1 <?xml version="1.0" encoding="utf-8"?>

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     7     Nokia Corporation - initial contribution.

     8 Contributors: 

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    10 <!DOCTYPE concept

    11   PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">

    12 <concept id="GUID-6752A77F-B1D1-49BE-A672-5DDE3B7976BF" xml:lang="en"><title>Other

    13 Synchronisation APIs</title><shortdesc>This document describes APIs other than the nanokernel which device

    14 drivers use for synchronisation.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>

    15 <p>The Kernel provides APIs to wait in blocked state, unblocked state, and

    16 nanokernel APIs to get the tick period, timer ticks, to sleep on nanothread,

    17 and so on. </p>

    18 <codeblock id="GUID-E70B072C-6CE9-572C-BF74-C7F4EE812CBF" xml:space="preserve">// Wait for a length of time specified in nanoseconds

    19 // This is a blocking call, and is not generally recommended

    20 // to be used. It should be used only for very short periods.

    21 //

    22 Kern::NanoWait(TUint32 aInterval);

    23  

    24 // This API polls at specified regular intervals, for a

    25 // specified number of attempts. A function implementing the polling

    26 // operation is called at these intervals. This does not block the 

    27 // thread. The poll period is in milliseconds.

    28 // 

    29 TInt Kern:: PollingWait(TPollFunction aFunction, TAny *aPtr, 

    30                 TInt aPollPeriodMs, TInt aMaxPoll);

    31 </codeblock>

    32 </conbody></concept>