1 files changed, 2 insertions, 1 deletions
diff --git a/gdb/event-top.c b/gdb/event-top.c
index 2519aae1928..e76f08728c9 100644
--- a/gdb/event-top.c
+++ b/gdb/event-top.c
@@ -1042,10 +1042,11 @@ async_stop_sig (gdb_client_data arg)
 #if HAVE_SIGPROCMASK
   {
     sigset_t zero;
+
     sigemptyset (&zero);
     sigprocmask (SIG_SETMASK, &zero, 0);
   }
-#else
+#elif HAVE_SIGSETMASK
   sigsetmask (0);
 #endif
   kill (getpid (), SIGTSTP);