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b168057a | 1 | /* Copyright (C) 1991-2015 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
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5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
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8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
478b92f0 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 17 | |
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18 | #include <errno.h> |
19 | #include <signal.h> | |
20 | ||
21 | ||
22 | /* If SET is not NULL, modify the current set of blocked signals | |
23 | according to HOW, which may be SIG_BLOCK, SIG_UNBLOCK or SIG_SETMASK. | |
24 | If OSET is not NULL, store the old set of blocked signals in *OSET. */ | |
25 | int | |
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26 | __sigprocmask (how, set, oset) |
27 | int how; | |
28 | const sigset_t *set; | |
29 | sigset_t *oset; | |
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30 | { |
31 | switch (how) | |
32 | { | |
33 | case SIG_BLOCK: | |
34 | case SIG_UNBLOCK: | |
35 | case SIG_SETMASK: | |
36 | break; | |
37 | default: | |
c4029823 | 38 | __set_errno (EINVAL); |
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39 | return -1; |
40 | } | |
41 | ||
c4029823 | 42 | __set_errno (ENOSYS); |
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43 | return -1; |
44 | } | |
45 | ||
46 | /* No stub warning because abort calls __sigprocmask, | |
47 | and we don't want warnings for every use of abort on | |
48 | a system without safe signals. */ | |
49 | ||
50 | weak_alias (__sigprocmask, sigprocmask) |