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keep_alive_generic.cpp

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#include "Core/precomp.h"
#include <list>

#include "API/Core/System/keep_alive.h"
#include "API/Core/System/system.h"
#include "API/Core/System/event_listener.h"

std::list<CL_KeepAlive*> keep_alives;

CL_KeepAlive::CL_KeepAlive()
{
        keep_alives.push_back(this);
}

CL_KeepAlive::~CL_KeepAlive()
{
        keep_alives.remove(this);
}

void CL_System::keep_alive()
{
        for (
                std::list<CL_KeepAlive*>::iterator it = keep_alives.begin();
                it != keep_alives.end();
                it++)
        {
                (*it)->keep_alive();
        }
}

void CL_System::keep_alive(int millis)
{
        CL_EventListener events;
        keep_alive(events, millis);
}

bool CL_System::keep_alive(CL_EventListener &events, int timeout)
{
        // TODO: Add triggers for keep alive objects.

        if (timeout == -1)
        {
                do CL_System::keep_alive(); while (!events.wait(10));

                return true;
        }
        else
        {
                while (timeout > 0)
                {
                        CL_System::keep_alive();
                        if (events.wait(timeout > 10 ? 10 : timeout)) return true;
                        timeout -= 10;
                }

                return false;
        }
}

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