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Apache Portable Runtime
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<h2 id="functionality">Functionality</h2> <p>The range of platform-independent functionality provided by APR includes: <a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> </p> <ul><li><a href="/facts/Memory_allocation/vthLkUpz">Memory allocation</a> and <a href="/facts/Memory_pool/bw3HfK8q">memory pool</a> functionality</li> <li><a href="/facts/Atomic_operations/u3pnNCvs">Atomic operations</a></li> <li>Dynamic <a href="/facts/Library_(computer_science)/xRzL3P7q">library</a> handling</li> <li>File <a href="/facts/I%2fO/WQTE8Jas">I/O</a></li> <li>Command-argument parsing</li> <li><a href="/facts/Lock_(computer_science)/e3a9gnJT">Locking</a></li> <li><a href="/facts/Hash_table/Ht4ptDPF">Hash tables</a> and <a href="/facts/Array_data_structure/BKGvF8AM">arrays</a></li> <li><a href="/facts/Mmap/QCtfjG5u">Mmap</a> functionality</li> <li><a href="/facts/Berkeley_sockets/edRVDP8C">Network sockets</a> and protocols</li> <li><a href="/facts/Thread_(computer_science)/hh8WHyPd">Thread</a>, <a href="/facts/Process_(computing)/Vcq7EnUV">process</a> and <a href="/facts/Mutual_exclusion/1dwvCxDW">mutex</a> functionality</li> <li><a href="/facts/Shared_memory_(interprocess_communication)/zmpH7WuV">Shared memory</a> functionality</li> <li><a href="/facts/Skip_list/fF200SJg">Skip list</a> functionality</li> <li>Time routines</li> <li>User and group ID services</li></ul> <h2 id="similar-projects">Similar projects</h2> <ul><li><a href="/facts/GLib/s3a6avhy">GLib</a> – provides similar functionality. It supports many more data structures and OS-independent functions, but fewer <a href="/facts/Inter-process_communication/cIQYyT6y">IPC</a>-related functions. (GLib lacks local and global locking and shared-memory management.)</li> <li><a href="/facts/Netscape_Portable_Runtime/TKozamWv">Netscape Portable Runtime</a> (NSPR) is a cross-platform abstraction library used by the <a href="/facts/Mozilla/FevL9Itn">Mozilla</a> project. It is used by another subproject of <a href="/facts/Mozilla_application_framework/dePhIuej">Mozilla application framework</a> (XPFE) to provide cross-platform <a href="/facts/Graphical_user_interface/wBlQFWDP">graphical user interface</a> (GUI) functionality.</li> <li><a href="/facts/Adaptive_Communication_Environment/xazmrAEK">Adaptive Communication Environment</a> (ACE) is an object-oriented library written in C++ similar in functionality to APR. It is widely deployed in commercial products.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></li> <li><a href="https://web.archive.org/web/20110323034144/http://www.hyperrealm.com/main.php?s=commoncpp">commonc++</a> is a cross-platform C++ class library for systems programming, with much of the same functionality as APR.</li> <li><a href="/facts/POCO_C%252B%252B_Libraries/soekN5d9">POCO</a> is a modern C++ framework similar in concept but more extensive than APR.</li> <li><a href="/facts/WxWidgets/TQvpa4Pl">wxWidgets</a> is an object-oriented cross-platform GUI library that also provides abstraction classes for database communication, <a href="/facts/Inter-process_communication/cIQYyT6y">IPC</a> and networking functionality.</li> <li><a href="/facts/KDE_Frameworks/fuAzewMT">KDE Frameworks</a> – used by <a href="/facts/KDE_SC/m2RkR89F">KDE SC</a></li></ul> <h2 id="external-links">External links</h2> Wikibooks has a book on the topic of: <i>Apache Portable Runtime</i> <ul><li><a href="https://apr.apache.org/">Official website</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Stable Apache Release Hits, Sean Michael Kerner, 2 December 2005, "Apache Portable Runtime (APR) 1.0 API, which provides libraries that interface between the underlying operating system and the server." <a href="http://www.internetnews.com/dev-news/article.php/3568241/Stable+Apache+Release+Hits.htm" target="_blank">http://www.internetnews.com/dev-news/article.php/3568241/Stable+Apache+Release+Hits.htm</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Apache Portable Runtime modules". Apache. Retrieved 23 September 2023. <a href="https://apr.apache.org/docs/apr/1.7/modules.html" target="_blank">https://apr.apache.org/docs/apr/1.7/modules.html</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"ACE and TAO Success Stories". Archived from the original on 29 August 2008. Retrieved 2008-07-31. <a href="https://web.archive.org/web/20080829164836/http://www.cs.wustl.edu/~schmidt/ACE-users.html" target="_blank">https://web.archive.org/web/20080829164836/http://www.cs.wustl.edu/~schmidt/ACE-users.html</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>