| /* Copyright (C) 1991-2016 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <signal.h> |
| |
| |
| /* If SET is not NULL, modify the current set of blocked signals |
| according to HOW, which may be SIG_BLOCK, SIG_UNBLOCK or SIG_SETMASK. |
| If OSET is not NULL, store the old set of blocked signals in *OSET. */ |
| int |
| __sigprocmask (int how, const sigset_t *set, sigset_t *oset) |
| { |
| switch (how) |
| { |
| case SIG_BLOCK: |
| case SIG_UNBLOCK: |
| case SIG_SETMASK: |
| break; |
| default: |
| __set_errno (EINVAL); |
| return -1; |
| } |
| |
| __set_errno (ENOSYS); |
| return -1; |
| } |
| |
| /* No stub warning because abort calls __sigprocmask, |
| and we don't want warnings for every use of abort on |
| a system without safe signals. */ |
| |
| weak_alias (__sigprocmask, sigprocmask) |