clang-tools  14.0.0git
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 
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 
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
Shutdown.h
clang::clangd::ShutdownRequested
static std::atomic< bool > ShutdownRequested
Definition: Shutdown.cpp:26
clang::clangd::abortAfterTimeout
void abortAfterTimeout(std::chrono::seconds Timeout)
Causes this process to crash if still running after Timeout.
Definition: Shutdown.cpp:18
clang::clangd::requestShutdown
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
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition: ApplyReplacements.h:27
clang::clangd::shutdownRequested
bool shutdownRequested()
Checks whether requestShutdown() was called.
Definition: Shutdown.cpp:34