mdb_callb.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _MDB_CALLB_H
#define _MDB_CALLB_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <mdb/mdb_list.h>
#include <mdb/mdb_module.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Callback facility designed to allow interested parties (dmods, targets, or
* even the core debugger framework) to register for notification when certain
* "interesting" events occur.
*/
/*
* Callback classes:
* (MDB_CALLBACK_* definitions in the module API need to be in sync with these)
*/
#define MDB_CALLB_STCHG 1 /* System execution state change */
#define MDB_CALLB_PROMPT 2 /* Before printing the prompt */
typedef void (*mdb_callb_f)(void *);
typedef struct mdb_callb {
mdb_list_t cb_list; /* List of callbacks */
mdb_module_t *cb_mod; /* Requesting module (if any) */
int cb_class; /* When to notify */
mdb_callb_f cb_func; /* Function to invoke */
void *cb_arg; /* Argument for cb_func */
} mdb_callb_t;
extern mdb_callb_t *mdb_callb_add(mdb_module_t *, int, mdb_callb_f, void *);
extern void mdb_callb_remove(mdb_callb_t *);
extern void mdb_callb_remove_by_mod(mdb_module_t *);
extern void mdb_callb_remove_all(void);
extern void mdb_callb_fire(int);
#ifdef __cplusplus
}
#endif
#endif /* _MDB_CALLB_H */