1 //===-- SBUnixSignals.cpp -------------------------------------------*- C++ 2 //-*-===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "lldb/Target/Platform.h" 11 #include "lldb/Target/Process.h" 12 #include "lldb/Target/UnixSignals.h" 13 #include "lldb/Utility/Log.h" 14 #include "lldb/lldb-defines.h" 15 16 #include "lldb/API/SBUnixSignals.h" 17 18 using namespace lldb; 19 using namespace lldb_private; 20 21 SBUnixSignals::SBUnixSignals() {} 22 23 SBUnixSignals::SBUnixSignals(const SBUnixSignals &rhs) 24 : m_opaque_wp(rhs.m_opaque_wp) {} 25 26 SBUnixSignals::SBUnixSignals(ProcessSP &process_sp) 27 : m_opaque_wp(process_sp ? process_sp->GetUnixSignals() : nullptr) {} 28 29 SBUnixSignals::SBUnixSignals(PlatformSP &platform_sp) 30 : m_opaque_wp(platform_sp ? platform_sp->GetUnixSignals() : nullptr) {} 31 32 const SBUnixSignals &SBUnixSignals::operator=(const SBUnixSignals &rhs) { 33 if (this != &rhs) 34 m_opaque_wp = rhs.m_opaque_wp; 35 return *this; 36 } 37 38 SBUnixSignals::~SBUnixSignals() {} 39 40 UnixSignalsSP SBUnixSignals::GetSP() const { return m_opaque_wp.lock(); } 41 42 void SBUnixSignals::SetSP(const UnixSignalsSP &signals_sp) { 43 m_opaque_wp = signals_sp; 44 } 45 46 void SBUnixSignals::Clear() { m_opaque_wp.reset(); } 47 48 bool SBUnixSignals::IsValid() const { return static_cast<bool>(GetSP()); } 49 50 const char *SBUnixSignals::GetSignalAsCString(int32_t signo) const { 51 if (auto signals_sp = GetSP()) 52 return signals_sp->GetSignalAsCString(signo); 53 54 return nullptr; 55 } 56 57 int32_t SBUnixSignals::GetSignalNumberFromName(const char *name) const { 58 if (auto signals_sp = GetSP()) 59 return signals_sp->GetSignalNumberFromName(name); 60 61 return LLDB_INVALID_SIGNAL_NUMBER; 62 } 63 64 bool SBUnixSignals::GetShouldSuppress(int32_t signo) const { 65 if (auto signals_sp = GetSP()) 66 return signals_sp->GetShouldSuppress(signo); 67 68 return false; 69 } 70 71 bool SBUnixSignals::SetShouldSuppress(int32_t signo, bool value) { 72 Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API)); 73 auto signals_sp = GetSP(); 74 75 if (log) { 76 log->Printf("SBUnixSignals(%p)::SetShouldSuppress (signo=%d, value=%d)", 77 static_cast<void *>(signals_sp.get()), signo, value); 78 } 79 80 if (signals_sp) 81 return signals_sp->SetShouldSuppress(signo, value); 82 83 return false; 84 } 85 86 bool SBUnixSignals::GetShouldStop(int32_t signo) const { 87 if (auto signals_sp = GetSP()) 88 return signals_sp->GetShouldStop(signo); 89 90 return false; 91 } 92 93 bool SBUnixSignals::SetShouldStop(int32_t signo, bool value) { 94 Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API)); 95 auto signals_sp = GetSP(); 96 97 if (log) { 98 log->Printf("SBUnixSignals(%p)::SetShouldStop (signo=%d, value=%d)", 99 static_cast<void *>(signals_sp.get()), signo, value); 100 } 101 102 if (signals_sp) 103 return signals_sp->SetShouldStop(signo, value); 104 105 return false; 106 } 107 108 bool SBUnixSignals::GetShouldNotify(int32_t signo) const { 109 if (auto signals_sp = GetSP()) 110 return signals_sp->GetShouldNotify(signo); 111 112 return false; 113 } 114 115 bool SBUnixSignals::SetShouldNotify(int32_t signo, bool value) { 116 Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API)); 117 auto signals_sp = GetSP(); 118 119 if (log) { 120 log->Printf("SBUnixSignals(%p)::SetShouldNotify (signo=%d, value=%d)", 121 static_cast<void *>(signals_sp.get()), signo, value); 122 } 123 124 if (signals_sp) 125 return signals_sp->SetShouldNotify(signo, value); 126 127 return false; 128 } 129 130 int32_t SBUnixSignals::GetNumSignals() const { 131 if (auto signals_sp = GetSP()) 132 return signals_sp->GetNumSignals(); 133 134 return -1; 135 } 136 137 int32_t SBUnixSignals::GetSignalAtIndex(int32_t index) const { 138 if (auto signals_sp = GetSP()) 139 return signals_sp->GetSignalAtIndex(index); 140 141 return LLDB_INVALID_SIGNAL_NUMBER; 142 } 143