/* Event loop machinery for GDB, the GNU debugger.
- Copyright 1999 Free Software Foundation, Inc.
+ Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
This file is part of GDB.
Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include "top.h"
#include "event-loop.h"
#include "event-top.h"
#endif
#include <sys/types.h>
-#include <string.h>
+#include "gdb_string.h"
#include <errno.h>
-#include <setjmp.h>
#include <sys/time.h>
-/* Type of the mask arguments to select. */
-
-#ifndef HAVE_POLL
-#ifdef NO_FD_SET
-/* All this stuff below is not required if select is used as God(tm)
- intended, with the FD_* macros. Are there any implementations of
- select which don't have FD_SET and other standard FD_* macros? I
- don't think there are, but if I'm wrong, we need to catch them. */
-#error FD_SET must be defined if select function is to be used!
-
-#ifndef _AIX
-typedef long fd_mask;
-#endif
-#if defined(_IBMR2)
-#define SELECT_MASK void
-#else
-#define SELECT_MASK int
-#endif /* !_IBMR2 */
-
-/* Define "NBBY" (number of bits per byte) if it's not already defined. */
-
-#ifndef NBBY
-#define NBBY 8
-#endif
-
-/* Define the number of fd_masks in an fd_set */
-
-#ifndef FD_SETSIZE
-#ifdef OPEN_MAX
-#define FD_SETSIZE OPEN_MAX
-#else
-#define FD_SETSIZE 256
-#endif
-#endif
-#if !defined(howmany)
-#define howmany(x, y) (((x)+((y)-1))/(y))
-#endif
-#ifndef NFDBITS
-#define NFDBITS NBBY*sizeof(fd_mask)
-#endif
-#define MASK_SIZE howmany(FD_SETSIZE, NFDBITS)
-
-#endif /* NO_FD_SET */
-#endif /* !HAVE_POLL */
-
-
typedef struct gdb_event gdb_event;
typedef void (event_handler_func) (int);
interface specific, because interfaces can display the
prompt in their own way. */
display_gdb_prompt (0);
+ /* This call looks bizarre, but it is required. If the user
+ entered a command that caused an error,
+ after_char_processing_hook won't be called from
+ rl_callback_read_char_wrapper. Using a cleanup there
+ won't work, since we want this function to be called
+ after a new prompt is printed. */
+ if (after_char_processing_hook)
+ (*after_char_processing_hook) ();
/* Maybe better to set a flag to be checked somewhere as to
whether display the prompt or not. */
}
if (poll (&fds, 1, 0) == 1 && (fds.revents & POLLNVAL))
use_poll = 0;
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
if (use_poll)
#ifdef HAVE_POLL
create_file_handler (fd, POLLIN, proc, client_data);
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif
}
else
gdb_notifier.num_fds++;
if (gdb_notifier.poll_fds)
gdb_notifier.poll_fds =
- (struct pollfd *) realloc (gdb_notifier.poll_fds,
- (gdb_notifier.num_fds) * sizeof (struct pollfd));
+ (struct pollfd *) xrealloc (gdb_notifier.poll_fds,
+ (gdb_notifier.num_fds
+ * sizeof (struct pollfd)));
else
gdb_notifier.poll_fds =
(struct pollfd *) xmalloc (sizeof (struct pollfd));
(gdb_notifier.poll_fds + gdb_notifier.num_fds - 1)->events = mask;
(gdb_notifier.poll_fds + gdb_notifier.num_fds - 1)->revents = 0;
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
else
gdb_notifier.poll_fds = new_poll_fds;
gdb_notifier.num_fds--;
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
else
else
file_ptr->error = 0;
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
else
if (num_found == -1 && errno != EINTR)
perror_with_name ("Poll");
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
else
file_ptr->ready_mask = (gdb_notifier.poll_fds + i)->revents;
}
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
else
#ifdef HAVE_POLL
gdb_notifier.poll_timeout = delta.tv_sec * 1000;
#else
- internal_error ("event-loop.c : use_poll without HAVE_POLL");
+ internal_error (__FILE__, __LINE__,
+ "use_poll without HAVE_POLL");
#endif /* HAVE_POLL */
}
else