X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fconstant.h;h=1235c346f5432865d18fe4c134cf4dfdd10e1b92;hp=ed3ebe073b25c973495d059372a8a32e8ce091d9;hb=b867041c62b48e89c9f00430cde4c33f13a2da09;hpb=1239a312e7e0e4c33948fdaf04e7637cb93c8b10

diff --git a/include/lttng/constant.h b/include/lttng/constant.h
index ed3ebe073..1235c346f 100644
--- a/include/lttng/constant.h
+++ b/include/lttng/constant.h
@@ -45,6 +45,26 @@
 /*
  * 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
+
+/*
+ * 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 */