1 //===-- UnixSignals.h -------------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef lldb_UnixSignals_h_ 11 #define lldb_UnixSignals_h_ 12 13 // C Includes 14 // C++ Includes 15 #include <string> 16 #include <map> 17 18 // Other libraries and framework includes 19 // Project includes 20 #include "lldb/lldb-private.h" 21 #include "lldb/Core/ConstString.h" 22 23 namespace lldb_private 24 { 25 26 class UnixSignals 27 { 28 public: 29 //------------------------------------------------------------------ 30 // Constructors and Destructors 31 //------------------------------------------------------------------ 32 UnixSignals(); 33 34 virtual 35 ~UnixSignals(); 36 37 const char * 38 GetSignalAsCString (int32_t signo) const; 39 40 bool 41 SignalIsValid (int32_t signo) const; 42 43 int32_t 44 GetSignalNumberFromName (const char *name) const; 45 46 const char * 47 GetSignalInfo (int32_t signo, 48 bool &should_suppress, 49 bool &should_stop, 50 bool &should_notify) const; 51 52 bool 53 GetShouldSuppress (int32_t signo) const; 54 55 bool 56 SetShouldSuppress (int32_t signo, 57 bool value); 58 59 bool 60 SetShouldSuppress (const char *signal_name, 61 bool value); 62 63 bool 64 GetShouldStop (int32_t signo) const; 65 66 bool 67 SetShouldStop (int32_t signo, 68 bool value); 69 bool 70 SetShouldStop (const char *signal_name, 71 bool value); 72 73 bool 74 GetShouldNotify (int32_t signo) const; 75 76 bool 77 SetShouldNotify (int32_t signo, bool value); 78 79 bool 80 SetShouldNotify (const char *signal_name, 81 bool value); 82 83 // These provide an iterator through the signals available on this system. 84 // Call GetFirstSignalNumber to get the first entry, then iterate on GetNextSignalNumber 85 // till you get back LLDB_INVALID_SIGNAL_NUMBER. 86 int32_t 87 GetFirstSignalNumber () const; 88 89 int32_t 90 GetNextSignalNumber (int32_t current_signal) const; 91 92 // We assume that the elements of this object are constant once it is constructed, 93 // since a process should never need to add or remove symbols as it runs. So don't 94 // call these functions anywhere but the constructor of your subclass of UnixSignals or in 95 // your Process Plugin's GetUnixSignals method before you return the UnixSignal object. 96 97 void 98 AddSignal (int signo, 99 const char *name, 100 const char *short_name, 101 bool default_suppress, 102 bool default_stop, 103 bool default_notify, 104 const char *description); 105 106 void 107 RemoveSignal (int signo); 108 109 protected: 110 //------------------------------------------------------------------ 111 // Classes that inherit from UnixSignals can see and modify these 112 //------------------------------------------------------------------ 113 114 struct Signal 115 { 116 ConstString m_name; 117 ConstString m_short_name; 118 std::string m_description; 119 bool m_suppress:1, 120 m_stop:1, 121 m_notify:1; 122 123 Signal (const char *name, 124 const char *short_name, 125 bool default_suppress, 126 bool default_stop, 127 bool default_notify, 128 const char *description); 129 130 ~Signal () {} 131 }; 132 133 void 134 Reset (); 135 136 typedef std::map <int32_t, Signal> collection; 137 138 collection m_signals; 139 140 DISALLOW_COPY_AND_ASSIGN (UnixSignals); 141 }; 142 143 } // Namespace lldb 144 #endif // lldb_UnixSignals_h_ 145
