rseq fallback: use saturated reference counter

[lttng-ust.git] / libringbuffer / frontend_types.h

diff --git a/libringbuffer/frontend_types.h b/libringbuffer/frontend_types.h
index b99fb8cba204687da8e4900da80c01da4c533a51..6b023b7c3ba9c217c304f9f0e1431d03595860d1 100644 (file)
--- a/libringbuffer/frontend_types.h
+++ b/libringbuffer/frontend_types.h
@@ -71,7 +71,7 @@ struct channel {
        unsigned int nr_streams;                /* Number of streams */
        struct lttng_ust_shm_handle *handle;
        union {
-               unsigned long reserve_fallback_ref;
+               long reserve_fallback_ref;
                char padding[RB_CHANNEL_PADDING];
        } u;
        /*