libust ABI: export streams

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

diff --git a/include/ust/lttng-ust-abi.h b/include/ust/lttng-ust-abi.h
index 56fa8b9e076767e664e0bb9db76661c182acd907..73eb61f3f4d11cbb48c0dd4ead8a1b7a98f7c548 100644 (file)
--- a/include/ust/lttng-ust-abi.h
+++ b/include/ust/lttng-ust-abi.h
@@ -43,6 +43,16 @@ struct lttng_ust_channel {
        enum lttng_ust_output output;           /* output mode */
 };
 
+/*
+ * This structure is only used internally within UST. It is not per-se
+ * part of the communication between sessiond and UST.
+ */
+struct lttng_ust_stream {
+       int shm_fd;
+       int wait_fd;
+       uint64_t memory_map_size;
+};
+
 struct lttng_ust_event {
        char name[LTTNG_UST_SYM_NAME_LEN];      /* event name */
        enum lttng_ust_instrumentation instrumentation;