X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fconstant.h;h=edf4c3a8dd97d9b189aae0d4779418fe1f17dc09;hb=36d2e35df61339e4394e84ad9790b984d259e0f0;hp=ed3ebe073b25c973495d059372a8a32e8ce091d9;hpb=1239a312e7e0e4c33948fdaf04e7637cb93c8b10;p=lttng-tools.git

diff --git a/include/lttng/constant.h b/include/lttng/constant.h
index ed3ebe073..edf4c3a8d 100644
--- a/include/lttng/constant.h
+++ b/include/lttng/constant.h
@@ -45,6 +45,15 @@
 /*
  * 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
 
 #endif /* LTTNG_CONSTANT_H */