1 /* 2 * Copyright (c) 1998, 2006, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifndef JDWP_EVENTHANDLER_H 27 #define JDWP_EVENTHANDLER_H 28 29 #include "bag.h" 30 31 typedef jint HandlerID; 32 33 /* structure is read-only for users */ 34 typedef struct HandlerNode_ { 35 HandlerID handlerID; 36 EventIndex ei; 37 jbyte suspendPolicy; 38 jboolean permanent; 39 int needReturnValue; 40 } HandlerNode; 41 42 typedef void (*HandlerFunction)(JNIEnv *env, 43 EventInfo *evinfo, 44 HandlerNode *node, 45 struct bag *eventBag); 46 47 /***** HandlerNode create = alloc + install *****/ 48 49 HandlerNode *eventHandler_alloc(jint filterCount, EventIndex ei, 50 jbyte suspendPolicy); 51 HandlerID eventHandler_allocHandlerID(void); 52 jvmtiError eventHandler_installExternal(HandlerNode *node); 53 HandlerNode *eventHandler_createPermanentInternal(EventIndex ei, 54 HandlerFunction func); 55 HandlerNode *eventHandler_createInternalThreadOnly(EventIndex ei, 56 HandlerFunction func, 57 jthread thread); 58 HandlerNode *eventHandler_createInternalBreakpoint(HandlerFunction func, 59 jthread thread, 60 jclass clazz, 61 jmethodID method, 62 jlocation location); 63 64 /***** HandlerNode free *****/ 65 66 jvmtiError eventHandler_freeAll(EventIndex ei); 67 jvmtiError eventHandler_freeByID(EventIndex ei, HandlerID handlerID); 68 jvmtiError eventHandler_free(HandlerNode *node); 69 void eventHandler_freeClassBreakpoints(jclass clazz); 70 71 /***** HandlerNode manipulation *****/ 72 73 void eventHandler_initialize(jbyte sessionID); 74 void eventHandler_reset(jbyte sessionID); 75 76 void eventHandler_lock(void); 77 void eventHandler_unlock(void); 78 79 80 jclass getMethodClass(jvmtiEnv *jvmti_env, jmethodID method); 81 82 #endif /* _EVENTHANDLER_H */ 83