Function accept_routine

example_echosvr.cpp:109–152

}
int co_accept(int fd, struct sockaddr *addr, socklen_t *len );
static void *accept_routine( void * )
{
	co_enable_hook_sys();
	printf("accept_routine\n");
	fflush(stdout);
	for(;;)
	{
		//printf("pid %ld g_readwrite.size %ld\n",getpid(),g_readwrite.size());
		if( g_readwrite.empty() )
		{
			printf("empty\n"); //sleep
			struct pollfd pf = { 0 };
			pf.fd = -1;
			poll( &pf,1,1000);

			continue;

		}
		struct sockaddr_in addr; //maybe sockaddr_un;
		memset( &addr,0,sizeof(addr) );
		socklen_t len = sizeof(addr);

		int fd = co_accept(g_listen_fd, (struct sockaddr *)&addr, &len);
		if( fd < 0 )
		{
			struct pollfd pf = { 0 };
			pf.fd = g_listen_fd;
			pf.events = (POLLIN|POLLERR|POLLHUP);
			co_poll( co_get_epoll_ct(),&pf,1,1000 );
			continue;
		}
		if( g_readwrite.empty() )
		{
			close( fd );
			continue;
		}
		SetNonBlock( fd );
		task_t *co = g_readwrite.top();
		co->fd = fd;
		g_readwrite.pop();
		co_resume( co->co );
	}
	return 0;
}

static void SetAddr(const char *pszIP,const unsigned short shPort,struct sockaddr_in &addr)
{