init: Add support "&&" operator in property triggers

"&&" operator can now be used to test the validity
of two of more properties.

For example:

on property:test.a=1 && property:test.b=1
    setprop test.c 1

The above stub sets the test.c to 1 only when
both test.a=1 and test.b=1

Change-Id: I72c19f7aa92231372a416193618ee6c7fd368141
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/init/init.h b/init/init.h
index a7615a3..e03bd53 100644
--- a/init/init.h
+++ b/init/init.h
@@ -37,6 +37,11 @@ struct command
     char *args[1];
 };
 
+struct trigger {
+    struct listnode nlist;
+    const char *name;
+};
+
 struct action {
         /* node in list of all actions */
     struct listnode alist;
@@ -46,12 +51,15 @@ struct action {
     struct listnode tlist;
 
     unsigned hash;
-    const char *name;
 
+        /* list of actions which triggers the commands*/
+    struct listnode triggers;
     struct listnode commands;
     struct command *current;
 };
 
+void build_triggers_string(char *name_str, int length, struct action *cur_action);
+
 struct socketinfo {
     struct socketinfo *next;
     const char *name;