diff options
Diffstat (limited to 'tools/lib/traceevent/event-parse.c')
| -rw-r--r-- | tools/lib/traceevent/event-parse.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index d1973cb8388..1587ea392ad 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -5560,6 +5560,29 @@ int pevent_register_print_function(struct pevent *pevent, return ret; } +/** + * pevent_unregister_print_function - unregister a helper function + * @pevent: the handle to the pevent + * @func: the function to process the helper function + * @name: the name of the helper function + * + * This function removes existing print handler for function @name. + * + * Returns 0 if the handler was removed successully, -1 otherwise. + */ +int pevent_unregister_print_function(struct pevent *pevent, + pevent_func_handler func, char *name) +{ + struct pevent_function_handler *func_handle; + + func_handle = find_func_handler(pevent, name); + if (func_handle && func_handle->func == func) { + remove_func_handler(pevent, name); + return 0; + } + return -1; +} + static struct event_format *pevent_search_event(struct pevent *pevent, int id, const char *sys_name, const char *event_name) |