6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
62 lines
1.5 KiB
C++
62 lines
1.5 KiB
C++
//===-- ThreadSafeDenseMap.h ------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_UTILITY_THREADSAFEDENSEMAP_H
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#define LLDB_UTILITY_THREADSAFEDENSEMAP_H
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#include <mutex>
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#include "llvm/ADT/DenseMap.h"
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namespace lldb_private {
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template <typename _KeyType, typename _ValueType> class ThreadSafeDenseMap {
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public:
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typedef llvm::DenseMap<_KeyType, _ValueType> LLVMMapType;
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ThreadSafeDenseMap(unsigned map_initial_capacity = 0)
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: m_map(map_initial_capacity), m_mutex() {}
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void Insert(_KeyType k, _ValueType v) {
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std::lock_guard<std::mutex> guard(m_mutex);
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m_map.insert(std::make_pair(k, v));
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}
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void Erase(_KeyType k) {
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std::lock_guard<std::mutex> guard(m_mutex);
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m_map.erase(k);
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}
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_ValueType Lookup(_KeyType k) {
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std::lock_guard<std::mutex> guard(m_mutex);
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return m_map.lookup(k);
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}
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bool Lookup(_KeyType k, _ValueType &v) {
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std::lock_guard<std::mutex> guard(m_mutex);
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auto iter = m_map.find(k), end = m_map.end();
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if (iter == end)
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return false;
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v = iter->second;
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return true;
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}
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void Clear() {
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std::lock_guard<std::mutex> guard(m_mutex);
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m_map.clear();
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}
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protected:
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LLVMMapType m_map;
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std::mutex m_mutex;
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};
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} // namespace lldb_private
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#endif // LLDB_UTILITY_THREADSAFEDENSEMAP_H
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