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 #include <mdb/mdb_list.h> 31 #include <mdb/mdb_module.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /* 38 * Callback facility designed to allow interested parties (dmods, targets, or 39 * even the core debugger framework) to register for notification when certain 40 * "interesting" events occur. 41 */ 42 43 /* 44 * Callback classes: 45 * (MDB_CALLBACK_* definitions in the module API need to be in sync with these) 46 */ 47 #define MDB_CALLB_STCHG 1 /* System execution state change */ 48 #define MDB_CALLB_PROMPT 2 /* Before printing the prompt */ 49 50 typedef void (*mdb_callb_f)(void *); 51 52 typedef struct mdb_callb { 53 mdb_list_t cb_list; /* List of callbacks */ 54 mdb_module_t *cb_mod; /* Requesting module (if any) */ 55 int cb_class; /* When to notify */ 56 mdb_callb_f cb_func; /* Function to invoke */ 57 void *cb_arg; /* Argument for cb_func */ 58 } mdb_callb_t; 59 60 extern mdb_callb_t *mdb_callb_add(mdb_module_t *, int, mdb_callb_f, void *); 61 extern void mdb_callb_remove(mdb_callb_t *); 62 extern void mdb_callb_remove_by_mod(mdb_module_t *); 63 extern void mdb_callb_remove_all(void); 64 extern void mdb_callb_fire(int); 65 66 #ifdef __cplusplus 67 } 68 #endif 69 70 #endif /* _MDB_CALLB_H */ 71