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1/* raise.c - Generic raise implementation.
2 Copyright (C) 2008-2019 Free Software Foundation, Inc.
3 Written by Neal H. Walfield <neal@gnu.org>.
4
5 This file is part of the GNU Hurd.
6
7 The GNU Hurd is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public License
9 as published by the Free Software Foundation; either version 3 of
10 the License, or (at your option) any later version.
11
12 The GNU Hurd is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this program. If not, see
19 <http://www.gnu.org/licenses/>. */
20
21#include <pthreadP.h>
22#include <signal.h>
23#include <unistd.h>
24
25#pragma weak __pthread_kill
26#pragma weak __pthread_self
27#pragma weak __pthread_threads
28int
29raise (int signo)
30{
31 /* According to POSIX, if we implement threads (and we do), then
32 "the effect of the raise() function shall be equivalent to
33 calling: pthread_kill(pthread_self(), sig);" */
34
35 if (__pthread_kill != NULL && __pthread_threads != NULL)
36 {
37 int err;
38 err = __pthread_kill (__pthread_self (), signo);
39 if (err)
40 {
41 errno = err;
42 return -1;
43 }
44 return 0;
45 }
46 else
47 return __kill (__getpid (), signo);
48}
49
50libc_hidden_def (raise)
51weak_alias (raise, gsignal)
52

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