procd: service instances can now report an error of why they failed to start.

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 41031

package/system/procd/Makefile

@@ -1,14 +1,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=procd
-PKG_VERSION:=2014-06-05
+PKG_VERSION:=2014-06-06
 
 PKG_RELEASE=$(PKG_SOURCE_VERSION)
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=git://nbd.name/luci2/procd.git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=45ca87272954f46eb6d55365d5a2fbe3520d66ce
+PKG_SOURCE_VERSION:=53c1ea6b9ade10eff3cec07519db862b365a4233
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 CMAKE_INSTALL:=1
 

package/system/procd/files/procd.sh

@@ -131,6 +131,11 @@ _procd_set_param() {
 		command|netdev|file|respawn|watch)
 			_procd_add_array "$type" "$@"
 		;;
+		error)
+			json_add_array "$type"
+			json_add_string "" "$@"
+			json_close_array
+		;;
 		nice)
 			json_add_int "$type" "$1"
 		;;
@@ -207,8 +212,13 @@ _procd_add_validation() {
 
 _procd_append_param() {
 	local type="$1"; shift
+	local _json_no_warning=1
 
 	json_select "$type"
+	[ $? = 0 ] || {
+		_procd_set_param "$type" "$@"
+		return
+	}
 	case "$type" in
 		env|data|limits)
 			_procd_add_table_data "$@"
@@ -216,6 +226,9 @@ _procd_append_param() {
 		command|netdev|file|respawn|watch)
 			_procd_add_array_data "$@"
 		;;
+		error)
+			json_add_string "" "$@"
+		;;
 	esac
 	json_select ..
 }