Introduce LTTNG_UST_ALLOW_BLOCKING env. var.

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

diff --git a/libringbuffer/frontend_types.h b/libringbuffer/frontend_types.h
index bf4b4185e2368945494dd39e3df86efed5ff1aa8..629abcbd5b4186592176f2609b03d4820a56b7b8 100644 (file)
--- a/libringbuffer/frontend_types.h
+++ b/libringbuffer/frontend_types.h
@@ -70,7 +70,13 @@ struct channel {
        size_t priv_data_offset;
        unsigned int nr_streams;                /* Number of streams */
        struct lttng_ust_shm_handle *handle;
-       char padding[RB_CHANNEL_PADDING];
+       /* Extended options. */
+       union {
+               struct {
+                       int32_t blocking_timeout_ms;
+               } s;
+               char padding[RB_CHANNEL_PADDING];
+       } u;
        /*
         * Associated backend contains a variable-length array. Needs to
         * be last member.