clang-tools 20.0.0git
Shutdown.cpp
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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
15namespace clang {
16namespace clangd {
17
18void 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
26static std::atomic<bool> ShutdownRequested = {false};
27
29 if (ShutdownRequested.exchange(true))
30 // This is the second shutdown request. Exit hard.
31 std::abort();
32}
33
35
36} // namespace clangd
37} // namespace clang
static std::atomic< bool > ShutdownRequested
Definition: Shutdown.cpp:26
void requestShutdown()
Sets a flag to indicate that clangd was sent a shutdown signal, and the transport loop should exit at...
Definition: Shutdown.cpp:28
bool shutdownRequested()
Checks whether requestShutdown() was called.
Definition: Shutdown.cpp:34
void abortAfterTimeout(std::chrono::seconds Timeout)
Causes this process to crash if still running after Timeout.
Definition: Shutdown.cpp:18
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//