70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
/* 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 Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library 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;
|
|
}
|