author | Dominic Pinkman <dominic.pinkman@nokia.com> |
Fri, 13 Aug 2010 16:47:46 +0100 | |
changeset 14 | 578be2adaf3e |
parent 12 | 80ef3a206772 |
permissions | -rw-r--r-- |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<?xml version="1.0" encoding="utf-8"?> |
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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<!-- This component and the accompanying materials are made available under the terms of the License |
59758314f811
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"Eclipse Public License v1.0" which accompanies this distribution, |
59758314f811
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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<!-- Initial Contributors: |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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Nokia Corporation - initial contribution. |
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Contributors: |
59758314f811
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--> |
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Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<!DOCTYPE concept |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
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80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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<concept id="GUID-79100974-CAE1-5451-9ED7-E06C9B27131B" xml:lang="en"><title>Build Process</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
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59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<ul> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li id="GUID-1F561425-9B98-544A-A0CB-086E0931313E"><p><xref href="GUID-79100974-CAE1-5451-9ED7-E06C9B27131B.dita#GUID-79100974-CAE1-5451-9ED7-E06C9B27131B/GUID-DDD0A8B3-0375-5245-A019-C9A74575C63F">Introduction</xref> </p> </li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li id="GUID-DE26248D-27DE-5B38-9BFA-FE4CBAB676F6"><p><xref href="GUID-79100974-CAE1-5451-9ED7-E06C9B27131B.dita#GUID-79100974-CAE1-5451-9ED7-E06C9B27131B/GUID-423A00CF-D668-5114-860D-B30185DAB0B2">P.I.P.S. target types</xref> </p> </li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li id="GUID-9EC5C68C-CDFC-5608-A26C-FD6001822217"><p><xref href="GUID-79100974-CAE1-5451-9ED7-E06C9B27131B.dita#GUID-79100974-CAE1-5451-9ED7-E06C9B27131B/GUID-6A50D190-7E5B-5109-BA38-9C962DF8EB1D">Symbol information</xref> </p> </li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li id="GUID-6EDF3969-49B8-5F74-BFBF-C323D2C8480C"><p><xref href="GUID-79100974-CAE1-5451-9ED7-E06C9B27131B.dita#GUID-79100974-CAE1-5451-9ED7-E06C9B27131B/GUID-76C405AE-1AB7-59AE-BCAF-A9E09D17B24E">Mapping POSIX handles to the Symbian platform resource objects</xref> </p> <ul> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li id="GUID-30586541-C6EB-5794-8171-2302C53AAE45"><p><xref href="GUID-79100974-CAE1-5451-9ED7-E06C9B27131B.dita#GUID-79100974-CAE1-5451-9ED7-E06C9B27131B/GUID-4AA14ED5-7949-5AAB-A685-87DA43B99AFE">Using non-system calls</xref> </p> </li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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<li id="GUID-E146BFE8-FDFE-551D-B280-5AD5303996C7"><p><xref href="GUID-79100974-CAE1-5451-9ED7-E06C9B27131B.dita#GUID-79100974-CAE1-5451-9ED7-E06C9B27131B/GUID-FBF12198-B501-5525-86AF-5517A012FDF1">Using the System Call Adaptation Layer</xref> </p> </li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul> </li> |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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</ul> |
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80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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<section id="GUID-DDD0A8B3-0375-5245-A019-C9A74575C63F"><title>Introduction</title> <p>Symbian currently builds its emulator code with the Metrowerks |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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CodeWarrior compiler. This is known as the <codeph>WINSCW</codeph> build target. Binaries built with this compiler are put in the <filepath>epoc32\release\winscw</filepath> and <filepath>epoc32\winscw</filepath> directory trees. </p> <p>You can build your programs for the emulator |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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using Metrowerks CodeWarrior. The build tools also support the Microsoft® |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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Visual Studio .NET 2003 and Microsoft Visual Studio v6 IDEs. Note that licensees or third-parties may supply additional |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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tools, or extend support to additional compilers, which are not described |
80ef3a206772
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here. </p> <p>The following sections describe the Symbian platform |
80ef3a206772
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target types introduced with P.I.P.S.. </p> <p>When using tool chains |
80ef3a206772
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for pre-Symbian OS v9.3, the <filepath>.mmp</filepath> file has to |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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be manually changed to link in various libraries. </p> <p>For Symbian |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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OS v9.3 onwards the tool chain supports the new <codeph>STDEXE</codeph> and <codeph>STDDLL</codeph> target types for P.I.P.S. EXEs and DLLs. |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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See the <xref href="GUID-1560C4FF-82EC-5E5D-A37D-3BBE046F0A5B.dita#GUID-1560C4FF-82EC-5E5D-A37D-3BBE046F0A5B/GUID-5D0338E0-E2D4-5904-9B21-244CA52DD91B">Generation of STDEXE, STDDLL and STDLIB</xref> section for further |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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explanation of the new target types introduced with P.I.P.S.. </p> </section> |
80ef3a206772
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<section id="GUID-423A00CF-D668-5114-860D-B30185DAB0B2"><title>P.I.P.S. |
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Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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target types</title> <p>P.I.P.S. EXEs require adaptation logic to |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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set up the C program environment and the P.I.P.S. run-time C library |
80ef3a206772
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context - this is performed by the <codeph>CRT0</codeph> library (also |
80ef3a206772
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known as glue code, see the <xref href="GUID-6CDDDD1E-BDB9-5C61-8EFD-8B3369F5A12D.dita#GUID-6CDDDD1E-BDB9-5C61-8EFD-8B3369F5A12D/GUID-49C7F951-8317-5F41-B1B9-9F7B8803E655">Glue code (CRT0)</xref> section for further details). </p> <p>P.I.P.S. |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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executables are implemented using native Symbian platform executables |
80ef3a206772
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linked statically to the glue code. The new target types for P.I.P.S. |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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include the glue code by default. The glue code provides the linking |
80ef3a206772
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code between the <codeph>E32Main()</codeph> entry point and the <codeph>main()</codeph> entry point used in 'C' P.I.P.S. EXEs. </p> <p>For |
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Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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further information see the <xref href="GUID-1560C4FF-82EC-5E5D-A37D-3BBE046F0A5B.dita">Target Types</xref> section. </p> </section> |
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Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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<section id="GUID-6A50D190-7E5B-5109-BA38-9C962DF8EB1D"><title>Symbol |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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information</title> <p>When building a P.I.P.S. DLL (that is, when |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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the target type is <codeph>STDDLL</codeph>), function and data symbols |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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with <codeph>extern</codeph> linkage will be exported or imported |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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by default, without any requirement for <xref href="GUID-BD292953-36BF-3C7D-AA93-98E6CB38968E.dita"><apiname>IMPORT_C</apiname></xref> /<xref href="GUID-2F78C3AC-7330-34C0-8A83-75D7345F2DC8.dita"><apiname>EXPORT_C</apiname></xref> declarations in the header or source |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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files. </p> <p>Exporting of symbols with <codeph>extern</codeph> linkage |
80ef3a206772
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is the assumed default on other platforms and enables the source code |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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to be easily ported. Although this may normally be undesirable in |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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the embedded world, it is supported for <codeph>STDDLL</codeph> to |
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Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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avoid portable source code having to include excessive decoration |
80ef3a206772
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(that is, the <codeph>IMPORT_C</codeph> /<codeph>EXPORT_C</codeph> macros) for the Symbian platform. </p> <p> <codeph>STDEXE</codeph> and <codeph>STDDLL</codeph> provide symbol name information. For |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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more information on the Symbian platform target types see the <xref href="GUID-1560C4FF-82EC-5E5D-A37D-3BBE046F0A5B.dita#GUID-1560C4FF-82EC-5E5D-A37D-3BBE046F0A5B/GUID-5D0338E0-E2D4-5904-9B21-244CA52DD91B">Generation of STDEXE, STDDLL and STDLIB</xref> section. </p> </section> |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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<section id="GUID-76C405AE-1AB7-59AE-BCAF-A9E09D17B24E"><title>Mapping |
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POSIX handles to the Symbian platform resource objects</title> <p id="GUID-4AA14ED5-7949-5AAB-A685-87DA43B99AFE"><b>Using non-system |
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calls</b> </p> <p>Several P.I.P.S. APIs that directly manipulate the |
80ef3a206772
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Symbian platform (native) resources are implemented in the System |
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Call Adaptation Layer (SCAL). The exceptions to this are <codeph>pthread</codeph> s, and memory maps. The <codeph>pthread</codeph> APIs use <xref href="GUID-B0E661BC-4058-3256-B9C3-5A4FD52F6DE5.dita"><apiname>RThread</apiname></xref> s and <xref href="GUID-C0FEA3A0-7DD3-3B87-A919-CB973BC05766.dita"><apiname>RMutex</apiname></xref> es directly from |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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within <codeph>libpthread</codeph>. Similarly, <xref href="GUID-326A2F4D-0E99-31C0-A35D-E8BF45913F07.dita"><apiname>RChunk</apiname></xref> s that are used to provide support for memory maps are directly |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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manipulated from within <codeph>libc</codeph>. Note that none of these |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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63 |
APIs allow direct access to the underlying native resources. References |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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64 |
to these are wrapped in POSIX-defined data structures. These data |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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65 |
structures are intended to be treated as opaque and no attempt must |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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66 |
be made to dereference or use the underlying resource reference directly. </p> <p>All IPC calls enter the SCAL, but are handled in a separate IPC |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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67 |
library. This is a component distinction. The IPC library is logically |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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68 |
still part of the SCAL. </p> <p id="GUID-FBF12198-B501-5525-86AF-5517A012FDF1"><b>Using the System |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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69 |
Call Adaptation Layer</b> </p> <p>One of the supports provided by |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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70 |
the System Call Adaptation Layer (SCAL) is the mapping of operations |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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71 |
on UNIX® file descriptors to the corresponding Symbian platform resource |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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72 |
objects. The section below discusses the file descriptors case. </p> <p id="GUID-1A1FC433-B9F6-5998-9622-14B961F477E2"><b>Creating a |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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new file descriptor</b> </p> <p>The porting of the 'C' POSIX <xref href="GUID-64886CC6-072F-3542-855A-5D733FC761E8.dita"><apiname>fopen()</apiname></xref> function, below, is a good example of mapping POSIX |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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74 |
handles to native Symbian platform resource objects. The mapping is |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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75 |
done through a file descriptor table. As a reminder, every application/process |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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76 |
has its own file descriptor table. </p> <p>This example shows a call |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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77 |
to the <codeph>fopen()</codeph> function: </p> <codeblock id="GUID-F9681B44-A1E6-5971-9C5E-147D4281DBF0" xml:space="preserve">//myapp.cpp |
9
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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78 |
int foo() |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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79 |
{ |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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80 |
//open the test.tx , fd=7 in this example |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
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81 |
int fd = fopen("c:/test.txt", "r+"); |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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82 |
... |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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83 |
//writes to file referenced by the file descriptor |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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84 |
ret = write (fd, buf, size_t); |
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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85 |
|
12
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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86 |
}</codeblock> <p>When <i>myapp</i> tries to open the file with <codeph>fopen()</codeph>, the application makes a call to the equivalent |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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87 |
Symbian platform function, <xref href="GUID-BE0804F6-4375-3C8A-8C83-968F510466E0.dita#GUID-BE0804F6-4375-3C8A-8C83-968F510466E0/GUID-72470A68-7E07-30EF-A3C8-AA855CDAF60E"><apiname>RFile::Open()</apiname></xref>, and returns |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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88 |
the next free entry in the file descriptor table. </p> <p>In each |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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89 |
table, the values <codeph>0</codeph>, <codeph>1</codeph> and <codeph>2</codeph> are reserved for <xref href="GUID-C0C1D22B-298F-3E8D-A1E9-6F5EFA81F9E8.dita"><apiname>stdin()</apiname></xref>, <xref href="GUID-0441C351-4A8B-3A23-9255-D7C8CEA2A67F.dita"><apiname>sdtout()</apiname></xref> and <xref href="GUID-4FF97B50-2C1E-37EC-888B-FB8D3F14B5B8.dita"><apiname>stderr()</apiname></xref>. The figure below |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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90 |
shows an example file descriptor table. </p> <fig id="GUID-4CEA6881-49E0-5211-8258-C44A8E8F3CDE"> |
14
578be2adaf3e
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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91 |
<image href="GUID-8EE8E38C-7CA1-5F1B-86D0-1A0B03AAC5F2_d0e195352_href.png" placement="inline"/> |
12
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
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92 |
</fig> <p>According to the descriptor table the file descriptor equals <codeph>7</codeph>, as this was the next free entry in the table, and the |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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93 |
write function will be writing to the file referenced by <codeph>7</codeph>. </p> <p> <b>Note:</b> A POSIX descriptor is an index in the process |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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94 |
open file table and represents, for example, an open file, socket |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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95 |
or pipe. A Symbian descriptor represents data which can reside in |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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96 |
any memory location, either in ROM or RAM. A descriptor object maintains |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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|
97 |
pointer and length information to describe the data. All access to |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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98 |
the data is made through the descriptor object. </p> <p id="GUID-79958B57-8C71-5875-9C5B-8C313A96D13A"><b>Descriptors shared |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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99 |
across multiple threads within the same process</b> </p> <p>Originally |
9
59758314f811
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
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100 |
on the Symbian platform, resources were thread specific and multi-tasking |
12
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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101 |
was achieved using servers and active objects. In other operating |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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102 |
systems, such as Linux, resources are process-local and multi-tasking |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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103 |
is achieved by multi-threading. The purpose of the POSIX server in |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
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104 |
the original <codeph>STDLIB</codeph> was to allow system-wide data, |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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105 |
resources and descriptors to be shared across multiple threads. This |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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106 |
means there was context switching between the calling thread and the |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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107 |
server thread which added latency. </p> <p>With the introduction of |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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108 |
the EKA2 kernel, session handles can now be shared across multiple |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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109 |
threads and processes. </p> <p>P.I.P.S. takes advantage of EKA2 and |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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110 |
re-factors the SCAL to allow descriptors to be shared across multiple |
80ef3a206772
Week 28 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 1897, Bug 344, Bug 2681, Bug 463, Bug 1522.
Dominic Pinkman <dominic.pinkman@nokia.com>
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111 |
threads within the same process, without the use of the POSIX server. </p> </section> |
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25a17d01db0c
Addition of the PDK content and example code for Documentation_content according to Feature bug 1607 and bug 1608
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112 |
</conbody></concept> |