void MainWindow::slotSetSettings( const QString &portName,
const QString &portSpeed )
{
delete m_receiver;
QSerialPort::BaudRate convertedPortSpeed =
static_cast<QSerialPort::BaudRate>( portSpeed.toInt() );
m_receiver = new Receiver( portName, convertedPortSpeed );
runReceiver();
}
int main() {
int pid_sender; // id of sender process
int pid_receiver; // id of receiver process
int RWpipe[2]; // initialize pipe int array
pipe(RWpipe); // create pipe with array
// fire sender with pipe
if(pid_sender = fork() == 0) {
/* child process */
runSender(RWpipe);
} else if(pid_sender < 0) {
printf("Error: could not fork sender");
exit(1); // exit with code 1
}
// fire receiver with pipe
if(pid_receiver = fork() == 0) {
/* child process */
runReceiver(RWpipe);
} else if(pid_receiver < 0) {
printf("Error: could not fork receiver.");
exit(1); // exit with code 1
}
// close pipe ends
close(RWpipe[0]);
close(RWpipe[1]);
// sleep for 30 sec
sleep(30);
// print
printf("Main process %d has terminated.\n", getpid());
return 0;
}
