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//===-- SBQueue.cpp ---------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/lldb-python.h"
#include "lldb/API/SBQueue.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBThread.h"
#include "lldb/Core/Log.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Queue.h"
#include "lldb/Target/QueueItem.h"
#include "lldb/Target/Thread.h"
using namespace lldb;
using namespace lldb_private;
//----------------------------------------------------------------------
// Constructors
//----------------------------------------------------------------------
SBQueue::SBQueue () :
m_queue_wp(),
m_threads(),
m_thread_list_fetched(false),
m_items(),
m_queue_items_fetched(false)
{
}
SBQueue::SBQueue (const QueueSP& queue_sp) :
m_queue_wp(queue_sp),
m_threads(),
m_thread_list_fetched(false),
m_items(),
m_queue_items_fetched(false)
{
}
//----------------------------------------------------------------------
// Destructor
//----------------------------------------------------------------------
SBQueue::~SBQueue()
{
m_threads.clear();
m_items.clear();
}
bool
SBQueue::IsValid() const
{
QueueSP queue_sp = m_queue_wp.lock();
return queue_sp.get() != NULL;
}
void
SBQueue::Clear ()
{
m_queue_wp.reset();
m_thread_list_fetched = false;
m_threads.clear();
m_queue_items_fetched = false;
m_items.clear();
}
void
SBQueue::SetQueue (const QueueSP& queue_sp)
{
m_queue_wp = queue_sp;
m_thread_list_fetched = false;
m_threads.clear();
m_queue_items_fetched = false;
m_items.clear();
}
lldb::queue_id_t
SBQueue::GetQueueID () const
{
queue_id_t result = LLDB_INVALID_QUEUE_ID;
QueueSP queue_sp = m_queue_wp.lock();
if (queue_sp)
{
result = queue_sp->GetID();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBQueue(%p)::GetQueueID () => 0x%" PRIx64, this, result);
return result;
}
uint32_t
SBQueue::GetIndexID () const
{
uint32_t result = LLDB_INVALID_INDEX32;
QueueSP queue_sp = m_queue_wp.lock();
if (queue_sp)
{
result = queue_sp->GetIndexID();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBQueue(%p)::GetIndexID () => %d", this, result);
return result;
}
const char *
SBQueue::GetName () const
{
const char *name = NULL;
QueueSP queue_sp = m_queue_wp.lock ();
if (queue_sp.get())
{
name = queue_sp->GetName();
}
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBQueue(%p)::GetName () => %s", this, name ? name : "NULL");
return name;
}
void
SBQueue::FetchThreads ()
{
if (m_thread_list_fetched == false)
{
QueueSP queue_sp = m_queue_wp.lock();
if (queue_sp)
{
Process::StopLocker stop_locker;
if (stop_locker.TryLock (&queue_sp->GetProcess()->GetRunLock()))
{
const std::vector<ThreadSP> thread_list(queue_sp->GetThreads());
m_thread_list_fetched = true;
const uint32_t num_threads = thread_list.size();
for (uint32_t idx = 0; idx < num_threads; ++idx)
{
ThreadSP thread_sp = thread_list[idx];
if (thread_sp && thread_sp->IsValid())
{
m_threads.push_back (thread_sp);
}
}
}
}
}
}
void
SBQueue::FetchItems ()
{
if (m_queue_items_fetched == false)
{
QueueSP queue_sp = m_queue_wp.lock();
if (queue_sp)
{
Process::StopLocker stop_locker;
if (stop_locker.TryLock (&queue_sp->GetProcess()->GetRunLock()))
{
const std::vector<QueueItemSP> queue_items(queue_sp->GetItems());
m_queue_items_fetched = true;
const uint32_t num_items = queue_items.size();
for (uint32_t idx = 0; idx < num_items; ++idx)
{
QueueItemSP item = queue_items[idx];
if (item && item->IsValid())
{
m_items.push_back (item);
}
}
}
}
}
}
uint32_t
SBQueue::GetNumThreads ()
{
uint32_t result = 0;
FetchThreads();
if (m_thread_list_fetched)
{
result = m_threads.size();
}
return result;
}
SBThread
SBQueue::GetThreadAtIndex (uint32_t idx)
{
FetchThreads();
SBThread sb_thread;
QueueSP queue_sp = m_queue_wp.lock();
if (queue_sp && idx < m_threads.size())
{
ProcessSP process_sp = queue_sp->GetProcess();
if (process_sp)
{
ThreadSP thread_sp = m_threads[idx].lock();
if (thread_sp)
{
sb_thread.SetThread (thread_sp);
}
}
}
return sb_thread;
}
uint32_t
SBQueue::GetNumItems ()
{
uint32_t result = 0;
FetchItems();
if (m_queue_items_fetched)
{
result = m_items.size();
}
return result;
}
SBQueueItem
SBQueue::GetItemAtIndex (uint32_t idx)
{
SBQueueItem result;
FetchItems();
if (m_queue_items_fetched && idx < m_items.size())
{
result.SetQueueItem (m_items[idx]);
}
return result;
}
SBProcess
SBQueue::GetProcess ()
{
SBProcess result;
QueueSP queue_sp = m_queue_wp.lock();
if (queue_sp)
{
result.SetSP (queue_sp->GetProcess());
}
return result;
}
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