static void DoTasks(int fd)
{
int
processID;
processID=fork();
if(processID>=0)
{
if(processID) // =0 for the child, =PID of the child for the parent
{
WriteDevice(TTYIN,fd); // will run until done=true
if(kill(processID,SIGKILL)<0)
{
ReportString(REPORT_ERROR,"terminal: failed to kill sub-task\n");
}
}
else
{
ReadDevice(fd,TTYOUT); // child task, will run until done=true
}
}
else
{
ReportString(REPORT_ERROR,"terminal: failed to fork\n");
}
}
int IsBusy(libusb_device_handle *alienfx, int *is_busy_return)
/*:note: The is_busy_return should be set to 1 if the device is busy,
* but hasn't yet been implemented.
*/
{
int succp = 0;
int read_bytes = 0;
unsigned char data[] = { START_BYTE, COMMAND_GET_STATUS };
unsigned char data_input[READ_DATA_SIZE];
read_bytes = ReadDevice(alienfx, &data_input[0], READ_DATA_SIZE);
if(0 < read_bytes) {
succp = (START_BYTE == data_input[0]);
} else {
if(LIBUSB_ERROR_BUSY == read_bytes)
*is_busy_return = 1;
fprintf(stderr, "ReadDevice: failed to read any bytes: %s\n",
strerror(errno));
}
return succp;
}
