src/kits/debugger/jobs/GetCPUStateJob.cpp

   1 /*
   2  * Copyright 2012-2016, Rene Gollent, rene@gollent.com.
   3  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   4  * Distributed under the terms of the MIT License.
   5  */
   6
   7 #include "Jobs.h"
   8
   9 #include <AutoLocker.h>
  10
  11 #include "CpuState.h"
  12 #include "DebuggerInterface.h"
  13 #include "Team.h"
  14 #include "Thread.h"
  15
  16
  17 GetCpuStateJob::GetCpuStateJob(DebuggerInterface* debuggerInterface,
  18         ::Thread* thread)
  19         :
  20         fKey(thread, JOB_TYPE_GET_CPU_STATE),
  21         fDebuggerInterface(debuggerInterface),
  22         fThread(thread)
  23 {
  24         fThread->AcquireReference();
  25 }
  26
  27
  28 GetCpuStateJob::~GetCpuStateJob()
  29 {
  30         fThread->ReleaseReference();
  31 }
  32
  33
  34 const JobKey&
  35 GetCpuStateJob::Key() const
  36 {
  37         return fKey;
  38 }
  39
  40
  41 status_t
  42 GetCpuStateJob::Do()
  43 {
  44         CpuState* state;
  45         status_t error = fDebuggerInterface->GetCpuState(fThread->ID(), state);
  46         if (error != B_OK)
  47                 return error;
  48         BReference<CpuState> reference(state, true);
  49
  50         AutoLocker<Team> locker(fThread->GetTeam());
  51
  52         if (fThread->State() == THREAD_STATE_STOPPED)
  53                 fThread->SetCpuState(state);
  54
  55         return B_OK;
  56 }