Export consumer ABI, implement ring buffer modifications for consumer

[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 c4d51a3912b90efa3a10b0d5d1f021c3e7536e84..ef1e7e542548140f612bcfeaef94d5cdb7c28483 100644 (file)
--- a/include/ust/lttng-ust-abi.h
+++ b/include/ust/lttng-ust-abi.h
@@ -41,6 +41,20 @@ 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;
+};
+
+/*
+ * 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 {
@@ -76,6 +90,7 @@ struct lttng_ust_context {
        _UST_CMDR(0x41, struct lttng_ust_tracer_version)
 #define LTTNG_UST_TRACEPOINT_LIST              _UST_CMD(0x42)
 #define LTTNG_UST_WAIT_QUIESCENT               _UST_CMD(0x43)
+#define LTTNG_UST_REGISTER_DONE                        _UST_CMD(0x44)
 
 /* Session FD commands */
 #define LTTNG_UST_METADATA                     \