|
173
|
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
|
