LLDB  mainline
ThreadCollection.cpp
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1 //===-- ThreadCollection.cpp ------------------------------------*- C++ -*-===//
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 <stdlib.h>
9 
10 #include <algorithm>
11 #include <mutex>
12 
13 #include "lldb/Target/Thread.h"
15 
16 using namespace lldb;
17 using namespace lldb_private;
18 
19 ThreadCollection::ThreadCollection() : m_threads(), m_mutex() {}
20 
22  : m_threads(threads), m_mutex() {}
23 
24 void ThreadCollection::AddThread(const ThreadSP &thread_sp) {
25  std::lock_guard<std::recursive_mutex> guard(GetMutex());
26  m_threads.push_back(thread_sp);
27 }
28 
29 void 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  std::upper_bound(m_threads.begin(), m_threads.end(), thread_sp,
38  [](const ThreadSP &lhs, const ThreadSP &rhs) -> bool {
39  return lhs->GetIndexID() < rhs->GetIndexID();
40  }),
41  thread_sp);
42  }
43 }
44 
45 void 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 
55  std::lock_guard<std::recursive_mutex> guard(GetMutex());
56  return m_threads.size();
57 }
58 
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 }
Enumerations for broadcasting.
Definition: SBLaunchInfo.h:14
void AddThreadSortedByIndexID(const lldb::ThreadSP &thread_sp)
lldb::ThreadSP GetThreadAtIndex(uint32_t idx)
std::vector< lldb::ThreadSP > collection
virtual std::recursive_mutex & GetMutex() const
Definition: SBAddress.h:15
std::recursive_mutex m_mutex
void AddThread(const lldb::ThreadSP &thread_sp)
void InsertThread(const lldb::ThreadSP &thread_sp, uint32_t idx)