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92aabad9 | 1 | /* Special use of signals internally. Stub version. |
04277e02 | 2 | Copyright (C) 2014-2019 Free Software Foundation, Inc. |
23fe486b RM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
d2dc5467 AZ |
18 | |
19 | #ifndef __INTERNAL_SIGNALS_H | |
20 | # define __INTERNAL_SIGNALS_H | |
21 | ||
9185f86d ZW |
22 | #include <signal.h> |
23 | #include <sigsetops.h> | |
24 | #include <stdbool.h> | |
25 | ||
d2dc5467 AZ |
26 | static inline bool |
27 | __is_internal_signal (int sig) | |
28 | { | |
29 | return false; | |
30 | } | |
31 | ||
32 | static inline void | |
33 | __clear_internal_signals (sigset_t *set) | |
34 | { | |
35 | } | |
36 | ||
37 | static inline int | |
38 | __libc_signal_block_all (sigset_t *set) | |
39 | { | |
9185f86d ZW |
40 | sigset_t allset; |
41 | __sigfillset (&allset); | |
42 | return __sigprocmask (SIG_BLOCK, &allset, set); | |
d2dc5467 AZ |
43 | } |
44 | ||
45 | static inline int | |
46 | __libc_signal_block_app (sigset_t *set) | |
47 | { | |
9185f86d ZW |
48 | sigset_t allset; |
49 | __sigfillset (&allset); | |
50 | __clear_internal_signals (&allset); | |
51 | return __sigprocmask (SIG_BLOCK, &allset, set); | |
d2dc5467 AZ |
52 | } |
53 | ||
54 | /* Restore current process signal mask. */ | |
55 | static inline int | |
56 | __libc_signal_restore_set (const sigset_t *set) | |
57 | { | |
9185f86d | 58 | return __sigprocmask (SIG_SETMASK, set, NULL); |
d2dc5467 AZ |
59 | } |
60 | ||
61 | ||
62 | #endif /* __INTERNAL_SIGNALS_H */ |