diff options
Diffstat (limited to 'meta-skeleton/recipes-skeleton')
4 files changed, 252 insertions, 0 deletions
diff --git a/meta-skeleton/recipes-skeleton/service/service/COPYRIGHT b/meta-skeleton/recipes-skeleton/service/service/COPYRIGHT new file mode 100644 index 000000000..ec3e17113 --- /dev/null +++ b/meta-skeleton/recipes-skeleton/service/service/COPYRIGHT @@ -0,0 +1,15 @@ +Sysvinit is Copyright (C) 1991-2004 Miquel van Smoorenburg + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA diff --git a/meta-skeleton/recipes-skeleton/service/service/skeleton b/meta-skeleton/recipes-skeleton/service/service/skeleton new file mode 100644 index 000000000..a3edc9d08 --- /dev/null +++ b/meta-skeleton/recipes-skeleton/service/service/skeleton @@ -0,0 +1,193 @@ +#! /bin/sh +### BEGIN INIT INFO +# Provides: skeleton +# Required-Start: $local_fs +# Should-Start: +# Required-Stop: $local_fs +# Should-Stop: +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# Short-Description: Example initscript +# Description: This file should be used to construct scripts to be +# placed in /etc/init.d +### END INIT INFO + +# The definition of actions: (From LSB 3.1.0) +# start start the service +# stop stop the service +# restart stop and restart the service if the service is already running, +# otherwise start the service +# try-restart restart the service if the service is already running +# reload cause the configuration of the service to be reloaded without +# actually stopping and restarting the service +# force-reload cause the configuration to be reloaded if the service supports +# this, otherwise restart the service if it is running +# status print the current status of the service + +# The start, stop, restart, force-reload, and status actions shall be supported +# by all init scripts; the reload and the try-restart actions are optional + +# Common steps to convert this skeleton into a real init script +# 1) cp skeleton <the_real_name> +# 2) Set DESC and NAME +# 3) Check whether the daemon app is /usr/sbin/$NAME, if not, set it. +# 4) Set DAEMON_ARGS if there is any +# 5) Remove the useless code + +# NOTE: The skeleton doesn't support the daemon which is a script unless the +# pidof supports "-x" option, please see more comments for pidofproc () +# in /etc/init.d/functions + +# PATH should only include /usr/* if it runs after the mountnfs.sh script +PATH=/sbin:/usr/sbin:/bin:/usr/bin + +DESC="skeleton" +NAME="skeleton-test" +DAEMON=/usr/sbin/$NAME +DAEMON_ARGS="" +PIDFILE=/var/run/$NAME.pid + +. /etc/init.d/functions || exit 1 + +# Exit if the package is not installed +[ -x "$DAEMON" ] || exit 0 + +# Read configuration variable file if it is present +[ -r /etc/default/$NAME ] && . /etc/default/$NAME + +# +# Function that starts the daemon/service +# +do_start() { + local status pid + + status=0 + pid=`pidofproc $NAME` || status=$? + case $status in + 0) + echo "$DESC already running ($pid)." + exit 1 + ;; + *) + echo "Starting $DESC ..." + exec $DAEMON $DAEMON_ARGS >/dev/null 2>&1 || status=$? + echo "ERROR: Failed to start $DESC." + exit $status + ;; + esac + + # Add code here, if necessary, that waits for the process to be ready + # to handle requests from services started subsequently which depend + # on this one. As a last resort, sleep for some time. +} + +# +# Function that stops the daemon/service +# +do_stop() { + local pid status + + status=0 + pid=`pidofproc $NAME` || status=$? + case $status in + 0) + # Exit when fail to stop, the kill would complain when fail + kill -s 15 $pid >/dev/null && rm -f $PIDFILE && \ + echo "Stopped $DESC ($pid)." || exit $? + ;; + *) + echo "$DESC is not running; none killed." >&2 + ;; + esac + + # Wait for children to finish too if this is a daemon that forks + # and if the daemon is only ever run from this initscript. + # If the above conditions are not satisfied then add some other code + # that waits for the process to drop all resources that could be + # needed by services started subsequently. A last resort is to + # sleep for some time. + return $status +} + +# +# Function that sends a SIGHUP to the daemon/service +# +do_reload() { + local pid status + + status=0 + # If the daemon can reload its configuration without + # restarting (for example, when it is sent a SIGHUP), + # then implement that here. + pid=`pidofproc $NAME` || status=$? + case $status in + 0) + echo "Reloading $DESC ..." + kill -s 1 $pid || exit $? + ;; + *) + echo "$DESC is not running; none reloaded." >&2 + ;; + esac + exit $status +} + + +# +# Function that shows the daemon/service status +# +status_of_proc () { + local pid status + + status=0 + # pidof output null when no program is running, so no "2>/dev/null". + pid=`pidofproc $NAME` || status=$? + case $status in + 0) + echo "$DESC is running ($pid)." + exit 0 + ;; + *) + echo "$DESC is not running." >&2 + exit $status + ;; + esac +} + +case "$1" in +start) + do_start + ;; +stop) + do_stop || exit $? + ;; +status) + status_of_proc + ;; +restart) + # Always start the service regardless the status of do_stop + do_stop + do_start + ;; +try-restart|force-reload) + # force-reload is the same as reload or try-restart according + # to its definition, the reload is not implemented here, so + # force-reload is the alias of try-restart here, but it should + # be the alias of reload if reload is implemented. + # + # Only start the service when do_stop succeeds + do_stop && do_start + ;; +#reload) + # If the "reload" action is implemented properly, then let the + # force-reload be the alias of reload, and remove it from + # try-restart|force-reload) + # + #do_reload + #;; +*) + echo "Usage: $0 {start|stop|status|restart|try-restart|force-reload}" >&2 + exit 3 + ;; +esac + diff --git a/meta-skeleton/recipes-skeleton/service/service/skeleton_test.c b/meta-skeleton/recipes-skeleton/service/service/skeleton_test.c new file mode 100644 index 000000000..96c67ac11 --- /dev/null +++ b/meta-skeleton/recipes-skeleton/service/service/skeleton_test.c @@ -0,0 +1,12 @@ +#include <unistd.h> + +/* This demo does nothing except for testing /etc/init.d/skeleton */ + +int main(int argc, char *argv[]) +{ + daemon(0, 0); + while (1) { + sleep(1); + } + return 0; +} diff --git a/meta-skeleton/recipes-skeleton/service/service_0.1.bb b/meta-skeleton/recipes-skeleton/service/service_0.1.bb new file mode 100644 index 000000000..22137a5e5 --- /dev/null +++ b/meta-skeleton/recipes-skeleton/service/service_0.1.bb @@ -0,0 +1,32 @@ +DESCRIPTION = "The canonical example of init scripts" +SECTION = "base" +LICENSE = "GPLv2" +LIC_FILES_CHKSUM = "file://${WORKDIR}/COPYRIGHT;md5=349c872e0066155e1818b786938876a4" +RDEPENDS_${PN} = "initscripts" +PR = "r0" + +SRC_URI = "file://skeleton \ + file://skeleton_test.c \ + file://COPYRIGHT \ + " + +CONFFILES_${PN} += "${sysconfdir}/init.d/skeleton" + +do_compile () { + ${CC} ${WORKDIR}/skeleton_test.c -o ${WORKDIR}/skeleton-test +} + +do_install () { + install -d ${D}${sysconfdir}/init.d + cat ${WORKDIR}/skeleton | \ + sed -e 's,/etc,${sysconfdir},g' \ + -e 's,/usr/sbin,${sbindir},g' \ + -e 's,/var,${localstatedir},g' \ + -e 's,/usr/bin,${bindir},g' \ + -e 's,/usr,${prefix},g' > ${D}${sysconfdir}/init.d/skeleton + chmod a+x ${D}${sysconfdir}/init.d/skeleton + + install -d ${D}${sbindir} + install -m 0755 ${WORKDIR}/skeleton-test ${D}${sbindir}/ +} + |