| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2002, 2003, 2005 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, write to the Free |
| 17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | 02111-1307 USA. */ |
| 19 | |
| 20 | #include <pthreadP.h> |
| 21 | #include <signal.h> |
| 22 | |
| 23 | /* We use the libc implementation but we tell it to not allow |
| 24 | SIGCANCEL or SIGTIMER to be handled. */ |
| 25 | |
| 26 | extern __typeof(sigaction) __libc_sigaction; |
| 27 | int |
| 28 | __sigaction (int sig, const struct sigaction *act, struct sigaction *oact) |
| 29 | { |
| 30 | if (unlikely (sig == SIGCANCEL || sig == SIGSETXID)) |
| 31 | { |
| 32 | __set_errno (EINVAL); |
| 33 | return -1; |
| 34 | } |
| 35 | |
| 36 | return __libc_sigaction (sig, act, oact); |
| 37 | } |
| 38 | libc_hidden_proto(sigaction) |
| 39 | weak_alias (__sigaction, sigaction) |
| 40 | libc_hidden_weak(sigaction) |