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authorJason Molenda <jmolenda@apple.com>1999-09-13 21:40:00 +0000
committerJason Molenda <jmolenda@apple.com>1999-09-13 21:40:00 +0000
commitcff3e48be70e018476521d0f62705c29f4112771 (patch)
tree09899684e1ac06491418cb186525498ba0a60544 /gdb/event-loop.c
parent59f2c4e703f7c5f894322210c24e0ffc4c1c56eb (diff)
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import gdb-1999-09-13 snapshot
Diffstat (limited to 'gdb/event-loop.c')
-rw-r--r--gdb/event-loop.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/gdb/event-loop.c b/gdb/event-loop.c
index 78ecb63..261c838 100644
--- a/gdb/event-loop.c
+++ b/gdb/event-loop.c
@@ -122,6 +122,7 @@ static int async_handler_ready = 0;
static void create_file_handler PARAMS ((int, int, handler_func *, gdb_client_data));
static void invoke_async_signal_handler PARAMS ((void));
+static void handle_file_event PARAMS ((int));
static int gdb_wait_for_event PARAMS ((void));
static int gdb_do_one_event PARAMS ((void));
static int check_async_ready PARAMS ((void));
@@ -164,6 +165,22 @@ async_queue_event (event_ptr, position)
}
}
+/* Create a file event, to be enqueued in the event queue for
+ processing. The procedure associated to this event is always
+ handle_file_event, which will in turn invoke the one that was
+ associated to FD when it was registered with the event loop. */
+gdb_event *
+create_file_event (fd)
+ int fd;
+{
+ gdb_event *file_event_ptr;
+
+ file_event_ptr = (gdb_event *) xmalloc (sizeof (gdb_event));
+ file_event_ptr->proc = handle_file_event;
+ file_event_ptr->fd = fd;
+ return (file_event_ptr);
+}
+
/* Process one event.
The event can be the next one to be serviced in the event queue,
or an asynchronous event handler can be invoked in response to
@@ -439,11 +456,6 @@ delete_file_handler (fd)
if (file_ptr == NULL)
return;
- /* Deactivate the file descriptor, by clearing its mask,
- so that it will not fire again. */
-
- file_ptr->mask = 0;
-
#ifdef HAVE_POLL
/* Create a new poll_fds array by copying every fd's information but the
one we want to get rid of. */
@@ -500,6 +512,11 @@ delete_file_handler (fd)
}
#endif /* HAVE_POLL */
+ /* Deactivate the file descriptor, by clearing its mask,
+ so that it will not fire again. */
+
+ file_ptr->mask = 0;
+
/* Get rid of the file handler in the file handler list. */
if (file_ptr == gdb_notifier.first_file_handler)
gdb_notifier.first_file_handler = file_ptr->next_file;
@@ -634,10 +651,7 @@ gdb_wait_for_event ()
this fd. */
if (file_ptr->ready_mask == 0)
{
- file_event_ptr =
- (gdb_event *) xmalloc (sizeof (gdb_event));
- file_event_ptr->proc = handle_file_event;
- file_event_ptr->fd = file_ptr->fd;
+ file_event_ptr = create_file_event (file_ptr->fd);
async_queue_event (file_event_ptr, TAIL);
}
}
@@ -671,10 +685,7 @@ gdb_wait_for_event ()
if (file_ptr->ready_mask == 0)
{
- file_event_ptr =
- (gdb_event *) xmalloc (sizeof (gdb_event));
- file_event_ptr->proc = handle_file_event;
- file_event_ptr->fd = file_ptr->fd;
+ file_event_ptr = create_file_event (file_ptr->fd);
async_queue_event (file_event_ptr, TAIL);
}
file_ptr->ready_mask = mask;