1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _MDB_CALLB_H 28 #define _MDB_CALLB_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <mdb/mdb_list.h> 33 #include <mdb/mdb_module.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * Callback facility designed to allow interested parties (dmods, targets, or 41 * even the core debugger framework) to register for notification when certain 42 * "interesting" events occur. 43 */ 44 45 /* 46 * Callback classes: 47 * (MDB_CALLBACK_* definitions in the module API need to be in sync with these) 48 */ 49 #define MDB_CALLB_STCHG 1 /* System execution state change */ 50 #define MDB_CALLB_PROMPT 2 /* Before printing the prompt */ 51 52 typedef void (*mdb_callb_f)(void *); 53 54 typedef struct mdb_callb { 55 mdb_list_t cb_list; /* List of callbacks */ 56 mdb_module_t *cb_mod; /* Requesting module (if any) */ 57 int cb_class; /* When to notify */ 58 mdb_callb_f cb_func; /* Function to invoke */ 59 void *cb_arg; /* Argument for cb_func */ 60 } mdb_callb_t; 61 62 extern mdb_callb_t *mdb_callb_add(mdb_module_t *, int, mdb_callb_f, void *); 63 extern void mdb_callb_remove(mdb_callb_t *); 64 extern void mdb_callb_remove_by_mod(mdb_module_t *); 65 extern void mdb_callb_remove_all(void); 66 extern void mdb_callb_fire(int); 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* _MDB_CALLB_H */ 73