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|
#!/bin/sh
# SPDX-License-Identifier: AGPL-3.0-only
# Copyright 2022 Sxmo Contributors
# include common definitions
# shellcheck source=scripts/core/sxmo_common.sh
. sxmo_common.sh
ROOT="$XDG_RUNTIME_DIR/sxmo_daemons"
mkdir -p "$ROOT"
exec 3<> "$ROOT/daemons.lock"
flock -x 3
list() {
find "$ROOT" -mindepth 1 -exec 'basename' '{}' ';'
}
stop() {
while [ "$#" -gt 0 ]; do
case "$1" in
-f)
force=1
shift
;;
*)
id="$1"
shift
break
;;
esac
done
case "$id" in
all)
list | while read -r sub_id; do
stop "$sub_id"
done
;;
*)
if [ -f "$ROOT/$id" ]; then
sxmo_debug "stop $id"
xargs kill ${force:+-9} < "$ROOT"/"$id" 2> /dev/null
rm "$ROOT"/"$id"
fi
;;
esac
}
signal() {
id="$1"
shift
if [ -f "$ROOT/$id" ]; then
sxmo_debug "signal $id $*"
xargs kill "$@" < "$ROOT"/"$id" 2> /dev/null
fi
}
start() {
while [ "$#" -gt 0 ]; do
case "$1" in
--no-restart)
no_restart=1
shift
;;
*)
id="$1"
shift
break
;;
esac
done
if [ -f "$ROOT/$id" ]; then
if [ -n "$no_restart" ]; then
sxmo_debug "$id already running"
exit 1
else
stop "$id"
fi
fi
sxmo_debug "start $id"
(
# We need a subshell so we can close the lock fd, without
# releasing the lock
exec 3<&-
"$@" &
printf "%s\n" "$!" > "$ROOT"/"$id"
)
}
running() {
while [ "$#" -gt 0 ]; do
case "$1" in
-q)
quiet=1
shift
;;
*)
id="$1"
shift
;;
esac
done
log() {
if [ -z "$quiet" ]; then
# shellcheck disable=SC2059
printf "$@"
fi
}
if [ -f "$ROOT/$id" ]; then
pid="$(cat "$ROOT/$id")"
if [ -d "/proc/$pid" ]; then
log "%s is still running\n" "$id"
else
log "%s is not running anymore\n" "$id"
exit 2
fi
else
log "%s is not running\n" "$id"
exit 1
fi
}
"$@"
|
