| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2002-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 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 |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | |
| 20 | /* This is no complete implementation. The file is meant to be |
| 21 | included in the real implementation to provide the wrapper around |
| 22 | __libc_sigaction. */ |
| 23 | |
| 24 | #include <nptl/pthreadP.h> |
| 25 | |
| 26 | /* We use the libc implementation but we tell it to not allow |
| 27 | SIGCANCEL or SIGTIMER to be handled. */ |
| 28 | #define LIBC_SIGACTION 1 |
| 29 | |
| 30 | |
| 31 | int |
| 32 | __sigaction (int sig, const struct sigaction *act, struct sigaction *oact) |
| 33 | { |
| 34 | if (__glibc_unlikely (sig == SIGCANCEL || sig == SIGSETXID)) |
| 35 | { |
| 36 | __set_errno (EINVAL); |
| 37 | return -1; |
| 38 | } |
| 39 | |
| 40 | return __libc_sigaction (sig, act, oact); |
| 41 | } |
| 42 | libc_hidden_weak (__sigaction) |
| 43 | weak_alias (__sigaction, sigaction) |