Update UST ABI and add UST some error message

[lttng-tools.git] / include / lttng-ust.h

diff --git a/include/lttng-ust.h b/include/lttng-ust.h
index abfd613b9b982c297bb186c455eab94e7b5cd9bc..b61c320d5fa5db27aad9dc54bdb74f4be041154f 100644 (file)
--- a/include/lttng-ust.h
+++ b/include/lttng-ust.h
@@ -45,6 +45,10 @@ struct lttng_ust_channel {
        unsigned int switch_timer_interval;     /* usecs */
        unsigned int read_timer_interval;       /* usecs */
        enum lttng_ust_output output;           /* output mode */
+       /* The following fields are used internally within UST. */
+       int shm_fd;
+       int wait_fd;
+       uint64_t memory_map_size;
 };
 
 struct lttng_ust_event {