usrsmobj.html

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<html><head><!-- /vobs/wpwr/docs/vxworks/ref/usrSmObj.html - generated by refgen from /vobs/wpwr/target/src/config/usrSmObj.c --> <title> usrSmObj </title></head><body bgcolor="#FFFFFF"> <hr><a name="top"></a><p align=right><a href="libIndex.html"><i>VxWorks Reference Manual :  Libraries</i></a></p></blockquote><h1>usrSmObj</h1> <blockquote></a></blockquote><h4>NAME</h4><blockquote>  <p><strong>usrSmObj</strong> - shared memory object initialization </p></blockquote><h4>ROUTINES</h4><blockquote><p><p><b><i><a href="./usrSmObj.html#usrSmObjInit">usrSmObjInit</a></i>(&nbsp;)</b>  -  initialize shared memory objects<br><hr><a name="usrSmObjInit"></a><p align=right><a href="rtnIndex.html"><i>Libraries :  Routines</i></a></p></blockquote><h1><i>usrSmObjInit</i>(&nbsp;)</h1> <blockquote></a></blockquote><h4>NAME</h4><blockquote>  <p><strong><i>usrSmObjInit</i>(&nbsp;)</strong> - initialize shared memory objects</p></blockquote><h4>SYNOPSIS</h4><blockquote><p><pre>STATUS usrSmObjInit    (    char * bootString /* boot parameter string */    )</pre></blockquote><h4>DESCRIPTION</h4><blockquote><p>This routine initializes the shared memory objects facility.  It sets upthe shared memory objects facility if called from processor 0.Then it initializes a shared memory descriptor and calls <b><i><a href="./smObjLib.html#smObjAttach">smObjAttach</a></i>(&nbsp;)</b>to attach this CPU to the shared memory object facility.<p>When the shared memory pool resides on the local CPU dual ported memory,<b>SM_OBJ_MEM_ADRS</b> must be set to NONE in <b>configAll.h</b> and the shared memoryobjects pool is allocated from the VxWorks system pool.<p></blockquote><h4>NOTE</h4><blockquote><p>The shared memory objects library requires information from fields in theVxWorks boot line.  The functions are contained in the <b>usrNetwork.c</b> file. If no network services are included, <b>usrNetwork.c</b> is not included and theshared memory initialization fails.  To avoid this problem, eitheradd <b>INCLUDE_NETWORK</b> to <b>configAll.h</b> or extract the bootline cracking routinesfrom <b>usrNetwork.c</b> and include them elsewhere.<p></blockquote><h4>RETURNS</h4><blockquote><p>OK, or ERROR if unsuccessful.<p></blockquote><h4>SEE ALSO</h4><blockquote><p><b><a href="./usrSmObj.html#top">usrSmObj</a></b></body></html>

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