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2bd0ea18 | 1 | /* |
da23017d NS |
2 | * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
dfc130f3 | 4 | * |
da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
2bd0ea18 | 7 | * published by the Free Software Foundation. |
dfc130f3 | 8 | * |
da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
dfc130f3 | 13 | * |
da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd0ea18 NS |
17 | */ |
18 | ||
6b803e5a | 19 | #include "libxfs.h" |
2bd0ea18 NS |
20 | #include <signal.h> |
21 | #include "sig.h" | |
22 | ||
23 | static int gotintr; | |
24 | static sigset_t intrset; | |
25 | ||
26 | static void | |
27 | interrupt(int sig, siginfo_t *info, void *uc) | |
28 | { | |
29 | gotintr = 1; | |
30 | } | |
31 | ||
32 | void | |
33 | blockint(void) | |
34 | { | |
35 | sigprocmask(SIG_BLOCK, &intrset, NULL); | |
36 | } | |
37 | ||
38 | void | |
39 | clearint(void) | |
40 | { | |
41 | gotintr = 0; | |
42 | } | |
43 | ||
44 | void | |
45 | init_sig(void) | |
46 | { | |
47 | struct sigaction sa; | |
48 | ||
49 | memset(&sa, 0, sizeof(sa)); | |
50 | sa.sa_sigaction = interrupt; | |
51 | sigaction(SIGINT, &sa, NULL); | |
52 | sigemptyset(&intrset); | |
53 | sigaddset(&intrset, SIGINT); | |
54 | } | |
55 | ||
56 | int | |
57 | seenint(void) | |
58 | { | |
59 | return gotintr; | |
60 | } | |
61 | ||
62 | void | |
63 | unblockint(void) | |
64 | { | |
65 | sigprocmask(SIG_UNBLOCK, &intrset, NULL); | |
66 | } |