| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2003, 2005 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. |
| 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, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | /* Somebody please explain what's going on here. --vda */ |
| 21 | |
| 22 | /* This is tricky. GCC doesn't like #include_next in the primary |
| 23 | source file and even if it did, the first #include_next is this |
| 24 | exact file anyway. */ |
| 25 | #ifndef LIBC_SIGACTION |
| 26 | |
| 27 | # include <bits/libc-lock.h> |
| 28 | |
| 29 | # define LIBC_SIGACTION 1 |
| 30 | |
| 31 | # include "sigaction.c" |
| 32 | |
| 33 | # ifndef NOT_IN_libc |
| 34 | # ifndef SHARED |
| 35 | weak_extern (__pthread_sigaction) |
| 36 | # endif |
| 37 | |
| 38 | int |
| 39 | __sigaction (sig, act, oact) |
| 40 | int sig; |
| 41 | const struct sigaction *act; |
| 42 | struct sigaction *oact; |
| 43 | { |
| 44 | return __libc_maybe_call2 (pthread_sigaction, (sig, act, oact), |
| 45 | __libc_sigaction (sig, act, oact)); |
| 46 | } |
| 47 | # else |
| 48 | weak_alias (__libc_sigaction, __sigaction) |
| 49 | # endif |
| 50 | libc_hidden_weak (__sigaction) |
| 51 | weak_alias (__sigaction, sigaction) |
| 52 | |
| 53 | #else |
| 54 | |
| 55 | # include_next <sigaction.c> |
| 56 | |
| 57 | #endif /* LIBC_SIGACTION */ |