1 | /* Copyright (C) 1997-2016 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | /* Linux/x86_64 only has rt signals, thus we do not even want to try falling |
19 | back to the old style signals as the default Linux handler does. */ |
20 | |
21 | #include <errno.h> |
22 | #include <signal.h> |
23 | #include <unistd.h> |
24 | |
25 | #include <sysdep.h> |
26 | #include <sys/syscall.h> |
27 | |
28 | /* Change the set of blocked signals to SET, |
29 | wait until a signal arrives, and restore the set of blocked signals. */ |
30 | int |
31 | sigpending (sigset_t *set) |
32 | { |
33 | /* XXX The size argument hopefully will have to be changed to the |
34 | real size of the user-level sigset_t. */ |
35 | return INLINE_SYSCALL (rt_sigpending, 2, set, _NSIG / 8); |
36 | } |
37 | |