forked from freifunk-franken/firmware
configurehood: Prevent multiple instances at the same time
This is based on a similar patch from Tim Niemeyer. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Reviewed-by: Robert Langhammer <rlanghammer@web.de> Reviewed-by: Fabian Bläse <fabian@blaese.de>
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@ -1,7 +1,7 @@
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include $(TOPDIR)/rules.mk
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include $(TOPDIR)/rules.mk
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PKG_NAME:=fff-hoods
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PKG_NAME:=fff-hoods
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PKG_VERSION:=3
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PKG_VERSION:=4
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PKG_RELEASE:=1
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PKG_RELEASE:=1
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PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
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PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)
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@ -1,5 +1,13 @@
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#!/bin/sh
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#!/bin/sh
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# Allow only one instance
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lockfile="/var/lock/${0##*/}.lock"
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if ! lock -n "$lockfile"; then
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echo "Only one instance of $0 allowed."
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exit 1
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fi
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trap "lock -u \"$lockfile\"" INT TERM EXIT
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. /usr/share/libubox/jshn.sh
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. /usr/share/libubox/jshn.sh
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. /lib/functions/fff/keyxchange
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. /lib/functions/fff/keyxchange
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. /lib/functions/fff/network
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. /lib/functions/fff/network
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