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/* Remote notification in GDB protocol
Copyright (C) 1988-2013 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/>. */
#ifndef REMOTE_NOTIF_H
#define REMOTE_NOTIF_H
#include "queue.h"
/* An event of a type of async remote notification. */
struct notif_event
{
/* Destructor. Release everything from SELF, but not SELF
itself. */
void (*dtr) (struct notif_event *self);
};
/* A client to a sort of async remote notification. */
typedef struct notif_client
{
/* The name of notification packet. */
const char *name;
/* The packet to acknowledge a previous reply. */
const char *ack_command;
/* Parse BUF to get the expected event and update EVENT. This
function may throw exception if contents in BUF is not the
expected event. */
void (*parse) (struct notif_client *self, char *buf,
struct notif_event *event);
/* Send field <ack_command> to remote, and do some checking. If
something wrong, throw an exception. */
void (*ack) (struct notif_client *self, char *buf,
struct notif_event *event);
/* Check this notification client can get pending events in
'remote_notif_process'. */
int (*can_get_pending_events) (struct notif_client *self);
/* Allocate an event. */
struct notif_event *(*alloc_event) (void);
/* One pending event. This is where we keep it until it is
acknowledged. When there is a notification packet, parse it,
and create an object of 'struct notif_event' to assign to
it. This field is unchanged until GDB starts to ack this
notification (which is done by
remote.c:remote_notif_pending_replies). */
struct notif_event *pending_event;
} *notif_client_p;
void remote_notif_ack (struct notif_client *nc, char *buf);
struct notif_event *remote_notif_parse (struct notif_client *nc,
char *buf);
void handle_notification (char *buf);
void remote_notif_register_async_event_handler (void);
void remote_notif_unregister_async_event_handler (void);
void remote_notif_process (struct notif_client *except);
extern struct notif_client notif_client_stop;
extern unsigned int notif_debug;
#endif /* REMOTE_NOTIF_H */
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