gwj / socket · Files

#include <stdio.h>     // for fprintf()
#include <unistd.h>    // for close()
#include <sys/epoll.h> // for epoll_create1(), epoll_ctl(), struct epoll_event
 
int main()
{
	struct epoll_event event;
	int epoll_fd = epoll_create1(0);
 
	if(epoll_fd == -1)
	{
		fprintf(stderr, "Failed to create epoll file descriptor\n");
		return 1;
	}
 
	event.events = EPOLLIN;
	event.data.fd = 0;
 
	if(epoll_ctl(epoll_fd, EPOLL_CTL_ADD, 0, &event))
	{
		fprintf(stderr, "Failed to add file descriptor to epoll\n");
		close(epoll_fd);
		return 1;
	}
 
	if(close(epoll_fd))
	{
		fprintf(stderr, "Failed to close epoll file descriptor\n");
		return 1;
	}
	return 0;
}