12 <concept id="GUID-E21287EF-7211-590B-A1E3-E0B37069FCB2" xml:lang="en"><title>POSIX Realtime Extensions</title><prolog><metadata><keywords/></metadata></prolog><conbody><p>POSIX real-time extensions (based on <xref scope="external" href="http://en.wikipedia.org/wiki/POSIX">POSIX 1003.1b</xref>) define extensions such as timers, priority scheduling, real-time signals, semaphores, memory queues, shared memory and memory locking that are useful for development of real-time systems. Extensions such as, timers and shared memory are supported by the <xref scope="external" href="http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/librt.html">Librt library</xref>, which conforms to the Linux Standard Base (LSB) 3.1 Specification. Symbian platform supports the Librt library, which enables Symbian Developers to port Librt-based applications to Symbian platform quickly and easily.</p> </conbody></concept>

    12 <concept id="GUID-E21287EF-7211-590B-A1E3-E0B37069FCB2" xml:lang="en"><title>POSIX Realtime

    13 Extensions</title><prolog><metadata><keywords/></metadata></prolog><conbody>

    14 <p>POSIX real-time extensions (based on <xref href="http://en.wikipedia.org/wiki/POSIX" scope="external">POSIX 1003.1b</xref>) define extensions such as timers, priority

    15 scheduling, real-time signals, semaphores, memory queues, shared memory and

    16 memory locking that are useful for development of real-time systems. Extensions

    17 such as, timers and shared memory are supported by the <xref href="http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/librt.html" scope="external">Librt library</xref>, which conforms to the Linux Standard

    18 Base (LSB) 3.1 Specification. The Symbian platform supports the Librt library,

    19 which enables Symbian Developers to port Librt-based applications onto the

    20 Symbian platform quickly and easily.</p>

    21 </conbody></concept>