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<hr><h1>PVActiveBase Class Reference<br>
<small>
[<a class="el" href="group__osclproc.html">OSCL Proc</a>]</small>
</h1><code>#include <<a class="el" href="oscl__scheduler__aobase_8h-source.html">oscl_scheduler_aobase.h</a>></code>
<p>
<p>Inheritance diagram for PVActiveBase:
<p><center><img src="classPVActiveBase.png" usemap="#PVActiveBase_map" border="0" alt=""></center>
<map name="PVActiveBase_map">
<area href="classOsclActiveObject.html" alt="OsclActiveObject" shape="rect" coords="0,56,145,80">
<area href="classOsclTimerObject.html" alt="OsclTimerObject" shape="rect" coords="310,56,455,80">
<area href="classOsclAsyncFile.html" alt="OsclAsyncFile" shape="rect" coords="155,112,300,136">
<area href="classOsclDNSRequestAO.html" alt="OsclDNSRequestAO" shape="rect" coords="155,168,300,192">
<area href="classOsclSocketRequestAO.html" alt="OsclSocketRequestAO" shape="rect" coords="155,224,300,248">
<area href="classPVSchedulerStopper.html" alt="PVSchedulerStopper" shape="rect" coords="155,280,300,304">
<area href="classCallbackTimer.html" alt="CallbackTimer< Alloc >" shape="rect" coords="465,112,610,136">
<area href="classOsclDNSMethod.html" alt="OsclDNSMethod" shape="rect" coords="465,168,610,192">
<area href="classOsclSocketMethod.html" alt="OsclSocketMethod" shape="rect" coords="465,224,610,248">
<area href="classOsclSocketServI.html" alt="OsclSocketServI" shape="rect" coords="465,280,610,304">
</map>
<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a0">PVActiveBase</a> (const char name[], int32 pri)</td></tr>
<tr><td nowrap align=right valign=top>virtual </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a1">~PVActiveBase</a> ()</td></tr>
<tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a2">IsInAnyQ</a> ()</td></tr>
<tr><td nowrap align=right valign=top>virtual int32 </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a3">RunError</a> (int32 aError)=0</td></tr>
<tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a4">Run</a> ()=0</td></tr>
<tr><td nowrap align=right valign=top>virtual void </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a5">DoCancel</a> ()=0</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a6">AddToScheduler</a> ()</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a7">RemoveFromScheduler</a> ()</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a8">Destroy</a> ()</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a9">Activate</a> ()</td></tr>
<tr><td nowrap align=right valign=top>OSCL_IMPORT_REF bool </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a10">IsAdded</a> () const</td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classPVActiveBase.html#a11">Cancel</a> ()</td></tr>
<tr><td colspan=2><br><h2>Data Fields</h2></td></tr>
<tr><td nowrap align=right valign=top>uint32 </td><td valign=bottom><a class="el" href="classPVActiveBase.html#m0">iAddedNum</a></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="classOsclNameString.html">OsclNameString</a>< PVEXECNAMELEN > </td><td valign=bottom><a class="el" href="classPVActiveBase.html#m1">iName</a></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="classPVThreadContext.html">PVThreadContext</a> </td><td valign=bottom><a class="el" href="classPVActiveBase.html#m2">iThreadContext</a></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="classPVActiveStats.html">PVActiveStats</a> * </td><td valign=bottom><a class="el" href="classPVActiveBase.html#m3">iPVActiveStats</a></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="classTReadyQueLink.html">TReadyQueLink</a> </td><td valign=bottom><a class="el" href="classPVActiveBase.html#m4">iPVReadyQLink</a></td></tr>
<tr><td nowrap align=right valign=top>bool </td><td valign=bottom><a class="el" href="classPVActiveBase.html#m5">iBusy</a></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="classOsclAOStatus.html">OsclAOStatus</a> </td><td valign=bottom><a class="el" href="classPVActiveBase.html#m6">iStatus</a></td></tr>
<tr><td colspan=2><br><h2>Friends</h2></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l0">PVActiveStats</a></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l1">OsclSchedulerCommonBase</a></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l2">OsclActiveObject</a></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l3">OsclTimerObject</a></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l4">OsclReadyQ</a></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l5">OsclReadyCompare</a></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l6">OsclReadySetPosition</a></td></tr>
<tr><td nowrap align=right valign=top>class </td><td valign=bottom><a class="el" href="classPVActiveBase.html#l7">OsclExecScheduler</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
PV Scheduler internal AO base class. Both <a class="el" href="classOsclActiveObject.html">OsclActiveObject</a> and <a class="el" href="classOsclTimerObject.html">OsclTimerObject</a> derive from this class. For Symbian, this just container has the desired additions to the basic CTimer or OsclActiveObj functionality. For non-Symbian, this class contains the entire AO implementation.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a name="a0" doxytag="PVActiveBase::PVActiveBase"></a><p>
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<td class="md" nowrap valign="top"> PVActiveBase::PVActiveBase </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const char </td>
<td class="mdname" nowrap> <em>name</em>[], </td>
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<td></td>
<td></td>
<td class="md" nowrap>int32 </td>
<td class="mdname" nowrap> <em>pri</em></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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<a name="a1" doxytag="PVActiveBase::~PVActiveBase"></a><p>
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<td class="md">
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<td class="md" nowrap valign="top"> virtual PVActiveBase::~PVActiveBase </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [virtual]</code></td>
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<hr><h2>Member Function Documentation</h2>
<a name="a9" doxytag="PVActiveBase::Activate"></a><p>
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<td class="md" nowrap valign="top"> void PVActiveBase::Activate </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap></td>
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<a name="a6" doxytag="PVActiveBase::AddToScheduler"></a><p>
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<td class="md" nowrap valign="top"> void PVActiveBase::AddToScheduler </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap></td>
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<p>
<p>
Reimplemented in <a class="el" href="classOsclActiveObject.html#a6">OsclActiveObject</a>, and <a class="el" href="classOsclTimerObject.html#a2">OsclTimerObject</a>. </td>
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<a name="a11" doxytag="PVActiveBase::Cancel"></a><p>
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<td class="md" nowrap valign="top"> void PVActiveBase::Cancel </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap></td>
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<p>
<p>
Reimplemented in <a class="el" href="classOsclActiveObject.html#a9">OsclActiveObject</a>, and <a class="el" href="classOsclTimerObject.html#a8">OsclTimerObject</a>. </td>
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<a name="a8" doxytag="PVActiveBase::Destroy"></a><p>
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<td class="md" nowrap valign="top"> void PVActiveBase::Destroy </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap></td>
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<a name="a5" doxytag="PVActiveBase::DoCancel"></a><p>
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<td class="md" nowrap valign="top"> virtual void PVActiveBase::DoCancel </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [pure virtual]</code></td>
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<p>
Implements cancellation of an outstanding request.
<p>
This function is called as part of the active object's <a class="el" href="classPVActiveBase.html#a11">Cancel()</a>.
<p>
It must call the appropriate cancel function offered by the active object's asynchronous service provider. The asynchronous service provider's cancel is expected to act immediately.
<p>
<a class="el" href="classPVActiveBase.html#a5">DoCancel()</a> must not wait for event completion; this is handled by <a class="el" href="classPVActiveBase.html#a11">Cancel()</a>.
<p>
Implemented in <a class="el" href="classOsclDNSRequestAO.html#b7">OsclDNSRequestAO</a>, <a class="el" href="classOsclSocketRequestAO.html#b7">OsclSocketRequestAO</a>, <a class="el" href="classOsclActiveObject.html#b0">OsclActiveObject</a>, and <a class="el" href="classOsclTimerObject.html#b0">OsclTimerObject</a>. </td>
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<a name="a10" doxytag="PVActiveBase::IsAdded"></a><p>
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<td class="md" nowrap valign="top"> OSCL_IMPORT_REF bool PVActiveBase::IsAdded </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap></td>
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<a name="a2" doxytag="PVActiveBase::IsInAnyQ"></a><p>
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<td class="md" nowrap valign="top"> bool PVActiveBase::IsInAnyQ </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [inline]</code></td>
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<a name="a7" doxytag="PVActiveBase::RemoveFromScheduler"></a><p>
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<td class="md" nowrap valign="top"> void PVActiveBase::RemoveFromScheduler </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap></td>
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<p>
<p>
Reimplemented in <a class="el" href="classOsclActiveObject.html#a7">OsclActiveObject</a>, and <a class="el" href="classOsclTimerObject.html#a3">OsclTimerObject</a>. </td>
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<a name="a4" doxytag="PVActiveBase::Run"></a><p>
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<td class="md" nowrap valign="top"> virtual void PVActiveBase::Run </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [pure virtual]</code></td>
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<p>
Handles an active object's request completion event.
<p>
A derived class must provide an implementation to handle the completed request. If appropriate, it may issue another request.
<p>
The function is called by the active scheduler when a request completion event occurs, i.e. after the active scheduler's WaitForAnyRequest() function completes.
<p>
Before calling this active object's <a class="el" href="classPVActiveBase.html#a4">Run()</a> function, the active scheduler has:
<p>
1. decided that this is the highest priority active object with a completed request
<p>
2. marked this active object's request as complete (i.e. the request is no longer outstanding)
<p>
<a class="el" href="classPVActiveBase.html#a4">Run()</a> runs under a trap harness in the active scheduler. If it leaves, then the active scheduler calls ExecError() to handle the leave.
<p>
Note that once the active scheduler's Start() function has been called, all user code is run under one of the program's active object's <a class="el" href="classPVActiveBase.html#a4">Run()</a> or <a class="el" href="classPVActiveBase.html#a3">RunError()</a> functions.
<p>
Implemented in <a class="el" href="classOsclDNSMethod.html#a4">OsclDNSMethod</a>, <a class="el" href="classOsclDNSRequestAO.html#b8">OsclDNSRequestAO</a>, <a class="el" href="classOsclSocketMethod.html#b3">OsclSocketMethod</a>, <a class="el" href="classOsclSocketRequestAO.html#b8">OsclSocketRequestAO</a>, and <a class="el" href="classCallbackTimer.html#a2">CallbackTimer< Alloc ></a>. </td>
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<a name="a3" doxytag="PVActiveBase::RunError"></a><p>
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<td class="md" nowrap valign="top"> virtual int32 PVActiveBase::RunError </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int32 </td>
<td class="mdname1" valign="top" nowrap> <em>aError</em> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [pure virtual]</code></td>
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<p>
Virtual routine that gets called if the active object's Run routine leaves. <dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>aError:</em> </td><td>
the leave code generated by the Run. </td></tr>
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</dl><dl compact><dt><b>Returns: </b></dt><dd>
:returns OsclErrNone if the error was handled, or returns the input aError value if not handled. </dl>
<p>
Implemented in <a class="el" href="classOsclActiveObject.html#b1">OsclActiveObject</a>, and <a class="el" href="classOsclTimerObject.html#b1">OsclTimerObject</a>. </td>
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<hr><h2>Friends And Related Function Documentation</h2>
<a name="l2" doxytag="PVActiveBase::OsclActiveObject"></a><p>
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<td class="md" nowrap valign="top"> friend class OsclActiveObject<code> [friend]</code>
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<a name="l7" doxytag="PVActiveBase::OsclExecScheduler"></a><p>
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<td class="md" nowrap valign="top"> friend class OsclExecScheduler<code> [friend]</code>
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<a name="l5" doxytag="PVActiveBase::OsclReadyCompare"></a><p>
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<td class="md" nowrap valign="top"> friend class OsclReadyCompare<code> [friend]</code>
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<a name="l4" doxytag="PVActiveBase::OsclReadyQ"></a><p>
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<td class="md" nowrap valign="top"> friend class OsclReadyQ<code> [friend]</code>
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<a name="l6" doxytag="PVActiveBase::OsclReadySetPosition"></a><p>
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<td class="md" nowrap valign="top"> friend class OsclReadySetPosition<code> [friend]</code>
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<a name="l1" doxytag="PVActiveBase::OsclSchedulerCommonBase"></a><p>
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<td class="md" nowrap valign="top"> friend class OsclSchedulerCommonBase<code> [friend]</code>
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<a name="l3" doxytag="PVActiveBase::OsclTimerObject"></a><p>
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<td class="md" nowrap valign="top"> friend class OsclTimerObject<code> [friend]</code>
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<a name="l0" doxytag="PVActiveBase::PVActiveStats"></a><p>
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<td class="md" nowrap valign="top"> friend class PVActiveStats<code> [friend]</code>
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<hr><h2>Field Documentation</h2>
<a name="m0" doxytag="PVActiveBase::iAddedNum"></a><p>
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<td class="md" nowrap valign="top"> uint32 PVActiveBase::iAddedNum
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<a name="m5" doxytag="PVActiveBase::iBusy"></a><p>
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<td class="md" nowrap valign="top"> bool PVActiveBase::iBusy
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<a name="m1" doxytag="PVActiveBase::iName"></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classOsclNameString.html">OsclNameString</a><PVEXECNAMELEN> PVActiveBase::iName
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<a name="m3" doxytag="PVActiveBase::iPVActiveStats"></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classPVActiveStats.html">PVActiveStats</a>* PVActiveBase::iPVActiveStats
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<a name="m4" doxytag="PVActiveBase::iPVReadyQLink"></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classTReadyQueLink.html">TReadyQueLink</a> PVActiveBase::iPVReadyQLink
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<a name="m6" doxytag="PVActiveBase::iStatus"></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classOsclAOStatus.html">OsclAOStatus</a> PVActiveBase::iStatus
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The request status associated with an asynchronous request.
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This is passed as a parameter to all asynchronous service providers.
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The active scheduler uses this to check whether the active object's request has completed.
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The function can use the completion code to judge the success or otherwise of the request.
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Request status contains one of the values OSCL_REQUEST_ERR_NONE: request completed with no error, or request is not active. OSCL_REQUEST_PENDING: request is active & pending OSCL_REQUEST_ERR_CANCEL: request was canceled before completion. or any user-defined value. </td>
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<a name="m2" doxytag="PVActiveBase::iThreadContext"></a><p>
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<td class="md" nowrap valign="top"> <a class="el" href="classPVThreadContext.html">PVThreadContext</a> PVActiveBase::iThreadContext
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="oscl__scheduler__aobase_8h-source.html">oscl_scheduler_aobase.h</a></ul>
<hr size="1"><img src="pvlogo_small.jpg"><address style="align: right;"><small>OSCL API</small>
<address style="align: left;"><small>Posting Version: OPENCORE_20090310 </small>
</small></address>
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