actions: introduce start session action

[lttng-tools.git] / include / lttng / constant.h

diff --git a/include/lttng/constant.h b/include/lttng/constant.h
index 10f1bf694503fc5e42d9a20632fb5c5c9c2fdce7..faa582f7707d6609173b62bd0f45616e685ec455 100644 (file)
--- a/include/lttng/constant.h
+++ b/include/lttng/constant.h
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2014 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2014 David Goulet <dgoulet@efficios.com>
  *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- * for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #ifndef LTTNG_CONSTANT_H
@@ -54,4 +44,17 @@
 #define LTTNG_MAX_PID                          INT32_MAX
 #define LTTNG_MAX_PID_STR                      "2147483647"
 
+#define LTTNG_NAME_MAX                         255
+
+/*
+ * POSIX guarantees that a host name will not exceed 255 characters.
+ * Moreover, RFC 1035 limits the length of a fully qualified domain name (FQDN)
+ * to 255 characters.
+ *
+ * 256 is used to include a trailing NULL character.
+ */
+#define LTTNG_HOST_NAME_MAX                    256
+
+#define LTTNG_PATH_MAX                         4096
+
 #endif /* LTTNG_CONSTANT_H */