X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=doc%2Fsrc%2Fman%2Frmr_init.3.xfm;h=a190ef7156faa7dbc1973e7a85006064fb6ab8a6;hb=4d1f9bf4b14788f957964d93af940e84f8f01601;hp=3871d03453e16e17773da673f4f52c482086b29e;hpb=523a17b2ea5e380b5360e00828556e8b3872e33d;p=ric-plt%2Flib%2Frmr.git

diff --git a/doc/src/man/rmr_init.3.xfm b/doc/src/man/rmr_init.3.xfm
index 3871d03..a190ef7 100644
--- a/doc/src/man/rmr_init.3.xfm
+++ b/doc/src/man/rmr_init.3.xfm
@@ -1,7 +1,7 @@
 .if false
 ==================================================================================
-	Copyright (c) 2019 Nokia 
-	Copyright (c) 2018-2019 AT&T Intellectual Property.
+	Copyright (c) 2019-2020 Nokia 
+	Copyright (c) 2018-2020 AT&T Intellectual Property.
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -51,13 +51,19 @@ send messages.
 
 &space
 &ital(Port) is used to listen for connection requests from other RMR based applications.
-The value of &ital(max_msg_size) will be used when allocating zero copy send buffers
-which must be allocated, possibly, prior to the application knowing the actual size of
-a specific message. 
+The &ital(max_msg_size) parameter is used to allocate receive buffers and is the
+maximum message size which the application expects to receive. 
+This value is the sum of &bold(both) the maximum payload size &bold(and) the maximum
+trace data size. 
+This value is also used as the default message size when allocating message buffers.
+Messages arriving which are longer than the given maximum will be dropped without 
+notification to the application. 
+A warning is written to standard error for the first message which is too large on
+each connection.
 
 &space
 &ital(Flags) allows for selection of some RMr options at the time of initialisation. 
-These are set by ORing &cw(RMRFL_) constants from the RMr header file. Currently the 
+These are set by ORing &cw(RMRFL) constants from the RMr header file. Currently the 
 following flags are supported:
 
 &half_space
@@ -73,6 +79,15 @@ following flags are supported:
 &half_space
 &ditem(RMRFL_MTCALL)
 	Enable multi-threaded call support. 
+
+&half_space
+&ditem(RMRFL_NOLOCK)
+	Some underlying transport providers (e.g. SI95) enable locking to be turned off
+	if the user application is single threaded, or otherwise can guarantee that RMR
+	functions will not be invoked concurrently from different threads. Turning off
+	locking can help make message receipt more efficient. 
+	If this flag is set when the underlying transport does not support disabling
+	locks, it will be ignored.
 &end_dlist
 
 &h3(Multi-threaded Calling)
@@ -81,9 +96,9 @@ was limited such that only user applications which were operating in a single th
 could safely use the function.
 Further, timeouts were message count based and not time unit based. 
 Multi-threaded call support adds the ability for a user application with multiple threads
-to invoke a blocking call function with the guarentee that the correct response message 
+to invoke a blocking call function with the guarantee that the correct response message 
 is delivered to the thread.  
-The additional support is implemented with the &ital( rmr_mt_call() ) and &ital( rmr_mt_rcv() )
+The additional support is implemented with the &ital(rmr_mt_call()) and &ital(rmr_mt_rcv())
 function calls. 
 &space
 
@@ -102,21 +117,8 @@ environment variables to influence it's setup.
 The following variables will be used when found.
 &half_space 
 
-&beg_dlist(1i : &bold_font )
-&ditem(RMR_SEED_RT) 
-Assumes this is the filename of the seed route table file to use. In normal situations,
-the library will wait for an update from the route table generator (expected within a few seconds
-of initialisation) before being able to send messages.
-However, in some situations where a bootstrap table is necessary, this is the means to 
-supply it to the library.
-&half_space
-
-&ditem(RMR_RTG_SVC) 
-The route table generator assumes that RMr is listening on a well known port (4561) by 
-default, but this environment variable can be used to change the listening port if 
-needed. 
-The value of the variable is expected to be just the port.
-&end_dlist
+.** the list of environment vars supported
+.im &{lib}/man/env_var_list.im
 
 &h2(RETURN VALUE)
 The &cw(rmr_init) function returns a void pointer (a contex if you will) that is passed
@@ -142,6 +144,7 @@ error message of a system call is propagated up, and thus this list might be inc
 &ex_end
 
 &h2(SEE ALSO )
+.ju off
 rmr_alloc_msg(3),
 rmr_call(3),
 rmr_free_msg(3),
@@ -159,7 +162,5 @@ rmr_has_str(3),
 rmr_tokenise(3),
 rmr_mk_ring(3),
 rmr_ring_free(3)
-
-
-.qu
+.ju on