commit dd31cb03116dbce167f8826c09c1a84c1b7a1623
Author: Thomas Schöpping <tschoepp@cit-ec.uni-bielefeld.de>
Date:   Mon Mar 2 17:27:59 2020 +0100

    Documentation restructured and overhauled.

diff --git a/doc/activitydiagrams/topic/urtTopicInit.svg b/doc/activitydiagrams/topic/urtTopicInit.svg
index 54e20c1..aa055e6 100644
--- a/doc/activitydiagrams/topic/urtTopicInit.svg
+++ b/doc/activitydiagrams/topic/urtTopicInit.svg
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" contentScriptType="application/ecmascript" contentStyleType="text/css" height="1031px" preserveAspectRatio="none" style="width:999px;height:1031px;" version="1.1" viewBox="0 0 999 1031" width="999px" zoomAndPan="magnify"><defs><filter height="300%" id="fxpvnq5f0ubws" width="300%" x="-1" y="-1"><feGaussianBlur result="blurOut" stdDeviation="2.0"/><feColorMatrix in="blurOut" result="blurOut2" type="matrix" values="0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .4 0"/><feOffset dx="4.0" dy="4.0" in="blurOut2" result="blurOut3"/><feBlend in="SourceGraphic" in2="blurOut3" mode="normal"/></filter></defs><g><text fill="#000000" font-family="sans-serif" font-size="18" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="89" x="454.25" y="26.708">µRtWare</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="117" x="440.25" y="47.6611">urtTopicInit()</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="0" x="501.75" y="68.6143"/><path d="M223.75,72.8594 L223.75,213.9219 L774.75,213.9219 L774.75,82.8594 L764.75,72.8594 L223.75,72.8594 " fill="#FBFB77" filter="url(#fxpvnq5f0ubws)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M764.75,72.8594 L764.75,82.8594 L774.75,82.8594 L764.75,72.8594 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="223.75" x2="433.25" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="437.25" y="89.4263"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="37" x="437.25" y="89.4263">topic</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="83" x="478.25" y="89.4263">: urt_topic_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="565.25" x2="774.75" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="134" x="229.75" y="105.0591">The topic to initialize.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="229.75" y="120.1919">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="309.75" y="120.1919">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="341.75" y="120.1919">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="223.75" x2="442.75" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="446.75" y="134.8247"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="14" x="446.75" y="134.8247">id</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="87" x="464.75" y="134.8247">: urt_topicid_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="555.75" x2="774.75" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="244" x="229.75" y="150.4575">Unique, numeric identifier of the topic.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="223.75" x2="774.75" y1="158.5234" y2="158.5234"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="223.75" x2="774.75" y1="160.5234" y2="160.5234"/><line style="stroke: #A80036; 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stroke-width: 1.0;"/><path d="M80.75,263.9219 L80.75,485.7813 A0,0 0 0 0 80.75,485.7813 L413.75,485.7813 A0,0 0 0 0 413.75,485.7813 L413.75,378.8516 L433.75,374.8516 L413.75,370.8516 L413.75,273.9219 L403.75,263.9219 L80.75,263.9219 A0,0 0 0 0 80.75,263.9219 " fill="#FBFB77" filter="url(#fxpvnq5f0ubws)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M403.75,263.9219 L403.75,273.9219 L413.75,273.9219 L403.75,263.9219 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="32" x="86.75" y="280.9888">next</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="11" x="122.75" y="280.9888">←</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="137.75" y="280.9888">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="14" x="86.75" y="296.1216">id</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="26" x="104.75" y="296.1216">← id</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="81" x="86.75" y="311.2544">urtMutexInit(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="30" x="167.75" y="311.2544">lock</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="5" x="197.75" y="311.2544">)</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="123" x="86.75" y="326.3872">urtEventSourceInit(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="73" x="209.75" y="326.3872">evtSource</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="5" x="282.75" y="326.3872">)</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="134" x="86.75" y="341.52">numHrtSubscriber</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="23" x="224.75" y="341.52">← 0</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="108" x="86.75" y="356.6528">hrtSubscribers</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="11" x="198.75" y="356.6528">←</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="213.75" y="356.6528">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="95" x="86.75" y="371.7856">urtCondvarInit(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="89" x="181.75" y="371.7856">hrtReleased</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="5" x="270.75" y="371.7856">)</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="99" x="86.75" y="386.9185">urtMessageInit(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="146" x="185.75" y="386.9185">mandatoryMessage</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="5" x="331.75" y="386.9185">)</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="108" x="86.75" y="402.0513">latestMessage</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="153" x="198.75" y="402.0513">← &amp;mandatoryMessage</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="80.75" x2="91.25" y1="412.6836" y2="412.6836"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="304" x="95.25" y="416.6841">URT_CFG_PUBSUB_QOS_RATECHECKS == true</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="403.25" x2="413.75" y1="412.6836" y2="412.6836"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="78" x="86.75" y="432.3169">urtTimerInit(</text><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="102" x="164.75" y="432.3169">qosRateTimer</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="5" x="266.75" y="432.3169">)</text><line style="stroke: #A80036; stroke-width: 1.0; stroke-dasharray: 1.0,2.0;" x1="80.75" x2="118.75" y1="442.9492" y2="442.9492"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="249" x="122.75" y="446.9497">URT_CFG_PUBSUB_PROFILING == true</text><line style="stroke: #A80036; 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stroke-width: 1.0;"/><path d="M366.75,510.1992 L366.75,520.1992 L376.75,520.1992 L366.75,510.1992 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="93" x="112.75" y="527.2661">latestMessage</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="16" x="205.75" y="527.2661">-&gt;</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="140" x="221.75" y="527.2661">next ← latestMessage</text><rect fill="#FEFECE" filter="url(#fxpvnq5f0ubws)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="205" x="396.75" y="505.7813"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="185" x="406.75" y="526.9199">close circular message buffer</text><rect fill="#FEFECE" filter="url(#fxpvnq5f0ubws)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="77" x="460.75" y="559.75"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="57" x="470.75" y="580.8887">lock core</text><rect fill="#FEFECE" filter="url(#fxpvnq5f0ubws)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="127" x="435.75" y="613.7188"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="107" x="445.75" y="634.8574">access first topic</text><rect fill="#FEFECE" filter="url(#fxpvnq5f0ubws)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="155" x="421.75" y="725.0073"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="135" x="431.75" y="746.146">proceed to next topic</text><polygon fill="#FEFECE" filter="url(#fxpvnq5f0ubws)" points="438.25,667.6875,560.25,667.6875,572.25,680.4922,560.25,693.2969,438.25,693.2969,426.25,680.4922,438.25,667.6875" style="stroke: #A80036; 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stroke-width: 1.0;"/><!--MD5=[fe0afca51ebd473d286847938fa2571b]
 @startuml
 
 title **µRtWare**\nurtTopicInit()\n
@@ -13,27 +13,28 @@ note
   ====
   - - **return** : urt_status_t - -
   Returns ""URT_STATUS_OK"" on success.
-  Returns ""URT_STATUS_ERROR"" if another topic with the same identifier already exists.
+  Returns ""URT_STATUS_TOPIC_DUPLICATE"" if another topic with the same identifier already exists.
 endnote
 
 
 start
 :initialize members;
 note
-  **next** ← ""NULL""
-  **id** ← id
-  urtMutexInit(**lock**)
-  urtEventSourceInit(**evtSource**)
-  **numHrtSubscriber** ← 0
-  **hrtSubscribers** ← ""NULL""
-  urtCondvarInit(**hrtReleased**)
-  urtMessageInit(**mandatoryMessage**)
-  **latestMessage** ← &mandatoryMessage
+  * **next** ← ""NULL""
+  * **id** ← id
+  * urtMutexInit(**lock**)
+  * urtEventSourceInit(**evtSource**)
+  * **numHrtSubscriber** ← 0
+  * urtCondvarInit(**hrtReleased**)
+  * urtMessageInit(**mandatoryMessage**)
+  * **latestMessage** ← &mandatoryMessage
   .. URT_CFG_PUBSUB_QOS_RATECHECKS == true ..
-  urtTimerInit(**qosRateTimer**)
+  * **hrtSubscribers** ← ""NULL""
+  * urtTimerInit(**qosRateTimer**)
   .. URT_CFG_PUBSUB_PROFILING == true ..
-  **numDiscardedMessages** ← 0
-  **numSubscribers** ← 0
+  * **numMessagesPublished** ← 0
+  * **numMessagesDiscarded** ← 0
+  * **numSubscribers** ← 0
 endnote
 :close circular message buffer;
 note
@@ -62,7 +63,7 @@ else (no)
   :unlock core;
   stop
   note
-    Returns ""URT_STATUS_ERROR"".
+    Returns ""URT_STATUS_TOPIC_DUPLICATE"".
   endnote
 endif
 
