contrib/llvm/tools/lldb/source/Plugins/Process/FreeBSD/FreeBSDThread.cpp

   1 //===-- FreeBSDThread.cpp ---------------------------------------*- 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 // C Includes
  11 // C++ Includes
  12 // Other libraries and framework includes
  13 #include "lldb/Core/State.h"
  14
  15 // Project includes
  16 #include "FreeBSDThread.h"
  17 #include "ProcessFreeBSD.h"
  18 #include "ProcessPOSIXLog.h"
  19
  20 using namespace lldb;
  21 using namespace lldb_private;
  22
  23 //------------------------------------------------------------------------------
  24 // Constructors and destructors.
  25
  26 FreeBSDThread::FreeBSDThread(Process &process, lldb::tid_t tid)
  27     : POSIXThread(process, tid)
  28 {
  29 }
  30
  31 FreeBSDThread::~FreeBSDThread()
  32 {
  33 }
  34
  35 //------------------------------------------------------------------------------
  36 // ProcessInterface protocol.
  37
  38 void
  39 FreeBSDThread::WillResume(lldb::StateType resume_state)
  40 {
  41     Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (POSIX_LOG_THREAD));
  42     if (log)
  43         log->Printf("tid %lu resume_state = %s", GetID(),
  44                     lldb_private::StateAsCString(resume_state));
  45     ProcessSP process_sp(GetProcess());
  46     ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(process_sp.get());
  47     int signo = GetResumeSignal();
  48     bool signo_valid = process->GetUnixSignals().SignalIsValid(signo);
  49
  50     switch (resume_state)
  51     {
  52     case eStateSuspended:
  53     case eStateStopped:
  54         process->m_suspend_tids.push_back(GetID());
  55         break;
  56     case eStateRunning:
  57         process->m_run_tids.push_back(GetID());
  58         if (signo_valid)
  59             process->m_resume_signo = signo;
  60         break;
  61     case eStateStepping:
  62         process->m_step_tids.push_back(GetID());
  63         if (signo_valid)
  64             process->m_resume_signo = signo;
  65         break;
  66     default:
  67         break;
  68     }
  69 }