void
ThreadHandler::HandleThreadStateChanged()
{
AutoLocker<Team> locker(fThread->GetTeam());
// cancel jobs for this thread
fWorker->AbortJob(SimpleJobKey(fThread, JOB_TYPE_GET_CPU_STATE));
fWorker->AbortJob(SimpleJobKey(fThread, JOB_TYPE_GET_STACK_TRACE));
// If the thread is stopped and has no CPU state yet, schedule a job.
if (fThread->State() == THREAD_STATE_STOPPED
&& fThread->GetCpuState() == NULL) {
fWorker->ScheduleJob(
new(std::nothrow) GetCpuStateJob(fDebuggerInterface, fThread));
}
}
void
ThreadHandler::HandleCpuStateChanged()
{
AutoLocker<Team> locker(fThread->GetTeam());
// cancel stack trace job for this thread
fWorker->AbortJob(SimpleJobKey(fThread, JOB_TYPE_GET_STACK_TRACE));
// If the thread has a CPU state, but no stack trace yet, schedule a job.
if (fThread->GetCpuState() != NULL && fThread->GetStackTrace() == NULL) {
fWorker->ScheduleJob(
new(std::nothrow) GetStackTraceJob(fDebuggerInterface,
fDebuggerInterface->GetArchitecture(), fThread));
}
}
status_t
GetStackTraceJob::GetImageDebugInfo(Image* image, ImageDebugInfo*& _info)
{
AutoLocker<Team> teamLocker(fThread->GetTeam());
while (image->GetImageDebugInfo() == NULL) {
// schedule a job, if not loaded
ImageDebugInfo* info;
status_t error = LoadImageDebugInfoJob::ScheduleIfNecessary(GetWorker(),
image, &info);
if (error != B_OK)
return error;
if (info != NULL) {
_info = info;
return B_OK;
}
teamLocker.Unlock();
// wait for the job to finish
switch (WaitFor(SimpleJobKey(image, JOB_TYPE_LOAD_IMAGE_DEBUG_INFO))) {
case JOB_DEPENDENCY_SUCCEEDED:
case JOB_DEPENDENCY_NOT_FOUND:
// "Not found" can happen due to a race condition between
// unlocking the worker and starting to wait.
break;
case JOB_DEPENDENCY_FAILED:
case JOB_DEPENDENCY_ABORTED:
default:
return B_ERROR;
}
teamLocker.Lock();
}
_info = image->GetImageDebugInfo();
_info->AcquireReference();
return B_OK;
}
