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a334319f | 1 | /* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. |
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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 | |
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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. | |
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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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
ffeac417 | 13 | |
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14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
ffeac417 | 18 | |
5ec5c857 | 19 | /* 64 bit Linux for S/390 only has rt signals, thus we do not even want to try |
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20 | falling back to the old style signals as the default Linux handler does. */ |
21 | ||
22 | #include <errno.h> | |
23 | #include <signal.h> | |
24 | #include <string.h> | |
25 | ||
26 | #include <sysdep.h> | |
27 | #include <sys/syscall.h> | |
28 | ||
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29 | /* The variable is shared between all wrappers around signal handling |
30 | functions which have RT equivalents. This is the definition. */ | |
31 | ||
32 | ||
33 | /* If ACT is not NULL, change the action for SIG to *ACT. | |
34 | If OACT is not NULL, put the old action for SIG in *OACT. */ | |
35 | int | |
36 | __libc_sigaction (sig, act, oact) | |
37 | int sig; | |
38 | const struct sigaction *act; | |
39 | struct sigaction *oact; | |
40 | { | |
41 | /* XXX The size argument hopefully will have to be changed to the | |
42 | real size of the user-level sigset_t. */ | |
43 | return INLINE_SYSCALL (rt_sigaction, 4, sig, act, oact, _NSIG / 8); | |
44 | } | |
5ec5c857 | 45 | libc_hidden_def (__libc_sigaction) |
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46 | |
47 | #ifndef LIBC_SIGACTION | |
ffeac417 | 48 | weak_alias (__libc_sigaction, __sigaction) |
37ba7d66 | 49 | libc_hidden_weak (__sigaction) |
ffeac417 | 50 | weak_alias (__libc_sigaction, sigaction) |
bf293afe | 51 | #endif |