contrib/llvm/tools/lldb/source/API/SBUnixSignals.cpp

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