Add kernel sesison and channel creation support

[lttng-tools.git] / ltt-sessiond / ltt-sessiond.h

diff --git a/ltt-sessiond/ltt-sessiond.h b/ltt-sessiond/ltt-sessiond.h
index ab82bf8c579ed4a3621d4686975a353e9b4d87ed..d563d1016a9672d18f607d4142c91bea2d1cabee 100644 (file)
--- a/ltt-sessiond/ltt-sessiond.h
+++ b/ltt-sessiond/ltt-sessiond.h
@@ -22,9 +22,31 @@
 #define DEFAULT_UST_SOCK_DIR           "/tmp/ust-app-socks"
 #define DEFAULT_GLOBAL_APPS_PIPE       "/tmp/ust-app-socks/global"
 
+/*
+ * Kernel tracer defines
+ */
+#define DEFAULT_KERNEL_TRACER_PATH                     "/mnt/debugfs/lttng"
+#define DEFAULT_KERNEL_OVERWRITE            0
+#define DEFAULT_KERNEL_SUBBUF_SIZE          512                /* bytes */
+#define DEFAULT_KERNEL_SUBBUF_NUM           2          /* Must always be a power of 2 */
+#define DEFAULT_KERNEL_SWITCH_TIMER         0          /* usec */
+#define DEFAULT_KERNEL_READ_TIMER           10000      /* usec */
+
 extern const char default_home_dir[],
        default_tracing_group[],
        default_ust_sock_dir[],
        default_global_apps_pipe[];
 
+/*
+ * This contains extra data needed for processing a command received by the
+ * session daemon from the lttng client.
+ */
+struct command_ctx {
+       int ust_sock;
+       unsigned int lttng_msg_size;
+       struct ltt_session *session;
+       struct lttcomm_lttng_msg *llm;
+       struct lttcomm_session_msg *lsm;
+};
+
 #endif /* _LTT_SESSIOND_H */