tools: fail if we can't set up signal handlers in event-debug

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

diff --git a/tools/event-debug.c b/tools/event-debug.c
index 8fbea24..c567550 100644 (file)
--- a/tools/event-debug.c
+++ b/tools/event-debug.c
@@ -351,6 +351,7 @@ mainloop(struct libinput *li)
            sigprocmask(SIG_BLOCK, &mask, NULL) == -1) {
                fprintf(stderr, "Failed to set up signal handling (%s)\n",
                                strerror(errno));
+               return;
        }
 
        /* Handle already-pending device added events */