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author | David Boddie <david.boddie@nokia.com> | 2011-02-24 19:55:42 (GMT) |
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committer | David Boddie <david.boddie@nokia.com> | 2011-02-24 19:55:42 (GMT) |
commit | d9a49edc46beb81a80a94ac07543cf7b86856ed3 (patch) | |
tree | 695e00ead5551c447196adfb25f7a4d1bc65bdff /examples/tutorials/threads/hellothread | |
parent | fcea2461489fd392975f8393d7dde8dc1bb6542d (diff) | |
download | Qt-d9a49edc46beb81a80a94ac07543cf7b86856ed3.zip Qt-d9a49edc46beb81a80a94ac07543cf7b86856ed3.tar.gz Qt-d9a49edc46beb81a80a94ac07543cf7b86856ed3.tar.bz2 |
Doc: Added a threading tutorial.
Squashed commit containing changes to documentation during the
development of a threading tutorial, written by Roland Wolf.
Diffstat (limited to 'examples/tutorials/threads/hellothread')
4 files changed, 178 insertions, 0 deletions
diff --git a/examples/tutorials/threads/hellothread/hellothread.cpp b/examples/tutorials/threads/hellothread/hellothread.cpp new file mode 100755 index 0000000..01cd0f5 --- /dev/null +++ b/examples/tutorials/threads/hellothread/hellothread.cpp @@ -0,0 +1,53 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QDebug> +#include "hellothread.h" +/* + * demonstrates use of QThread, says hello in another thread and terminates + */ + +//! [1] +// hellothread/hellothread.cpp +void HelloThread::run() +{ + qDebug() << "hello from worker thread " << thread()->currentThreadId(); +} +//! [1] diff --git a/examples/tutorials/threads/hellothread/hellothread.h b/examples/tutorials/threads/hellothread/hellothread.h new file mode 100755 index 0000000..a3202c6 --- /dev/null +++ b/examples/tutorials/threads/hellothread/hellothread.h @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef HELLOTHREAD_H +#define HELLOTHREAD_H + +#include <QThread> +//! [1] +// hellothread/hellothread.h +class HelloThread : public QThread +{ + Q_OBJECT +private: + void run(); +}; +//! [1] +#endif // HELLOTHREAD_H diff --git a/examples/tutorials/threads/hellothread/hellothread.pro b/examples/tutorials/threads/hellothread/hellothread.pro new file mode 100755 index 0000000..fee7025 --- /dev/null +++ b/examples/tutorials/threads/hellothread/hellothread.pro @@ -0,0 +1,17 @@ +QT -= gui + +CONFIG += console +CONFIG -= app_bundle +TEMPLATE = app +SOURCES += main.cpp \ + hellothread.cpp +HEADERS += hellothread.h + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/tutorials/threads/hellothread +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS hellothread.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/tutorials/threads/hellothread +INSTALLS += target sources + +symbian: include($$QT_SOURCE_TREE/examples/symbianpkgrules.pri) + diff --git a/examples/tutorials/threads/hellothread/main.cpp b/examples/tutorials/threads/hellothread/main.cpp new file mode 100755 index 0000000..9a548ea --- /dev/null +++ b/examples/tutorials/threads/hellothread/main.cpp @@ -0,0 +1,54 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore> +#include "hellothread.h" + +//! [1] +int main(int argc, char *argv[]) +{ + QCoreApplication app(argc, argv); + HelloThread thread; + thread.start(); + qDebug() << "hello from GUI thread " << app.thread()->currentThreadId(); + thread.wait(); // do not exit before the thread is completed! + return 0; +} +//! [1] |