/* Event loop machinery for GDB, the GNU debugger.
- Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2000, 2001, 2002, 2005, 2006, 2007
+ Free Software Foundation, Inc.
Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "event-loop.h"
#include "gdb_string.h"
#include <errno.h>
#include <sys/time.h>
+#include "exceptions.h"
+#include "gdb_assert.h"
+#include "gdb_select.h"
typedef struct gdb_event gdb_event;
typedef void (event_handler_func) (int);
static unsigned char use_poll = USE_POLL;
+#ifdef USE_WIN32API
+#include <windows.h>
+#include <io.h>
+#endif
+
static struct
{
/* Ptr to head of file handler list. */
static void invoke_async_signal_handler (void);
static void handle_file_event (int event_file_desc);
static int gdb_wait_for_event (void);
-static int gdb_do_one_event (void *data);
static int check_async_ready (void);
static void async_queue_event (gdb_event * event_ptr, queue_position position);
static gdb_event *create_file_event (int fd);
can happen if there are no event sources to wait for). If an error
occurs catch_errors() which calls this function returns zero. */
-static int
+int
gdb_do_one_event (void *data)
{
/* Any events already waiting in the queue? */
longer any event sources registered. */
while (1)
{
- int result = catch_errors (gdb_do_one_event, 0, "", RETURN_MASK_ALL);
- if (result < 0)
+ int gdb_result;
+
+ gdb_result = catch_errors (gdb_do_one_event, 0, "", RETURN_MASK_ALL);
+ if (gdb_result < 0)
break;
- if (result == 0)
+
+ /* If we long-jumped out of do_one_event, we probably
+ didn't get around to resetting the prompt, which leaves
+ readline in a messed-up state. Reset it here. */
+
+ if (gdb_result == 0)
{
/* FIXME: this should really be a call to a hook that is
interface specific, because interfaces can display the
use_poll = 0;
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif /* HAVE_POLL */
}
if (use_poll)
create_file_handler (fd, POLLIN, proc, client_data);
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif
}
else
(gdb_notifier.poll_fds + gdb_notifier.num_fds - 1)->revents = 0;
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif /* HAVE_POLL */
}
else
gdb_notifier.num_fds--;
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif /* HAVE_POLL */
}
else
/* Work in progress. We may need to tell somebody what
kind of error we had. */
if (error_mask_returned & POLLHUP)
- printf_unfiltered ("Hangup detected on fd %d\n", file_ptr->fd);
+ printf_unfiltered (_("Hangup detected on fd %d\n"), file_ptr->fd);
if (error_mask_returned & POLLERR)
- printf_unfiltered ("Error detected on fd %d\n", file_ptr->fd);
+ printf_unfiltered (_("Error detected on fd %d\n"), file_ptr->fd);
if (error_mask_returned & POLLNVAL)
- printf_unfiltered ("Invalid or non-`poll'able fd %d\n", file_ptr->fd);
+ printf_unfiltered (_("Invalid or non-`poll'able fd %d\n"), file_ptr->fd);
file_ptr->error = 1;
}
else
file_ptr->error = 0;
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif /* HAVE_POLL */
}
else
{
if (file_ptr->ready_mask & GDB_EXCEPTION)
{
- printf_unfiltered ("Exception condition detected on fd %d\n", file_ptr->fd);
+ printf_unfiltered (_("Exception condition detected on fd %d\n"), file_ptr->fd);
file_ptr->error = 1;
}
else
/* Don't print anything if we get out of poll because of a
signal. */
if (num_found == -1 && errno != EINTR)
- perror_with_name ("Poll");
+ perror_with_name (("poll"));
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif /* HAVE_POLL */
}
else
gdb_notifier.ready_masks[0] = gdb_notifier.check_masks[0];
gdb_notifier.ready_masks[1] = gdb_notifier.check_masks[1];
gdb_notifier.ready_masks[2] = gdb_notifier.check_masks[2];
- num_found = select (gdb_notifier.num_fds,
- &gdb_notifier.ready_masks[0],
- &gdb_notifier.ready_masks[1],
- &gdb_notifier.ready_masks[2],
- gdb_notifier.timeout_valid
- ? &gdb_notifier.select_timeout : NULL);
+ num_found = gdb_select (gdb_notifier.num_fds,
+ &gdb_notifier.ready_masks[0],
+ &gdb_notifier.ready_masks[1],
+ &gdb_notifier.ready_masks[2],
+ gdb_notifier.timeout_valid
+ ? &gdb_notifier.select_timeout : NULL);
/* Clear the masks after an error from select. */
if (num_found == -1)
FD_ZERO (&gdb_notifier.ready_masks[2]);
/* Dont print anything is we got a signal, let gdb handle it. */
if (errno != EINTR)
- perror_with_name ("Select");
+ perror_with_name (("select"));
}
}
}
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif /* HAVE_POLL */
}
else
gdb_notifier.poll_timeout = delta.tv_sec * 1000;
#else
internal_error (__FILE__, __LINE__,
- "use_poll without HAVE_POLL");
+ _("use_poll without HAVE_POLL"));
#endif /* HAVE_POLL */
}
else
projects / deliverable / binutils-gdb.git / blobdiff