1/*
2 * Copyright (c) 2008, 2009 Apple Computer, Inc.  All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License").  You may not use this file except in compliance with the
9 * License.  Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22
23#include <stdbool.h>
24#include <signal.h>
25
26static volatile sig_atomic_t do_exit = 0;
27
28static void sigint_handler(int s) {
29    do_exit = 1;
30}
31
32void top_signal_init(void) {
33    signal(SIGINT, sigint_handler);
34}
35
36bool top_signal_is_exit_set(void) {
37    return (do_exit) ? true : false;
38}
39