unievent.c

/*************************************************************************
    > File Name: unievent.c
    > Author: zjh
    > Mail: zjh87207521@163.com 
    > Created Time: 2018年09月11日 星期二 18时37分04秒
 ************************************************************************/

#include<stdio.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<netinet/in.h>
#include<arpa/in.h>
#include<assert.h>
#include<stdio.h>
#include<signal.h>
#include<unistd.h>
#include<errno.h>
#include<string.h>
#include<fcntl.h>
#include<stdlib.h>
#include<sys/epoll.h>
#include<pthread.h>

#define MAX_EVENT_NUMBER 1024

static int pipefd[2];

int setnonblocking(int fd)
{
	int old_option = fcntl(fd, F_GETFL);
	int new_option = old_option | O_NONBLOCK;
	fcntl(fd, F_SETFL, new_option);
	return old_option;
}

void addfd(int epollfd, int fd)
{
	epoll_event event;
	event.data.fd = fd;
	event.events = EPOLLIN | EPOLLET;
    setnonblocking(fd);
}

void sig_handle(int sig)
{
    int save_errno = errno;
    int msg = sig;
    send(pipefd[1], (char*)&msg, 1, 0);
    errno = save_errno;
}

void addsig(int sig)
{
    struct 
}