|  | //===--- Unix/Watchdog.inc - Unix Watchdog Implementation -------*- C++ -*-===// | 
|  | // | 
|  | // 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 | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This file provides the generic Unix implementation of the Watchdog class. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "llvm/Config/config.h" | 
|  |  | 
|  | #ifdef HAVE_UNISTD_H | 
|  | #include <unistd.h> | 
|  | #endif | 
|  |  | 
|  | namespace llvm { | 
|  | namespace sys { | 
|  | Watchdog::Watchdog(unsigned int seconds) { | 
|  | #ifdef HAVE_UNISTD_H | 
|  | alarm(seconds); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | Watchdog::~Watchdog() { | 
|  | #ifdef HAVE_UNISTD_H | 
|  | alarm(0); | 
|  | #endif | 
|  | } | 
|  | } | 
|  | } |