plugins: new sys condition event monitor (wip)

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/cond-w.c

@@ -163,7 +163,7 @@ int cond_set_path(const char *path, enum cond_state next)
 	return next != prev;
 }
 
-/* Should only be used by cond_set*(), cond_clear(), and usr plugin! */
+/* Should only be used by cond_set*(), cond_clear(), and usr/sys plugins! */
 void cond_update(const char *name)
 {
 	svc_t *svc, *iter = NULL;

src/cond.h

@@ -5,12 +5,14 @@
 #include <svc.h>
 
 #define COND_BASE      "finit/cond"
-#define COND_USR       "usr/"
 #define COND_PID       "pid/"
+#define COND_SYS       "sys/"
+#define COND_USR       "usr/"
 
 #define _PATH_COND     _PATH_VARRUN COND_BASE "/"
-#define _PATH_CONDUSR  _PATH_COND   COND_USR
 #define _PATH_CONDPID  _PATH_COND   COND_PID
+#define _PATH_CONDSYS  _PATH_COND   COND_SYS
+#define _PATH_CONDUSR  _PATH_COND   COND_USR
 #define _PATH_RECONF   _PATH_COND   "reconf"
 
 typedef enum cond_state {