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urtware / doc / activitydiagrams / request / srtrequest / urtSrtRequestAcquire.svg @ 17d978fe

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1 2d315870 Thomas Schöpping
<?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="421px" preserveAspectRatio="none" style="width:782px;height:421px;" version="1.1" viewBox="0 0 782 421" width="782px" zoomAndPan="magnify"><defs><filter height="300%" id="fwonkd6co71fx" 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="345.75" y="26.708">µRtWare</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="205" x="287.75" y="47.6611">urtSrtRequestAcquire()</text><text fill="#000000" font-family="sans-serif" font-size="18" lengthAdjust="spacingAndGlyphs" textLength="0" x="393.25" y="68.6143"/><path d="M189.5,72.8594 L189.5,183.6563 L770.5,183.6563 L770.5,82.8594 L760.5,72.8594 L189.5,72.8594 " fill="#FBFB77" filter="url(#fwonkd6co71fx)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M760.5,72.8594 L760.5,82.8594 L770.5,82.8594 L760.5,72.8594 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="189.5" x2="386.5" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="390.5" y="89.4263"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="57" x="390.5" y="89.4263">request</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="118" x="451.5" y="89.4263">: urt_srtrequest_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="573.5" x2="770.5" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="204" x="195.5" y="105.0591">The SRT request to be acquired.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="76" x="195.5" y="120.1919">Must not be</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="32" x="275.5" y="120.1919">NULL</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="4" x="307.5" y="120.1919">.</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="189.5" x2="770.5" y1="128.2578" y2="128.2578"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="189.5" x2="770.5" y1="130.2578" y2="130.2578"/><line style="stroke: #A80036; stroke-width: 1.0;" x1="189.5" x2="409" y1="140.8242" y2="140.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="413" y="144.8247"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="45" x="413" y="144.8247">return</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="85" x="462" y="144.8247">: urt_status_t</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="551" x2="770.5" y1="140.8242" y2="140.8242"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="195.5" y="160.4575">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="104" x="248.5" y="160.4575">URT_STATUS_OK</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="120" x="356.5" y="160.4575">in case of success.</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="49" x="195.5" y="175.5903">Returns</text><text fill="#000000" font-family="monospace" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="216" x="248.5" y="175.5903">URT_STATUS_REQUEST_BADOWNER</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="287" x="468.5" y="175.5903">if the request is aloready owned by a service.</text><ellipse cx="480" cy="213.6563" fill="#000000" filter="url(#fwonkd6co71fx)" rx="10" ry="10" style="stroke: none; stroke-width: 1.0;"/><path d="M122,248.0742 L122,273.207 A0,0 0 0 0 122,273.207 L411,273.207 A0,0 0 0 0 411,273.207 L411,266.0742 L431,260.6406 L411,258.0742 L411,258.0742 L401,248.0742 L122,248.0742 A0,0 0 0 0 122,248.0742 " fill="#FBFB77" filter="url(#fwonkd6co71fx)" style="stroke: #A80036; stroke-width: 1.0;"/><path d="M401,248.0742 L401,258.0742 L411,258.0742 L401,248.0742 " fill="#FBFB77" style="stroke: #A80036; stroke-width: 1.0;"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="268" x="128" y="265.1411">Execution is blocked until mutex is locked.</text><rect fill="#FEFECE" filter="url(#fwonkd6co71fx)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="98" x="431" y="243.6563"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="78" x="441" y="264.7949">lock request</text><polygon fill="#FEFECE" filter="url(#fwonkd6co71fx)" points="390,297.625,570,297.625,582,309.625,570,321.625,390,321.625,378,309.625,390,297.625" style="stroke: #A80036; stroke-width: 1.5;"/><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="180" x="390" y="313.4331">Request is owned by a service?</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="20" x="358" y="307.0308">yes</text><text fill="#000000" font-family="sans-serif" font-size="11" lengthAdjust="spacingAndGlyphs" textLength="14" x="582" y="307.0308">no</text><rect fill="#FEFECE" filter="url(#fwonkd6co71fx)" height="33.9688" rx="12.5" ry="12.5" style="stroke: #A80036; stroke-width: 1.5;" width="114" x="278" y="331.625"/><text fill="#000000" font-family="sans-serif" font-size="12" lengthAdjust="spacingAndGlyphs" textLength="94" x="288" y="352.7637">unlock request</text><path d="M10,384.0273 L10,409.1602 A0,0 0 0 0 10,409.1602 L304,409.1602 A0,0 0 0 0 304,409.1602 L304,402.0273 L324,396.5938 L304,394.0273 L304,394.0273 L294,384.0273 L10,384.0273 A0,0 0 0 0 10,384.0273 " fill="#FBFB77" filter="url(#fwonkd6co71fx)" style="stroke: #A80036; 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@startuml
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title **µRtWare**\nurtSrtRequestAcquire()\n
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note
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  - - **request** : urt_srtrequest_t* - -
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  The SRT request to be acquired.
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  Must not be ""NULL"".
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  ====
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  - - **return** : urt_status_t - -
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  Returns ""URT_STATUS_OK"" in case of success.
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  Returns ""URT_STATUS_REQUEST_BADOWNER"" if the request is aloready owned by a service.
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endnote
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  start
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  :lock request;
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  note
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    Execution is blocked until mutex is locked.
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  endnote
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  if (Request is owned by a service?) then (yes)
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    :unlock request;
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    stop
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    note
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      Returns ""URT_STATUS_REQUEST_BADOWNER"".
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    endnote
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  else (no)
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    stop
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    note
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      Returns ""URT_STATUS_OK"".
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    endnote
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  endif
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@enduml
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PlantUML version 1.2020.00(Sat Jan 11 13:30:53 CET 2020)
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(GPL source distribution)
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Java Runtime: OpenJDK Runtime Environment
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JVM: OpenJDK 64-Bit Server VM
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Java Version: 11.0.7+10-post-Ubuntu-2ubuntu218.04
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Operating System: Linux
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Default Encoding: UTF-8
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Language: en
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Country: US
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--></g></svg>