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tools lib traceevent: Make plugin unload function receive pevent

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The PEVENT_PLUGIN_UNLOADER function might need some cleanup using pevent
like unregister some handlers.  So pass pevent as argument.

Signed-off-by: Namhyung Kim <[email protected]>
Reviewed-by: Jiri Olsa <[email protected]>
Acked-by: Steven Rostedt <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Namhyung Kim 2014-01-15 10:45:28 +09:00 • committed by Arnaldo Carvalho de Melo
commit 8d0c2224ca
4 changed files with 8 additions and 7 deletions
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7
tools/lib/traceevent/event-parse.h
View file

@ -105,7 +105,7 @@ typedef int (*pevent_event_handler_func)(struct trace_seq *s,
void *context);
typedef int (*pevent_plugin_load_func)(struct pevent *pevent);
typedef int (*pevent_plugin_unload_func)(void);
typedef int (*pevent_plugin_unload_func)(struct pevent *pevent);
struct plugin_option {
struct plugin_option *next;
@ -130,7 +130,7 @@ struct plugin_option {
* PEVENT_PLUGIN_UNLOADER: (optional)
* The function called just before unloading
*
* int PEVENT_PLUGIN_UNLOADER(void)
* int PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
*
* PEVENT_PLUGIN_OPTIONS: (optional)
* Plugin options that can be set before loading
@ -411,7 +411,8 @@ enum pevent_errno {
struct plugin_list;
struct plugin_list *traceevent_load_plugins(struct pevent *pevent);
void traceevent_unload_plugins(struct plugin_list *plugin_list);
void traceevent_unload_plugins(struct plugin_list *plugin_list,
struct pevent *pevent);
struct cmdline;
struct cmdline_list;

4
tools/lib/traceevent/event-plugin.c
View file

@ -197,7 +197,7 @@ traceevent_load_plugins(struct pevent *pevent)
}
void
traceevent_unload_plugins(struct plugin_list *plugin_list)
traceevent_unload_plugins(struct plugin_list *plugin_list, struct pevent *pevent)
{
pevent_plugin_unload_func func;
struct plugin_list *list;
@ -207,7 +207,7 @@ traceevent_unload_plugins(struct plugin_list *plugin_list)
plugin_list = list->next;
func = dlsym(list->handle, PEVENT_PLUGIN_UNLOADER_NAME);
if (func)
func();
func(pevent);
dlclose(list->handle);
free(list->name);
free(list);

2
tools/lib/traceevent/plugin_function.c
View file

@ -144,7 +144,7 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
return 0;
}
void PEVENT_PLUGIN_UNLOADER(void)
void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
{
int i, x;