gdb/gdb/serial.c

43 /* Pointer to list of scb's. */
176   struct serial *scb;
180   for (scb = scb_base; scb; scb = scb->next)
181     if (scb->name && strcmp (scb->name, name) == 0)
183 	scb->refcnt++;
184 	return scb;
204   scb = XMALLOC (struct serial);
206   scb->ops = ops;
208   scb->bufcnt = 0;
209   scb->bufp = scb->buf;
211   if (scb->ops->open (scb, open_name))
213       xfree (scb);
217   scb->name = xstrdup (name);
218   scb->next = scb_base;
219   scb->refcnt = 1;
220   scb->debug_p = 0;
221   scb->async_state = 0;
222   scb->async_handler = NULL;
223   scb->async_context = NULL;
224   scb_base = scb;
226   last_serial_opened = scb;
235   return scb;
241   struct serial *scb;
244   for (scb = scb_base; scb; scb = scb->next)
245     if (scb->fd == fd)
247 	scb->refcnt++;
248 	return scb;
256   scb = XMALLOC (struct serial);
258   scb->ops = ops;
260   scb->bufcnt = 0;
261   scb->bufp = scb->buf;
263   scb->fd = fd;
265   scb->name = NULL;
266   scb->next = scb_base;
267   scb->refcnt = 1;
268   scb->debug_p = 0;
269   scb->async_state = 0;
270   scb->async_handler = NULL;
271   scb->async_context = NULL;
272   scb_base = scb;
274   last_serial_opened = scb;
276   return scb;
280 do_serial_close (struct serial *scb, int really_close)
296 /* This is bogus.  It's not our fault if you pass us a bad scb...!  Rob, you
299   if (!scb)
302   scb->refcnt--;
303   if (scb->refcnt > 0)
307   if (scb->async_handler != NULL)
308     serial_async (scb, NULL, NULL);
311     scb->ops->close (scb);
313   if (scb->name)
314     xfree (scb->name);
316   if (scb_base == scb)
321 	if (tmp_scb->next != scb)
328   xfree (scb);
332 serial_close (struct serial *scb)
334   do_serial_close (scb, 1);
338 serial_un_fdopen (struct serial *scb)
340   do_serial_close (scb, 0);
344 serial_readchar (struct serial *scb, int timeout)
350   if (0 && serial_is_async_p (scb) && timeout < 0)
354   ch = scb->ops->readchar (scb, timeout);
363   if (serial_debug_p (scb))
375 serial_write (struct serial *scb, const char *str, int len)
389   return (scb->ops->write (scb, str, len));
407 serial_drain_output (struct serial *scb)
409   return scb->ops->drain_output (scb);
413 serial_flush_output (struct serial *scb)
415   return scb->ops->flush_output (scb);
419 serial_flush_input (struct serial *scb)
421   return scb->ops->flush_input (scb);
425 serial_send_break (struct serial *scb)
430   return (scb->ops->send_break (scb));
434 serial_raw (struct serial *scb)
436   scb->ops->go_raw (scb);
440 serial_get_tty_state (struct serial *scb)
442   return scb->ops->get_tty_state (scb);
446 serial_set_tty_state (struct serial *scb, serial_ttystate ttystate)
448   return scb->ops->set_tty_state (scb, ttystate);
452 serial_print_tty_state (struct serial *scb,
456   scb->ops->print_tty_state (scb, ttystate, stream);
460 serial_noflush_set_tty_state (struct serial *scb,
464   return scb->ops->noflush_set_tty_state (scb, new_ttystate, old_ttystate);
468 serial_setbaudrate (struct serial *scb, int rate)
470   return scb->ops->setbaudrate (scb, rate);
474 serial_setstopbits (struct serial *scb, int num)
476   return scb->ops->setstopbits (scb, num);
480 serial_can_async_p (struct serial *scb)
482   return (scb->ops->async != NULL);
486 serial_is_async_p (struct serial *scb)
488   return (scb->ops->async != NULL) && (scb->async_handler != NULL);
492 serial_async (struct serial *scb,
497   if ((scb->async_handler == NULL)
499     scb->ops->async (scb, handler != NULL);
500   scb->async_handler = handler;
501   scb->async_context = context;
505 deprecated_serial_fd (struct serial *scb)
509   if (scb->fd < 0)
514   return scb->fd; /* sigh */
518 serial_debug (struct serial *scb, int debug_p)
520   scb->debug_p = debug_p;
524 serial_debug_p (struct serial *scb)
526   return scb->debug_p || global_serial_debug_p;