perf tools: Create typedef for common event synthesizing callback

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1262901583-8074-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 5 insertions, 7 deletions

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 61fc0dc658c2..80356da8216c 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -103,15 +103,13 @@ void event__print_totals(void);
 
 struct perf_session;
 
-int event__synthesize_thread(pid_t pid,
-                             int (*process)(event_t *event,
-                                            struct perf_session *session),
+typedef int (*event__handler_t)(event_t *event, struct perf_session *session);
+
+int event__synthesize_thread(pid_t pid, event__handler_t process,
                              struct perf_session *session);
-void event__synthesize_threads(int (*process)(event_t *event,
-                                              struct perf_session *session),
+void event__synthesize_threads(event__handler_t process,
                                struct perf_session *session);
-int event__synthesize_kernel_mmap(int (*process)(event_t *event,
-                                                 struct perf_session *session),
+int event__synthesize_kernel_mmap(event__handler_t process,
                                   struct perf_session *session,
                                   const char *symbol_name);