C++ (Cpp) calculateMaxFd Examples

Example #1

File: rcinput.cpp Project: zukon/neutrino-mp-cst-next

/* if dev is given, open device with index <dev>, if not (re)open all */
void CRCInput::open(int dev)
{
	if (dev == -1)
		close();

	for (int i = 0; i < NUMBER_OF_EVENT_DEVICES; i++)
	{
		if (dev != -1) {
			if (i != dev || fd_rc[i] != -1)
				continue;
		}
		if ((fd_rc[i] = ::open(RC_EVENT_DEVICE[i], O_RDWR|O_NONBLOCK|O_CLOEXEC)) == -1)
			perror(RC_EVENT_DEVICE[i]);
		printf("CRCInput::open: %s fd %d\n", RC_EVENT_DEVICE[i], fd_rc[i]);
	}

	//+++++++++++++++++++++++++++++++++++++++
#ifdef KEYBOARD_INSTEAD_OF_REMOTE_CONTROL
	fd_keyb = STDIN_FILENO;
	if (fd_rc[0] < 0)
		fd_rc[0] = fd_keyb;
#else
	fd_keyb = 0;
#endif /* KEYBOARD_INSTEAD_OF_REMOTE_CONTROL */
	/*
	   ::open("/dev/dbox/rc0", O_RDONLY);
	   if (fd_keyb<0)
	   {
	   perror("/dev/stdin");
	   exit(-1);
	   }
	   */
#ifdef KEYBOARD_INSTEAD_OF_REMOTE_CONTROL
	::fcntl(fd_keyb, F_SETFL, O_NONBLOCK);

	struct termio new_termio;

	::ioctl(STDIN_FILENO, TCGETA, &orig_termio);

	saved_orig_termio      = true;

	new_termio             = orig_termio;
	new_termio.c_lflag    &= ~ICANON;
	//	new_termio.c_lflag    &= ~(ICANON|ECHO);
	new_termio.c_cc[VMIN ] = 1;
	new_termio.c_cc[VTIME] = 0;

	::ioctl(STDIN_FILENO, TCSETA, &new_termio);

#else
	//fcntl(fd_keyb, F_SETFL, O_NONBLOCK );

	//+++++++++++++++++++++++++++++++++++++++
#endif /* KEYBOARD_INSTEAD_OF_REMOTE_CONTROL */

	open_click();
	calculateMaxFd();
}

Example #2

File: rcinput.cpp Project: FFTEAM/evolux-spark-sh4

void CRCInput::close()
{
	for (int i = 0; i < NUMBER_OF_EVENT_DEVICES; i++) {
		if (fd_rc[i] != -1) {
			::close(fd_rc[i]);
			fd_rc[i] = -1;
		}
	}
#ifdef KEYBOARD_INSTEAD_OF_REMOTE_CONTROL
	if (saved_orig_termio)
	{
		::ioctl(STDIN_FILENO, TCSETA, &orig_termio);
		printf("Original terminal settings restored.\n");
	}
#else
/*
	if(fd_keyb)
	{
		::close(fd_keyb);
	}
*/
#endif /* KEYBOARD_INSTEAD_OF_REMOTE_CONTROL */
	calculateMaxFd();
}

Example #3

File: rcinput.cpp Project: FFTEAM/evolux-spark-sh4

void CRCInput::open()
{
	close();

	fd_tdt_rc_event_driver = -1;

	for (int i = 0; i < NUMBER_OF_EVENT_DEVICES; i++)
	{
		if ((fd_rc[i] = ::open(RC_EVENT_DEVICE[i], O_RDONLY)) == -1)
			perror(RC_EVENT_DEVICE[i]);
		else
		{
			char name[80];
			ioctl(fd_rc[i], EVIOCGNAME(sizeof(name)), name);
			if(!strcmp("TDT RC event driver", name))
				fd_tdt_rc_event_driver = fd_rc[i];
			fcntl(fd_rc[i], F_SETFL, O_NONBLOCK);
		}
	}
	if (fd_tdt_rc_event_driver < 0)
		fd_tdt_rc_event_driver = fd_rc[0];

	//+++++++++++++++++++++++++++++++++++++++
#ifdef KEYBOARD_INSTEAD_OF_REMOTE_CONTROL
	fd_keyb = STDIN_FILENO;
	fd_tdt_rc_event_driver = STDIN_FILENO;
#else
	fd_keyb = 0;
#endif /* KEYBOARD_INSTEAD_OF_REMOTE_CONTROL */
	/*
	   ::open("/dev/dbox/rc0", O_RDONLY);
	   if (fd_keyb<0)
	   {
	   perror("/dev/stdin");
	   exit(-1);
	   }
	   */
#ifdef KEYBOARD_INSTEAD_OF_REMOTE_CONTROL
	::fcntl(fd_keyb, F_SETFL, O_NONBLOCK);

	struct termio new_termio;

	::ioctl(STDIN_FILENO, TCGETA, &orig_termio);

	saved_orig_termio      = true;

	new_termio             = orig_termio;
	new_termio.c_lflag    &= ~ICANON;
	//	new_termio.c_lflag    &= ~(ICANON|ECHO);
	new_termio.c_cc[VMIN ] = 1;
	new_termio.c_cc[VTIME] = 0;

	::ioctl(STDIN_FILENO, TCSETA, &new_termio);

#else
	//fcntl(fd_keyb, F_SETFL, O_NONBLOCK );

	//+++++++++++++++++++++++++++++++++++++++
#endif /* KEYBOARD_INSTEAD_OF_REMOTE_CONTROL */

	open_click();
	calculateMaxFd();
}