+#define TRACER_ENV_LEN 128
+
+/* tracer-specific environment */
+struct ctf_tracer_env {
+ int vpid; /* negative if unset */
+
+ /* All strings below: "" if unset. */
+ char procname[TRACER_ENV_LEN];
+ char domain[TRACER_ENV_LEN];
+ char sysname[TRACER_ENV_LEN];
+ char release[TRACER_ENV_LEN];
+ char version[TRACER_ENV_LEN];
+};
+