AMiRo-OS

<?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="892px" preserveAspectRatio="none" style="width:2374px;height:892px;" version="1.1" viewBox="0 0 2374 892" width="2374px" zoomAndPan="magnify"><defs><filter height="300%" id="f1hh0wf4esd6mf" 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="1141.5" y="26.708">µRtWare</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="247" x="1062.5" y="47.6611">urtNrtSubscriberSubscribe()</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="0" x="1189" y="68.6143"/><path d="M525.25,72.8594 L525.25,304.7188 L1039.25,304.7188 L1039.25,82.8594 L1029.25,72.8594 L525.25,72.8594 " fill="#FBFB77" filter="url(#f1hh0wf4esd6mf)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M1029.25,72.8594 L1029.25,82.8594 L1039.25,82.8594 L1029.25,72.8594 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="525.25" x2="669.25" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="673.25" y="89.4263"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="78" x="673.25" y="89.4263">subscriber</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="136" x="755.25" y="89.4263">: urt_nrtsubscriber_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="895.25" x2="1039.25" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="327" x="531.25" y="105.0591">The NRT subscriber which shall subscribe to a topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="531.25" y="120.1919">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="611.25" y="120.1919">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="643.25" y="120.1919">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="525.25" x2="716.25" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="720.25" y="134.8247"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="37" x="720.25" y="134.8247">topic</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="83" x="761.25" y="134.8247">: urt_topic_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="848.25" x2="1039.25" y1="130.8242" y2="130.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="161" x="531.25" y="150.4575">The topic to subscribe to.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="531.25" y="165.5903">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="611.25" y="165.5903">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="643.25" y="165.5903">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="525.25" x2="683.25" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="687.25" y="180.2231"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="75" x="687.25" y="180.2231">messages</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="111" x="766.25" y="180.2231">: urt_message_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="881.25" x2="1039.25" y1="176.2227" y2="176.2227"/><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="531.25" y="195.856">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="346" x="567.25" y="195.856">terminated list of messages to contribute to the topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="329" x="531.25" y="210.9888">Messages must not be associated to another topic.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="430" x="531.25" y="226.1216">Once a message has been contributed, it cannot be removed later.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="46" x="531.25" y="241.2544">May be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="581.25" y="241.2544">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="186" x="617.25" y="241.2544">(no messages to contribute).</text><line style="stroke: #A80036; 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stroke-width: 1.0;"/><polygon fill="#FEFECE" filter="url(#f1hh0wf4esd6mf)" points="724.75,364.7188,839.75,364.7188,851.75,376.7188,839.75,388.7188,724.75,388.7188,712.75,376.7188,724.75,364.7188" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="115" x="724.75" y="380.5269">Is topic already set?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="692.75" y="374.1245">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="851.75" y="374.1245">no</text><path d="M10,398.7188 L10,423.8516 A0,0 0 0 0 10,423.8516 L216,423.8516 A0,0 0 0 0 216,423.8516 L216,416.7188 L236,411.2852 L216,408.7188 L216,408.7188 L206,398.7188 L10,398.7188 A0,0 0 0 0 10,398.7188 " fill="#FBFB77" filter="url(#f1hh0wf4esd6mf)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M206,398.7188 L206,408.7188 L216,408.7188 L206,398.7188 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="16" y="415.7856">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="128" x="69" y="415.7856">URT_STATUS_ERROR</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="197" y="415.7856">.</text><ellipse cx="247" cy="411.2852" fill="#FFFFFF" filter="url(#f1hh0wf4esd6mf)" rx="11" ry="11" style="stroke: #000000; stroke-width: 1.0;"/><ellipse cx="247" cy="411.2852" fill="#000000" rx="6" ry="6" style="stroke: #7F7F7F; stroke-width: 1.0;"/><rect fill="#FEFECE" filter="url(#f1hh0wf4esd6mf)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="75" x="1302" y="398.7188"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="55" x="1312" y="419.8574">set topic</text><rect fill="#FEFECE" filter="url(#f1hh0wf4esd6mf)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; 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@startuml

title **µRtWare**\nurtNrtSubscriberSubscribe()\n

note

  - - **subscriber** : urt_nrtsubscriber_t* - -

  The NRT subscriber which shall subscribe to a topic.

  Must not be ""NULL"".

  - - **topic** : urt_topic_t* - -

  The topic to subscribe to.

  Must not be ""NULL"".

  - - **messages** : urt_message_t* - -

  ""NULL"" terminated list of messages to contribute to the topic.

  Messages must not be associated to another topic.

  Once a message has been contributed, it cannot be removed later.

  May be ""NULL"" (no messages to contribute).

  ====

  - - **return** : urt_status_t - -

  Returns ""URT_STATUS_OK"" on success.

  Returns ""URT_STATUS_ERROR"" if the subscriber is already associated to a topic.

endnote

start

if (Is topic already set?) then (yes)

  stop

  note

    Returns ""URT_STATUS_ERROR"".

  endnote

else (no)

  :set topic;

  :lock topic;

  fork

    if (Messages to contribute?) then (yes)

        partition "contribute messages" {

    fork

      :set next pointer of topic's latest message to first message to contribute;

    fork again

      :set next pointer of last message to contribute to the message after the topic's latest message;

    endfork

  }

    else (no)

    endif

  fork again

    fork

      :set message pointer to topic's latest message;

    fork again

      :copy timestamp from topic's latest message;

    endfork

  fork again

    :register to topic's event source;

  endfork

  :unlock topic;

  stop

  note

    Returns ""URT_STATUS_OK"".

  endnote

endif

@enduml

PlantUML version 1.2020.00(Sat Jan 11 13:30:53 CET 2020)

(GPL source distribution)

Java Runtime: OpenJDK Runtime Environment

JVM: OpenJDK 64-Bit Server VM

Java Version: 11.0.6+10-post-Ubuntu-1ubuntu118.04.1

Operating System: Linux

Default Encoding: UTF-8

Language: en

Country: US

--></g></svg>