1/* Copyright (C) 1991-2022 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 <https://www.gnu.org/licenses/>. */
17
18#include <signal.h>
19#include <errno.h>
20#include <pthread.h>
21
22/* Raise the signal SIG. */
23int
24raise (int sig)
25{
26 int ret = __pthread_kill (__pthread_self (), sig);
27 if (ret != 0)
28 {
29 __set_errno (ret);
30 ret = -1;
31 }
32 return ret;
33}
34libc_hidden_def (raise)
35weak_alias (raise, gsignal)
36

source code of glibc/sysdeps/posix/raise.c