| 1 | //===--- Shutdown.cpp - Unclean exit scenarios ----------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "support/Shutdown.h" |
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| 10 | |
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| 11 | #include <atomic> |
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| 12 | #include <cstdlib> |
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| 13 | #include <thread> |
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| 14 | |
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| 15 | namespace clang { |
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| 16 | namespace clangd { |
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| 17 | |
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| 18 | void abortAfterTimeout(std::chrono::seconds Timeout) { |
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| 19 | // This is more portable than sys::WatchDog, and yields a stack trace. |
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| 20 | std::thread([Timeout] { |
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| 21 | std::this_thread::sleep_for(rtime: Timeout); |
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| 22 | std::abort(); |
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| 23 | }).detach(); |
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| 24 | } |
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| 25 | |
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| 26 | static std::atomic<bool> ShutdownRequested = {false}; |
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| 27 | |
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| 28 | void requestShutdown() { |
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| 29 | if (ShutdownRequested.exchange(i: true)) |
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| 30 | // This is the second shutdown request. Exit hard. |
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| 31 | std::abort(); |
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| 32 | } |
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| 33 | |
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| 34 | bool shutdownRequested() { return ShutdownRequested; } |
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| 35 | |
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| 36 | } // namespace clangd |
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| 37 | } // namespace clang |
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| 38 | |
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