/usr/share/doc/libcxxtools-dev/examples/thread.cpp is in libcxxtools-dev 2.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | /*
* Copyright (C) 2003 Tommi Maekitalo
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <cxxtools/function.h>
#include <cxxtools/thread.h>
#include <cxxtools/mutex.h>
#include <cxxtools/condition.h>
#include <iostream>
#include <string>
#include <unistd.h>
cxxtools::Mutex coutMutex;
cxxtools::Mutex conditionMutex;
cxxtools::Condition running;
#define PRINTLN(expr) \
do { \
cxxtools::MutexLock lock(coutMutex); \
std::cout << time(0) << ' ' << expr << std::endl; \
} while (false)
class myDetachedThread : public cxxtools::DetachedThread
{
~myDetachedThread();
protected:
void run();
};
myDetachedThread::~myDetachedThread()
{
PRINTLN("myDetachedThread::~myDetachedThread() called");
}
void myDetachedThread::run()
{
PRINTLN("myDetachedThread is starting");
cxxtools::MutexLock lock(conditionMutex);
running.broadcast();
lock.unlock();
::sleep(1);
PRINTLN("myDetachedThread waits");
::sleep(2);
PRINTLN("myDetachedThread is ready");
}
void someFunction()
{
PRINTLN("someFunction()");
::sleep(1);
PRINTLN("someFunction() ends");
}
class AClass
{
std::string id;
public:
AClass(const std::string& id_)
: id(id_)
{ }
~AClass()
{ PRINTLN("AClass::~AClass of object \"" << id << '"'); }
void run()
{
PRINTLN("aFunction() of object \"" << id << '"');
::sleep(1);
PRINTLN("aFunction() of object \"" << id << "\" ends");
}
};
int main()
{
try
{
cxxtools::MutexLock lock(conditionMutex);
// detached threads are created on the heap.
// They are deleted automatically when the thread ends.
cxxtools::Thread* d = new myDetachedThread;
d->create();
running.wait(lock);
PRINTLN("myDetachedThread is running");
// run a function as a attached thread
cxxtools::AttachedThread th( cxxtools::callable(someFunction) );
th.start();
// run a method of a object as a thread
AClass aInstance("a instance");
AClass aInstance2("a instance 2");
cxxtools::AttachedThread aclassThread( cxxtools::callable(aInstance, &AClass::run) );
cxxtools::AttachedThread aclassThread2( cxxtools::callable(aInstance2, &AClass::run) );
aclassThread.start();
aclassThread2.start();
::sleep(2);
aclassThread.join();
aclassThread2.join();
// The detached thread is killed, if it does not come to an end before main.
// The attached thread blocks the main-program, until it is ready.
PRINTLN("main stops");
}
catch (const std::exception& e)
{
std::cerr << "ERROR: " << e.what() << std::endl;
}
std::cout << "main stopped" << std::endl;
}
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