/*
* Event symbol length. Copied from LTTng kernel ABI.
*/
-#define LTTNG_SYMBOL_NAME_LEN 256
+#define LTTNG_SYMBOL_NAME_LEN 256
+
+/*
+ * PROC(5) mentions that PID_MAX_LIMIT may not exceed 2^22 on 64-bit HW.
+ * We prefer to use 32-bits for simplicity's sake.
+ */
+#define LTTNG_MAX_PID INT32_MAX
+#define LTTNG_MAX_PID_STR "2147483647"
+
+#define LTTNG_NAME_MAX 255
+
+#define LTTNG_HOST_NAME_MAX 64
+
+#define LTTNG_PATH_MAX 4096
#endif /* LTTNG_CONSTANT_H */