static void
on_input_source_disconnected (ply_renderer_input_source_t *input_source)
{
ply_trace ("input source disconnected, reopening");
open_input_source (input_source->backend, input_source);
}
main()
{
int fd1, fd2; /* input sources 1 and 2 */
fd_set readfs; /* file descriptor set */
int maxfd; /* maximum file desciptor used */
int loop=1; /* loop while TRUE */
int res;
struct timeval Timeout;
/* open_input_source opens a device, sets the port correctly, and
returns a file descriptor */
fd1 = open_input_source("/dev/ttyS1"); /* COM2 */
if (fd1<0) exit(0);
fd2 = open_input_source("/dev/ttyS2"); /* COM3 */
if (fd2<0) exit(0);
maxfd = max (fd1, fd2)+1; /* maximum bit entry (fd) to test */
/* loop for input */
while (loop) {
// set timeout value within input loop
Timeout.tv_usec = 0; // milliseconds
Timeout.tv_sec = 3; // seconds
FD_SET(fd1, &readfs); /* set testing for source 1 */
FD_SET(fd2, &readfs); /* set testing for source 2 */
/* block until input becomes available */
res = select(maxfd, &readfs, NULL, NULL, &Timeout);
//number of file descriptors with input = 0,
//timeout occurred.
if (res == 0) {
printf("Timeout occured\n");
exit(1);
}
if (FD_ISSET(fd1, &readfs)) /* input from source 1 available */
handle_input_from_source(fd1);
if (FD_ISSET(fd2, &readfs)) /* input from source 2 available */
handle_input_from_source(fd2);
}
close(fd1);
close(fd2);
}
