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* event-loop.c (async_queue_event): Remove one parameter
	'position'.  Remove code handling 'position' == TAIL.
	(gdb_wait_for_event): Caller update.
	(check_async_event_handlers): Caller update.
	(poll_timers): Caller update.
	* event-loop.h (enum queue_position): Remove.
This commit is contained in:
Yao Qi 2013-01-25 14:14:18 +00:00
parent 60f662b0e8
commit 20ad88565a
3 changed files with 22 additions and 39 deletions
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9
gdb/ChangeLog
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@ -1,3 +1,12 @@
2013-01-25 Yao Qi <yao@codesourcery.com>
* event-loop.c (async_queue_event): Remove one parameter
'position'. Remove code handling 'position' == TAIL.
(gdb_wait_for_event): Caller update.
(check_async_event_handlers): Caller update.
(poll_timers): Caller update.
* event-loop.h (enum queue_position): Remove.
2013-01-25 Maxim Kuvyrkov <maxim@kugelworks.com>
* MAINTAINERS: Update my email.

40
gdb/event-loop.c
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@ -274,9 +274,7 @@ static int gdb_wait_for_event (int);
static void poll_timers (void);
/* Insert an event object into the gdb event queue at
the specified position.
POSITION can be head or tail, with values TAIL, HEAD.
/* Insert an event object into the gdb event queue.
EVENT_PTR points to the event to be inserted into the queue.
The caller must allocate memory for the event. It is freed
after the event has ben handled.
@ -285,28 +283,16 @@ static void poll_timers (void);
as last in first out. Event appended at the tail of the queue
will be processed first in first out. */
static void
async_queue_event (gdb_event * event_ptr, queue_position position)
async_queue_event (gdb_event * event_ptr)
{
if (position == TAIL)
{
/* The event will become the new last_event. */
/* The event will become the new last_event. */
event_ptr->next_event = NULL;
if (event_queue.first_event == NULL)
event_queue.first_event = event_ptr;
else
event_queue.last_event->next_event = event_ptr;
event_queue.last_event = event_ptr;
}
else if (position == HEAD)
{
/* The event becomes the new first_event. */
event_ptr->next_event = event_queue.first_event;
if (event_queue.first_event == NULL)
event_queue.last_event = event_ptr;
event_queue.first_event = event_ptr;
}
event_ptr->next_event = NULL;
if (event_queue.first_event == NULL)
event_queue.first_event = event_ptr;
else
event_queue.last_event->next_event = event_ptr;
event_queue.last_event = event_ptr;
}
/* Create a generic event, to be enqueued in the event queue for
@ -936,7 +922,7 @@ gdb_wait_for_event (int block)
if (file_ptr->ready_mask == 0)
{
file_event_ptr = create_file_event (file_ptr->fd);
async_queue_event (file_event_ptr, TAIL);
async_queue_event (file_event_ptr);
}
file_ptr->ready_mask = (gdb_notifier.poll_fds + i)->revents;
}
@ -972,7 +958,7 @@ gdb_wait_for_event (int block)
if (file_ptr->ready_mask == 0)
{
file_event_ptr = create_file_event (file_ptr->fd);
async_queue_event (file_event_ptr, TAIL);
async_queue_event (file_event_ptr);
}
file_ptr->ready_mask = mask;
}
@ -1158,7 +1144,7 @@ check_async_event_handlers (void)
data.ptr = hdata;
event_ptr = create_event (invoke_async_event_handler, data);
async_queue_event (event_ptr, TAIL);
async_queue_event (event_ptr);
}
}
}
@ -1365,7 +1351,7 @@ poll_timers (void)
event_ptr = (gdb_event *) xmalloc (sizeof (gdb_event));
event_ptr->proc = handle_timer_event;
event_ptr->data.integer = timer_list.first_timer->timer_id;
async_queue_event (event_ptr, TAIL);
async_queue_event (event_ptr);
}
/* Now we need to update the timeout for select/ poll, because

12
gdb/event-loop.h
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@ -75,18 +75,6 @@ typedef void (sig_handler_func) (gdb_client_data);
typedef void (async_event_handler_func) (gdb_client_data);
typedef void (timer_handler_func) (gdb_client_data);
/* Where to add an event onto the event queue, by queue_event. */
typedef enum
{
/* Add at tail of queue. It will be processed in first in first
out order. */
TAIL,
/* Add at head of queue. It will be processed in last in first
out order. */
HEAD
}
queue_position;
/* Exported functions from event-loop.c */
extern void start_event_loop (void);