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// Copyright 2021 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#ifndef MUMBLE_PROCESS_RESOLVER_H_
#define MUMBLE_PROCESS_RESOLVER_H_
#include <QtCore/QVector>
#include <cstdint>
#include <memory>
#include <unordered_map>
/// This ProcessResolver can be used to get a QVector of running process names and associated PIDs on multiple
/// platforms. This object is by no means thread-safe!
class ProcessResolver {
public:
using ProcessMap = std::unordered_map< uint64_t, std::unique_ptr< char[] > >;
/// @param resolveImmediately Whether the constructor should directly invoke ProcesResolver::resolve()
ProcessResolver(bool resolveImmediately = true);
virtual ~ProcessResolver();
/// Resolves the namaes and PIDs of the running processes
void resolve();
/// @returns The ProcessMap holding the mapping between PID and process name of all processes
/// found by this resolver
const ProcessMap &getProcessMap() const;
/// @returns The amount of processes that have been resolved by this object
size_t amountOfProcesses() const;
protected:
/// A map containing the PID->name mapping for the found processes
ProcessMap m_processMap;
/// The OS specific implementation of filling in details about running process names and PIDs
void doResolve();
};
#endif // MUMBLE_PROCESS_RESOLVER_H_
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