diff -up libpfm-4.2.0/perf_examples/notify_group.c.siginfo_t libpfm-4.2.0/perf_examples/notify_group.c
--- libpfm-4.2.0/perf_examples/notify_group.c.siginfo_t	2012-06-07 14:48:30.969999948 -0400
+++ libpfm-4.2.0/perf_examples/notify_group.c	2012-06-07 14:49:13.124000197 -0400
@@ -51,7 +51,7 @@ static int num_fds;
 static int buffer_pages = 1; /* size of buffer payload  (must be power of 2) */
 
 static void
-sigio_handler(int n, struct siginfo *info, struct sigcontext *sc)
+sigio_handler(int n, siginfo_t *info, struct sigcontext *sc)
 {
 	struct perf_event_mmap_page *hdr;
 	struct perf_event_header ehdr;
diff -up libpfm-4.2.0/perf_examples/notify_self.c.siginfo_t libpfm-4.2.0/perf_examples/notify_self.c
--- libpfm-4.2.0/perf_examples/notify_self.c.siginfo_t	2012-06-07 14:48:39.559998906 -0400
+++ libpfm-4.2.0/perf_examples/notify_self.c	2012-06-07 14:49:02.143000006 -0400
@@ -47,7 +47,7 @@ static int num_fds = 0;
 static int buffer_pages = 1; /* size of buffer payload (must be power of 2)*/
 
 static void
-sigio_handler(int n, struct siginfo *info, void *uc)
+sigio_handler(int n, siginfo_t *info, void *uc)
 {
 	struct perf_event_header ehdr;
 	int ret, id;