static void __serial_check_fds(SERIAL_DEVICE* serial)
{
IRP* irp;
IRP* prev;
SERIAL_TTY* tty;
uint32 result = 0;
memset(&serial->tv, 0, sizeof(struct timeval));
tty = serial->tty;
/* scan every pending */
irp = list_peek(serial->pending_irps);
while (irp)
{
DEBUG_SVC("MajorFunction %u", irp->MajorFunction);
switch (irp->MajorFunction)
{
case IRP_MJ_READ:
if (FD_ISSET(tty->fd, &serial->read_fds))
{
irp->IoStatus = STATUS_SUCCESS;
serial_process_irp_read(serial, irp);
}
break;
case IRP_MJ_WRITE:
if (FD_ISSET(tty->fd, &serial->write_fds))
{
irp->IoStatus = STATUS_SUCCESS;
serial_process_irp_write(serial, irp);
}
break;
case IRP_MJ_DEVICE_CONTROL:
if (serial_tty_get_event(tty, &result))
{
DEBUG_SVC("got event result %u", result);
irp->IoStatus = STATUS_SUCCESS;
stream_write_uint32(irp->output, result);
irp->Complete(irp);
}
break;
default:
DEBUG_SVC("no request found");
break;
}
prev = irp;
irp = (IRP*)list_next(serial->pending_irps, irp);
if (prev->IoStatus == STATUS_SUCCESS)
{
list_remove(serial->pending_irps, prev);
wait_obj_set(serial->in_event);
}
}
}
static void serial_abort_single_io(SERIAL_DEVICE* serial, UINT32 file_id, UINT32 abort_io, UINT32 io_status)
{
UINT32 major;
IRP* irp = NULL;
SERIAL_TTY* tty;
DEBUG_SVC("[in] pending size %d", list_size(serial->pending_irps));
tty = serial->tty;
if(!tty)
{
DEBUG_WARN("tty = %p", tty);
return;
}
switch (abort_io)
{
case SERIAL_ABORT_IO_NONE:
major = 0;
break;
case SERIAL_ABORT_IO_READ:
major = IRP_MJ_READ;
break;
case SERIAL_ABORT_IO_WRITE:
major = IRP_MJ_WRITE;
break;
default:
DEBUG_SVC("unexpected abort_io code %d", abort_io);
return;
}
irp = (IRP*) list_peek(serial->pending_irps);
while (irp)
{
if (irp->FileId != file_id || irp->MajorFunction != major)
{
irp = (IRP*) list_next(serial->pending_irps, irp);
continue;
}
/* Process a SINGLE FileId and MajorFunction */
list_remove(serial->pending_irps, irp);
irp->IoStatus = io_status;
Stream_Write_UINT32(irp->output, 0);
irp->Complete(irp);
break;
}
DEBUG_SVC("[out] pending size %d", list_size(serial->pending_irps));
}
static void serial_check_for_events(SERIAL_DEVICE* serial)
{
IRP* irp = NULL;
IRP* prev;
UINT32 result = 0;
SERIAL_TTY* tty;
tty = serial->tty;
if(!tty)
{
DEBUG_WARN("tty = %p", tty);
return;
}
DEBUG_SVC("[in] pending size %d", list_size(serial->pending_irps));
irp = (IRP*) list_peek(serial->pending_irps);
while (irp)
{
prev = NULL;
if (irp->MajorFunction == IRP_MJ_DEVICE_CONTROL)
{
if (serial_tty_get_event(tty, &result))
{
DEBUG_SVC("got event result %u", result);
irp->IoStatus = STATUS_SUCCESS;
Stream_Write_UINT32(irp->output, result);
irp->Complete(irp);
prev = irp;
irp = (IRP*) list_next(serial->pending_irps, irp);
list_remove(serial->pending_irps, prev);
}
}
if (!prev)
irp = (IRP*) list_next(serial->pending_irps, irp);
}
DEBUG_SVC("[out] pending size %d", list_size(serial->pending_irps));
}
static void __serial_check_fds(SERIAL_DEVICE* serial)
{
IRP* irp;
IRP* prev;
SERIAL_TTY* tty;
UINT32 result = 0;
BOOL irp_completed = FALSE;
ZeroMemory(&serial->tv, sizeof(struct timeval));
tty = serial->tty;
if(!tty)
{
DEBUG_WARN("tty = %p", tty);
return;
}
/* scan every pending */
irp = list_peek(serial->pending_irps);
while (irp)
{
DEBUG_SVC("MajorFunction %u", irp->MajorFunction);
switch (irp->MajorFunction)
{
case IRP_MJ_READ:
if (FD_ISSET(tty->fd, &serial->read_fds))
{
irp->IoStatus = STATUS_SUCCESS;
serial_process_irp_read(serial, irp);
irp_completed = TRUE;
}
break;
case IRP_MJ_WRITE:
if (FD_ISSET(tty->fd, &serial->write_fds))
{
irp->IoStatus = STATUS_SUCCESS;
serial_process_irp_write(serial, irp);
irp_completed = TRUE;
}
break;
case IRP_MJ_DEVICE_CONTROL:
if (serial_tty_get_event(tty, &result))
{
DEBUG_SVC("got event result %u", result);
irp->IoStatus = STATUS_SUCCESS;
Stream_Write_UINT32(irp->output, result);
irp->Complete(irp);
irp_completed = TRUE;
}
break;
default:
DEBUG_SVC("no request found");
break;
}
prev = irp;
irp = (IRP*) list_next(serial->pending_irps, irp);
if (irp_completed || (prev->IoStatus == STATUS_SUCCESS))
list_remove(serial->pending_irps, prev);
}
}