saving PID_PATH during "pid record" calls, not during powerdown anymore

Author: Vincent-FK

FunKey/board/funkey/rootfs-overlay/usr/local/sbin/instant_play

@@ -64,13 +64,14 @@ save)
 	fi
 	shift
 
-	# Write quick load file args
-	echo -n "" > "${INSTANT_PLAY_FILE}"
-	printf "'" >> "${INSTANT_PLAY_FILE}"
-	# First arg is prog name, forcing real path
+	# Get curent binary real path
 	bin=$(printf %s "$1" | sed "s/'/'\\\\''/g")
     bin_name=$(basename "$bin")
     bin_path="$(cat $PID_PATH)"/"$bin_name"
+
+	# Write quick load file args
+	echo -n "" > "${INSTANT_PLAY_FILE}"
+	printf "'" >> "${INSTANT_PLAY_FILE}"
 	echo -n "$bin_path" >> "${INSTANT_PLAY_FILE}"
     printf "' " >> "${INSTANT_PLAY_FILE}"
     shift

FunKey/board/funkey/rootfs-overlay/usr/local/sbin/pid

@@ -5,6 +5,7 @@
 
 SELF="$(basename ${0})"
 PID_FILE="/var/run/funkey.pid"
+PID_PATH="/var/run/pid_path"
 
 usage() {
     >&2 echo "Usage: ${SELF} record pid"
@@ -16,10 +17,16 @@ usage() {
 record_pid() {
     local pid="${1}"
     if ! [ ! "${pid}" -ne "${pid}" ]; then
-	>&2 echo "error: ${pid} is not a number"
-	exit 2
+		>&2 echo "error: ${pid} is not a number"
+		exit 2
     fi
+
+    # Save PID
     echo "${1}" > "${PID_FILE}"
+
+    # Save current pid path
+    pid_path=$(dirname $(readlink /proc/${pid}/exe))
+    echo -n "$pid_path" > "$PID_PATH"
 }
 
 erase_pid() {

FunKey/board/funkey/rootfs-overlay/usr/local/sbin/powerdown

@@ -5,7 +5,6 @@
 
 SELF="$(basename ${0})"
 PID_FILE="/var/run/funkey.pid"
-PID_PATH="/var/run/pid_path"
 REBOOTING_FILE="/run/rebooting"
 
 usage() {
@@ -17,11 +16,6 @@ usage() {
 
 schedule_powerdown() {
 
-    # Save current pid path before closing bin 
-    # (won't work if bin is already closed)
-    pid_path=$(dirname $(readlink /proc/$(pid print)/exe))
-    echo -n "$pid_path" > "$PID_PATH"
-
     # Send USR1 signal to the running FunKey process to warn about
     # impending shutdown
     pkill -USR1 -F "${PID_FILE}" > /dev/null 2>&1