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/* Copyright (C) 2005 The glibmm Development Team
*
* 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.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glibmm.h>
#include <sys/types.h>
#include <unistd.h>
#include <iostream>
using namespace std;
class ChildWatch : public sigc::trackable
{
public:
ChildWatch(const Glib::RefPtr<Glib::MainLoop>& mainLoop)
: m_mainLoop(mainLoop)
{}
void on_child_exited(GPid pid,int status);
void run(); // fork a child and call signal_child_watch
private:
Glib::RefPtr<Glib::MainLoop> m_mainLoop;
};
void ChildWatch::run()
{
GPid pid = fork();
if(pid==0)
{
sleep(5);
exit(0);
}
std:: cout << "Child " << pid << " created" << std::endl;
Glib::signal_child_watch().connect(sigc::mem_fun(*this, &ChildWatch::on_child_exited), pid);
}
void ChildWatch::on_child_exited(GPid pid, int status)
{
std::cout << "Child " << pid << " exited with status " << status << std::endl;
m_mainLoop->quit();
}
int main()
{
Glib::RefPtr<Glib::MainLoop> mainLoop = Glib::MainLoop::create();
ChildWatch cwatch(mainLoop);
cwatch.run();
mainLoop->run();
return 0;
}
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