1 | /* Copyright (C) 1997-2016 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999. |
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 | /* Linux/x86_64 only has rt signals, thus we do not even want to try falling |
20 | back to the old style signals as the default Linux handler does. */ |
21 | |
22 | #include <errno.h> |
23 | #include <signal.h> |
24 | #include <unistd.h> |
25 | |
26 | #include <sysdep.h> |
27 | #include <sys/syscall.h> |
28 | |
29 | /* Get and/or change the set of blocked signals. */ |
30 | int |
31 | __sigprocmask (int how, const sigset_t *set, sigset_t *oset) |
32 | { |
33 | |
34 | /* XXX The size argument hopefully will have to be changed to the |
35 | real size of the user-level sigset_t. */ |
36 | return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8); |
37 | } |
38 | weak_alias (__sigprocmask, sigprocmask) |
39 | |