diff options
| -rw-r--r-- | gdb/ChangeLog | 9 | ||||
| -rw-r--r-- | gdb/event-loop.c | 40 | ||||
| -rw-r--r-- | gdb/event-loop.h | 12 |
3 files changed, 22 insertions, 39 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 596b5a0..d291b4a 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -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. diff --git a/gdb/event-loop.c b/gdb/event-loop.c index be485c9..aea3b5e 100644 --- a/gdb/event-loop.c +++ b/gdb/event-loop.c @@ -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 diff --git a/gdb/event-loop.h b/gdb/event-loop.h index 16c2286..fc95cf1 100644 --- a/gdb/event-loop.h +++ b/gdb/event-loop.h @@ -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); |