/* Generic serial interface functions.
- Copyright (C) 1992-2017 Free Software Foundation, Inc.
+ Copyright (C) 1992-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "serial.h"
#include "ser-base.h"
-#include "event-loop.h"
+#include "gdbsupport/event-loop.h"
-#include "gdb_select.h"
-#include "gdb_sys_time.h"
+#include "gdbsupport/gdb_select.h"
+#include "gdbsupport/gdb_sys_time.h"
#ifdef USE_WIN32API
#include <winsock2.h>
#endif
/* >= 0 (TIMER_SCHEDULED) */
/* The ID of the currently scheduled timer event. This state is
rarely encountered. Timer events are one-off so as soon as the
- event is delivered the state is shanged to NOTHING_SCHEDULED. */
+ event is delivered the state is changed to NOTHING_SCHEDULED. */
FD_SCHEDULED = -1,
/* The fd_event() handler is scheduled. It is called when ever the
file descriptor becomes ready. */
/* PUSH_EVENT: The input FIFO is non-empty (or there is a pending
error). Nag the client until all the data has been read. In the
case of errors, the client will need to close or de-async the
- device before naging stops. */
+ device before nagging stops. */
static void
push_event (void *context)
if (s == 0 && close_fd)
{
/* End of file. */
+ if (serial_is_async_p (scb))
+ delete_file_handler (scb->error_fd);
close (scb->error_fd);
scb->error_fd = -1;
break;
}
}
+/* Event-loop callback for a serial's error_fd. Flushes any error
+ output we might have. */
+
+static void
+handle_error_fd (int error, gdb_client_data client_data)
+{
+ serial *scb = (serial *) client_data;
+
+ ser_base_read_error_fd (scb, 0);
+}
+
/* Read a character with user-specified timeout. TIMEOUT is number of
seconds to wait, or -1 to wait forever. Use timeout of 0 to effect
a poll. Returns char if successful. Returns SERIAL_TIMEOUT if
return 0;
}
-int
-ser_base_noflush_set_tty_state (struct serial *scb,
- serial_ttystate new_ttystate,
- serial_ttystate old_ttystate)
-{
- return 0;
-}
-
void
ser_base_print_tty_state (struct serial *scb,
serial_ttystate ttystate,
fprintf_unfiltered (gdb_stdlog, "[fd%d->asynchronous]\n",
scb->fd);
reschedule (scb);
+
+ if (scb->error_fd != -1)
+ add_file_handler (scb->error_fd, handle_error_fd, scb);
}
else
{
delete_timer (scb->async_state);
break;
}
+
+ if (scb->error_fd != -1)
+ delete_file_handler (scb->error_fd);
}
}