githubmirror/bitcoin

src/common/system.h

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rpc: make `uptime` monotonic across NTP jumps

19 янв 2026, 19:08

19 янв 2026, 19:0814f99cf

// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_COMMON_SYSTEM_H
#define BITCOIN_COMMON_SYSTEM_H

#include <bitcoin-build-config.h> // IWYU pragma: keep
#include <util/time.h>

#include <chrono>
#include <cstdint>
#include <optional>
#include <string>

/// Monotonic uptime (not affected by system time changes).
SteadyClock::duration GetUptime();

void SetupEnvironment();
[[nodiscard]] bool SetupNetworking();
#ifndef WIN32
std::string ShellEscape(const std::string& arg);
#endif
#if HAVE_SYSTEM
void runCommand(const std::string& strCommand);
#endif

/**
 * Return the number of cores available on the current system.
 * @note This does count virtual cores, such as those provided by HyperThreading.
 */
int GetNumCores();

/**
 * Return the total RAM available on the current system, if detectable.
 */
std::optional<size_t> GetTotalRAM();

#endif // BITCOIN_COMMON_SYSTEM_H