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/* Notification to GDB.
Copyright (C) 1989-2019 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "target.h"
#include "queue.h"
/* Structure holding information related to a single event. We
keep a queue of these to push to GDB. It can be extended if
the event of given notification contains more information. */
typedef struct notif_event
{
/* C requires that a struct or union has at least one member. */
char dummy;
} *notif_event_p;
DECLARE_QUEUE_P (notif_event_p);
/* A type notification to GDB. An object of 'struct notif_server'
represents a type of notification. */
typedef struct notif_server
{
/* The name of ack packet, for example, 'vStopped'. */
const char *ack_name;
/* The notification packet, for example, '%Stop'. Note that '%' is
not in 'notif_name'. */
const char *notif_name;
/* A queue of events to GDB. A new notif_event can be enque'ed
into QUEUE at any appropriate time, and the notif_reply is
deque'ed only when the ack from GDB arrives. */
QUEUE (notif_event_p) *queue;
/* Write event EVENT to OWN_BUF. */
void (*write) (struct notif_event *event, char *own_buf);
} *notif_server_p;
extern struct notif_server notif_stop;
int handle_notif_ack (char *own_buf, int packet_len);
void notif_write_event (struct notif_server *notif, char *own_buf);
void notif_push (struct notif_server *np, struct notif_event *event);
void notif_event_enque (struct notif_server *notif,
struct notif_event *event);
void initialize_notif (void);
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