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feeb7b816a
Use SignalInterrupt object instead. There is a slight change in behavior here because the previous StartShutdown code used to abort on failure and the new code logs errors instead.
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// Copyright (c) 2023 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_NODE_KERNEL_NOTIFICATIONS_H
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#define BITCOIN_NODE_KERNEL_NOTIFICATIONS_H
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#include <kernel/notifications_interface.h>
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#include <atomic>
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#include <cstdint>
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#include <string>
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class ArgsManager;
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class CBlockIndex;
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enum class SynchronizationState;
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struct bilingual_str;
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namespace util {
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class SignalInterrupt;
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} // namespace util
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namespace node {
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static constexpr int DEFAULT_STOPATHEIGHT{0};
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class KernelNotifications : public kernel::Notifications
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{
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public:
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KernelNotifications(util::SignalInterrupt& shutdown, std::atomic<int>& exit_status) : m_shutdown(shutdown), m_exit_status{exit_status} {}
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[[nodiscard]] kernel::InterruptResult blockTip(SynchronizationState state, CBlockIndex& index) override;
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void headerTip(SynchronizationState state, int64_t height, int64_t timestamp, bool presync) override;
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void progress(const bilingual_str& title, int progress_percent, bool resume_possible) override;
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void warning(const bilingual_str& warning) override;
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void flushError(const std::string& debug_message) override;
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void fatalError(const std::string& debug_message, const bilingual_str& user_message = {}) override;
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//! Block height after which blockTip notification will return Interrupted{}, if >0.
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int m_stop_at_height{DEFAULT_STOPATHEIGHT};
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//! Useful for tests, can be set to false to avoid shutdown on fatal error.
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bool m_shutdown_on_fatal_error{true};
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private:
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util::SignalInterrupt& m_shutdown;
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std::atomic<int>& m_exit_status;
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};
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void ReadNotificationArgs(const ArgsManager& args, KernelNotifications& notifications);
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} // namespace node
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#endif // BITCOIN_NODE_KERNEL_NOTIFICATIONS_H
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