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#include "EventLoop.h"
#include "CallBackEventLoop.h"
#ifdef ASYNCFILEMANIP
#ifdef Q_OS_LINUX
#include <sys/epoll.h>
#include <signal.h>
#endif
EventLoop EventLoop::eventLoop;
EventLoop::EventLoop()
{
int efd = epoll_create1(0);
if(efd==-1)
{
fprintf(stderr,"%s, errno %i\n", strerror(errno), errno);
abort();
}
//start();->put cpu at 100%
stopIt=false;
}
EventLoop::~EventLoop()
{
stop();
QThread::wait();
}
void EventLoop::stop()
{
stopIt=true;
}
void EventLoop::run()
{
while(!stopIt)
{
int number_of_events = epoll_wait(efd, events, MAXEVENTS, -1);
if (-1 == number_of_events && EINTR == errno)
return;
for(int i = 0; i < number_of_events; i++)
static_cast<CallBackEventLoop *>(events[i].data.ptr)->callBack();
}
}
void EventLoop::watchSource(CallBackEventLoop * const object,const int &fd)
{
epoll_event event;
event.events = EPOLLIN | EPOLLPRI | EPOLLERR | EPOLLET;
event.data.ptr = object;
if(epoll_ctl(efd, EPOLL_CTL_ADD, fd, &event)!=0)
{
printf("%s, errno %i\n", strerror(errno), errno);
//abort();
}
}
void EventLoop::watchDestination(CallBackEventLoop * const object,const int &fd)
{
epoll_event event;
event.events = EPOLLOUT | EPOLLPRI | EPOLLERR | EPOLLET;
event.data.ptr = object;
if(epoll_ctl(efd, EPOLL_CTL_ADD, fd, &event)!=0)
{
printf("%s, errno %i\n", strerror(errno), errno);
//abort();
}
}
#endif
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