1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 25 #ifndef _VOS_SIGNAL_HXX_ 26 #define _VOS_SIGNAL_HXX_ 27 28 # include <vos/types.hxx> 29 # include <vos/object.hxx> 30 # include <osl/signal.h> 31 32 namespace vos 33 { 34 35 extern "C" 36 typedef oslSignalAction SignalHandlerFunction_impl(void *, oslSignalInfo *); 37 SignalHandlerFunction_impl signalHandlerFunction_impl; 38 39 /** OSignalHandler is an objectoriented interface for signal handlers. 40 41 @author Ralf Hofmann 42 @version 1.0 43 */ 44 45 class OSignalHandler : public vos::OObject 46 { 47 VOS_DECLARE_CLASSINFO(VOS_NAMESPACE(OSignalHandler, vos)); 48 49 public: 50 51 enum TSignal 52 { 53 TSignal_System = osl_Signal_System, 54 TSignal_Terminate = osl_Signal_Terminate, 55 TSignal_AccessViolation = osl_Signal_AccessViolation, 56 TSignal_IntegerDivideByZero = osl_Signal_IntegerDivideByZero, 57 TSignal_FloatDivideByZero = osl_Signal_FloatDivideByZero, 58 TSignal_DebugBreak = osl_Signal_DebugBreak, 59 TSignal_SignalUser = osl_Signal_User 60 }; 61 62 enum TSignalAction 63 { 64 TAction_CallNextHandler = osl_Signal_ActCallNextHdl, 65 TAction_Ignore = osl_Signal_ActIgnore, 66 TAction_AbortApplication = osl_Signal_ActAbortApp, 67 TAction_KillApplication = osl_Signal_ActKillApp 68 }; 69 70 typedef oslSignalInfo TSignalInfo; 71 72 /// Constructor 73 OSignalHandler(); 74 75 /// Destructor kills thread if neccessary 76 virtual ~OSignalHandler(); 77 78 static TSignalAction SAL_CALL raise(sal_Int32 Signal, void *pData = 0); 79 80 protected: 81 82 /// Working method which should be overridden. 83 virtual TSignalAction SAL_CALL signal(TSignalInfo *pInfo) = 0; 84 85 protected: 86 oslSignalHandler m_hHandler; 87 88 friend oslSignalAction signalHandlerFunction_impl(void *, oslSignalInfo *); 89 }; 90 91 } 92 93 #endif // _VOS_SIGNAL_HXX_ 94 95