File: Shutdown.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,245,028 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,675; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (37 lines) | stat: -rw-r--r-- 1,022 bytes parent folder | download | duplicates (24) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
//===--- Shutdown.cpp - Unclean exit scenarios ----------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "support/Shutdown.h"

#include <atomic>
#include <cstdlib>
#include <thread>

namespace clang {
namespace clangd {

void abortAfterTimeout(std::chrono::seconds Timeout) {
  // This is more portable than sys::WatchDog, and yields a stack trace.
  std::thread([Timeout] {
    std::this_thread::sleep_for(Timeout);
    std::abort();
  }).detach();
}

static std::atomic<bool> ShutdownRequested = {false};

void requestShutdown() {
  if (ShutdownRequested.exchange(true))
    // This is the second shutdown request. Exit hard.
    std::abort();
}

bool shutdownRequested() { return ShutdownRequested; }

} // namespace clangd
} // namespace clang