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//===-- ThreadCollection.cpp ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include <cstdlib>
#include <algorithm>
#include <mutex>
#include "lldb/Target/Thread.h"
#include "lldb/Target/ThreadCollection.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;
}
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