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2011-08-04 Pedro Alves <pedro@codesourcery.com>

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* event-loop.c (gdb_do_one_event): Remove `data' parameter.
	(start_event_loop): Use TRY_CATCH instead of catch_errors.
	* event-loop.h (gdb_do_one_event): Remove `data' parameter.
	* top.c (gdb_readline_wrapper): Adjust.
	* tui/tui-interp.c (tui_command_loop):
	(_initialize_tui_interp): Don't install it.
This commit is contained in:
Pedro Alves 2011-08-04 20:09:46 +00:00
parent 79a45e254f
commit e0dd0826e2
5 changed files with 31 additions and 101 deletions
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39
gdb/event-loop.c
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@ -410,11 +410,10 @@ process_event (void)
/* Process one high level event. If nothing is ready at this time,
wait for something to happen (via gdb_wait_for_event), then process
it. Returns >0 if something was done otherwise returns <0 (this
can happen if there are no event sources to wait for). If an error
occurs catch_errors() which calls this function returns zero. */
can happen if there are no event sources to wait for). */
int
gdb_do_one_event (void *data)
gdb_do_one_event (void)
{
static int event_source_head = 0;
const int number_of_sources = 3;
@ -478,30 +477,30 @@ gdb_do_one_event (void *data)
void
start_event_loop (void)
{
/* Loop until there is nothing to do. This is the entry point to the
event loop engine. gdb_do_one_event, called via catch_errors()
will process one event for each invocation. It blocks waits for
an event and then processes it. >0 when an event is processed, 0
when catch_errors() caught an error and <0 when there are no
longer any event sources registered. */
/* Loop until there is nothing to do. This is the entry point to
the event loop engine. gdb_do_one_event will process one event
for each invocation. It blocks waiting for an event and then
processes it. */
while (1)
{
int gdb_result;
volatile struct gdb_exception ex;
int result = 0;
gdb_result = catch_errors (gdb_do_one_event, 0, "", RETURN_MASK_ALL);
if (gdb_result < 0)
break;
/* 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)
TRY_CATCH (ex, RETURN_MASK_ALL)
{
result = gdb_do_one_event ();
}
if (ex.reason < 0)
{
exception_print (gdb_stderr, ex);
/* If any exception escaped to here, we better enable
stdin. Otherwise, any command that calls async_disable_stdin,
and then throws, will leave stdin inoperable. */
async_enable_stdin ();
/* 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. */
/* FIXME: this should really be a call to a hook that is
interface specific, because interfaces can display the
prompt in their own way. */
@ -517,6 +516,8 @@ start_event_loop (void)
/* Maybe better to set a flag to be checked somewhere as to
whether display the prompt or not. */
}
if (result < 0)
break;
}
/* We are done with the event loop. There are no more event sources