,7 @@ install: all
 	@mkdir -p ${DESTDIR}${PREFIX}/bin
 	@cp -f ${NAME} ${DESTDIR}${PREFIX}/bin
 	@cp -f run_${NAME} ${DESTDIR}${PREFIX}/bin
+	@cp -f nltrigger ${DESTDIR}${PREFIX}/bin
 	@chmod 755 ${DESTDIR}${PREFIX}/bin/${NAME}
 	@echo installing manual page to ${DESTDIR}${MANPREFIX}/man1
 	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
@@ -52,6 +53,7 @@ uninstall:
 	@echo removing executable file from ${DESTDIR}${PREFIX}/bin
 	@rm -f ${DESTDIR}${PREFIX}/bin/${NAME}
 	@rm -f ${DESTDIR}${PREFIX}/bin/run_${NAME}
+	@rm -f ${DESTDIR}${PREFIX}/bin/nltrigger
 	@echo removing manual page from ${DESTDIR}${PREFIX}/man1
 	@rm -f ${DESTDIR}${MANPREFIX}/man1/${NAME}.1
 
diff --git a/nltrigger b/nltrigger
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+if [ $# -eq 0 ];
+then
+	printf "usage: %s subsystem [action]\n" "$(basename $0)" >&2
+	exit 1
+fi
+
+action="add"
+if [ $# -eq 2 ];
+then
+	action="$2"
+fi
+
+if [ "$1" != "all" ];
+then
+	if [ -d /sys/class/$1 ];
+	then
+		for i in /sys/class/$1/*/uevent;
+		do
+			echo $action > $i
+		done
+		exit 0
+	fi
+
+	if [ -d /sys/bus/$1 ];
+	then
+		for i in /sys/bus/$1/devices/*/uevent;
+		do
+			echo $action > $i
+		done
+		exit 0
+	fi
+
+	if [ -d /sys/devices/$1 ];
+	then
+		for i in /sys/devices/$1/*/uevent \
+			/sys/devices/$1/*/*/uevent;
+		do
+			echo $action > $i
+		done
+		exit 0
+	fi
+
+	printf "Could not find subsystem '%s'.\n" $i >&2
+	exit 1
+fi
+
+exit 0
+
+for i in /sys/class/*/*/uevent /sys/bus/*/devices/*/uevent \
+	/sys/devices/*/*/uevent /sys/devices/*/*/*/uevent;
+do
+	echo $action > $i
+done
+
+exit 0
+
diff --git a/run_nldev b/run_nldev
@@ -1,4 +1,6 @@
 #!/bin/sh
 
+ln -s /proc/self/fd /dev/fd
+
 /bin/nldev -kd 2>&1 | logger -p daemon.notice -t nldev