1//===-- ThreadCollection.cpp ----------------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8#include <cstdlib> 9 10#include <algorithm> 11#include <mutex> 12 13#include "lldb/Target/Thread.h" 14#include "lldb/Target/ThreadCollection.h" 15 16using namespace lldb; 17using namespace lldb_private; 18 19ThreadCollection::ThreadCollection() : m_threads(), m_mutex() {} 20 21ThreadCollection::ThreadCollection(collection threads) 22 : m_threads(threads), m_mutex() {} 23 24void ThreadCollection::AddThread(const ThreadSP &thread_sp) { 25 std::lock_guard<std::recursive_mutex> guard(GetMutex()); 26 m_threads.push_back(thread_sp); 27} 28 29void ThreadCollection::AddThreadSortedByIndexID(const ThreadSP &thread_sp) { 30 std::lock_guard<std::recursive_mutex> guard(GetMutex()); 31 // Make sure we always keep the threads sorted by thread index ID 32 const uint32_t thread_index_id = thread_sp->GetIndexID(); 33 if (m_threads.empty() || m_threads.back()->GetIndexID() < thread_index_id) 34 m_threads.push_back(thread_sp); 35 else { 36 m_threads.insert( 37 llvm::upper_bound(m_threads, thread_sp, 38 [](const ThreadSP &lhs, const ThreadSP &rhs) -> bool { 39 return lhs->GetIndexID() < rhs->GetIndexID(); 40 }), 41 thread_sp); 42 } 43} 44 45void ThreadCollection::InsertThread(const lldb::ThreadSP &thread_sp, 46 uint32_t idx) { 47 std::lock_guard<std::recursive_mutex> guard(GetMutex()); 48 if (idx < m_threads.size()) 49 m_threads.insert(m_threads.begin() + idx, thread_sp); 50 else 51 m_threads.push_back(thread_sp); 52} 53 54uint32_t ThreadCollection::GetSize() { 55 std::lock_guard<std::recursive_mutex> guard(GetMutex()); 56 return m_threads.size(); 57} 58 59ThreadSP ThreadCollection::GetThreadAtIndex(uint32_t idx) { 60 std::lock_guard<std::recursive_mutex> guard(GetMutex()); 61 ThreadSP thread_sp; 62 if (idx < m_threads.size()) 63 thread_sp = m_threads[idx]; 64 return thread_sp; 65} 66