urtware / doc / activitydiagrams / request / hrtrequest / urtHrtRequestAcquire.svg @ 6c5df8c1
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<?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="f1e0w1sy8rsxn8" 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="208" x="286.25" y="47.6611">urtHrtRequestAcquire()</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(#f1e0w1sy8rsxn8)" 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" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="0" x="390" y="89.4263"/><text fill="#000000" font-family="sans-serif" font-size="13" font-weight="bold" lengthAdjust="spacingAndGlyphs" textLength="57" x="390" y="89.4263">request</text><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="119" x="451" y="89.4263">: urt_hrtrequest_t*</text><line style="stroke: #A80036; stroke-width: 1.0;" x1="574" x2="770.5" y1="85.4258" y2="85.4258"/><text fill="#000000" font-family="sans-serif" font-size="13" lengthAdjust="spacingAndGlyphs" textLength="205" x="195.5" y="105.0591">The HRT 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(#f1e0w1sy8rsxn8)" 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(#f1e0w1sy8rsxn8)" 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(#f1e0w1sy8rsxn8)" 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(#f1e0w1sy8rsxn8)" 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; 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@startuml |
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title **µRtWare**\nurtHrtRequestAcquire()\n |
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note |
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- - **request** : urt_hrtrequest_t* - - |
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The HRT 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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|
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|
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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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|
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@enduml |
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|
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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> |