parse-events: Pass context to callbacks

For the upcoming python plugin, it will
be required to pass a context into the
callback function so that it can use a
single C function to handle everything.

Acked-by: Darren Hart <dvhltc@us.ibm.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/parse-events.h b/parse-events.h
index 0283f57..7d1c42e 100644
--- a/parse-events.h
+++ b/parse-events.h
@@ -87,7 +87,8 @@ struct event_format;
 
 typedef int (*pevent_event_handler_func)(struct trace_seq *s,
                                          struct record *record,
-                                         struct event_format *event);
+                                         struct event_format *event,
+                                         void *context);
 
 typedef int (*pevent_plugin_load_func)(struct pevent *pevent);
 typedef int (*pevent_plugin_unload_func)(void);
@@ -230,6 +231,7 @@ struct event_format {
         struct print_fmt        print_fmt;
         char                    *system;
         pevent_event_handler_func handler;
+        void                    *context;
 };
 
 enum {
@@ -428,7 +430,7 @@ int pevent_parse_header_page(struct pevent *pevent, char *buf, unsigned long siz
 int pevent_parse_event(struct pevent *pevent, char *buf, unsigned long size, char *sys);
 
 int pevent_register_event_handler(struct pevent *pevent, int id, char *sys_name, char *event_name,
-                                  pevent_event_handler_func func);
+                                  pevent_event_handler_func func, void *context);
 int pevent_register_print_function(struct pevent *pevent,
                                    pevent_func_handler func,
                                    enum pevent_func_arg_type ret_type,