llvm-project/lldb/source/Target/ThreadCollection.cpp

83 lines
2.3 KiB
C++

//===-- ThreadCollection.cpp ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <stdlib.h>
#include <algorithm>
#include <mutex>
#include "lldb/Target/ThreadCollection.h"
#include "lldb/Target/Thread.h"
using namespace lldb;
using namespace lldb_private;
ThreadCollection::ThreadCollection() :
m_threads(),
m_mutex()
{
}
ThreadCollection::ThreadCollection(collection threads) :
m_threads(threads),
m_mutex()
{
}
void
ThreadCollection::AddThread (const ThreadSP &thread_sp)
{
std::lock_guard<std::recursive_mutex> guard(GetMutex());
m_threads.push_back (thread_sp);
}
void
ThreadCollection::AddThreadSortedByIndexID (const ThreadSP &thread_sp)
{
std::lock_guard<std::recursive_mutex> guard(GetMutex());
// Make sure we always keep the threads sorted by thread index ID
const uint32_t thread_index_id = thread_sp->GetIndexID();
if (m_threads.empty() || m_threads.back()->GetIndexID() < thread_index_id)
m_threads.push_back (thread_sp);
else
{
m_threads.insert(std::upper_bound(m_threads.begin(), m_threads.end(), thread_sp,
[] (const ThreadSP &lhs, const ThreadSP &rhs) -> bool
{
return lhs->GetIndexID() < rhs->GetIndexID();
}), thread_sp);
}
}
void
ThreadCollection::InsertThread (const lldb::ThreadSP &thread_sp, uint32_t idx)
{
std::lock_guard<std::recursive_mutex> guard(GetMutex());
if (idx < m_threads.size())
m_threads.insert(m_threads.begin() + idx, thread_sp);
else
m_threads.push_back (thread_sp);
}
uint32_t
ThreadCollection::GetSize ()
{
std::lock_guard<std::recursive_mutex> guard(GetMutex());
return m_threads.size();
}
ThreadSP
ThreadCollection::GetThreadAtIndex (uint32_t idx)
{
std::lock_guard<std::recursive_mutex> guard(GetMutex());
ThreadSP thread_sp;
if (idx < m_threads.size())
thread_sp = m_threads[idx];
return thread_sp;
}