1 //===-- ThreadCollection.cpp ------------------------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 #include <stdlib.h>
10
11 #include <algorithm>
12 #include <mutex>
13
14 #include "lldb/Target/Thread.h"
15 #include "lldb/Target/ThreadCollection.h"
16
17 using namespace lldb;
18 using namespace lldb_private;
19
ThreadCollection()20 ThreadCollection::ThreadCollection() : m_threads(), m_mutex() {}
21
ThreadCollection(collection threads)22 ThreadCollection::ThreadCollection(collection threads)
23 : m_threads(threads), m_mutex() {}
24
AddThread(const ThreadSP & thread_sp)25 void ThreadCollection::AddThread(const ThreadSP &thread_sp) {
26 std::lock_guard<std::recursive_mutex> guard(GetMutex());
27 m_threads.push_back(thread_sp);
28 }
29
AddThreadSortedByIndexID(const ThreadSP & thread_sp)30 void ThreadCollection::AddThreadSortedByIndexID(const ThreadSP &thread_sp) {
31 std::lock_guard<std::recursive_mutex> guard(GetMutex());
32 // Make sure we always keep the threads sorted by thread index ID
33 const uint32_t thread_index_id = thread_sp->GetIndexID();
34 if (m_threads.empty() || m_threads.back()->GetIndexID() < thread_index_id)
35 m_threads.push_back(thread_sp);
36 else {
37 m_threads.insert(
38 std::upper_bound(m_threads.begin(), m_threads.end(), thread_sp,
39 [](const ThreadSP &lhs, const ThreadSP &rhs) -> bool {
40 return lhs->GetIndexID() < rhs->GetIndexID();
41 }),
42 thread_sp);
43 }
44 }
45
InsertThread(const lldb::ThreadSP & thread_sp,uint32_t idx)46 void ThreadCollection::InsertThread(const lldb::ThreadSP &thread_sp,
47 uint32_t idx) {
48 std::lock_guard<std::recursive_mutex> guard(GetMutex());
49 if (idx < m_threads.size())
50 m_threads.insert(m_threads.begin() + idx, thread_sp);
51 else
52 m_threads.push_back(thread_sp);
53 }
54
GetSize()55 uint32_t ThreadCollection::GetSize() {
56 std::lock_guard<std::recursive_mutex> guard(GetMutex());
57 return m_threads.size();
58 }
59
GetThreadAtIndex(uint32_t idx)60 ThreadSP ThreadCollection::GetThreadAtIndex(uint32_t idx) {
61 std::lock_guard<std::recursive_mutex> guard(GetMutex());
62 ThreadSP thread_sp;
63 if (idx < m_threads.size())
64 thread_sp = m_threads[idx];
65 return thread_sp;
66 }
67