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comparison clang-tools-extra/clangd/support/Shutdown.cpp @ 173:0572611fdcc8 llvm10 llvm12

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reorgnization done
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 11:55:54 +0900
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172:9fbae9c8bf63 173:0572611fdcc8
1 //===--- Shutdown.cpp - Unclean exit scenarios ----------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "support/Shutdown.h"
10
11 #include <atomic>
12 #include <cstdlib>
13 #include <thread>
14
15 namespace clang {
16 namespace clangd {
17
18 void abortAfterTimeout(std::chrono::seconds Timeout) {
19 // This is more portable than sys::WatchDog, and yields a stack trace.
20 std::thread([Timeout] {
21 std::this_thread::sleep_for(Timeout);
22 std::abort();
23 }).detach();
24 }
25
26 static std::atomic<bool> ShutdownRequested = {false};
27
28 void requestShutdown() {
29 if (ShutdownRequested.exchange(true))
30 // This is the second shutdown request. Exit hard.
31 std::abort();
32 }
33
34 bool shutdownRequested() { return ShutdownRequested; }
35
36 } // namespace clangd
37 } // namespace clang