1/* Signal handling function for threaded programs.
2 Copyright (C) 1998-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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 License as
7 published by the Free Software Foundation; either version 2.1 of the
8 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; see the file COPYING.LIB. If
17 not, see <https://www.gnu.org/licenses/>. */
18
19#ifndef _BITS_SIGTHREAD_H
20#define _BITS_SIGTHREAD_H 1
21
22#if !defined _SIGNAL_H && !defined _PTHREAD_H
23# error "Never include this file directly. Use <signal.h> instead"
24#endif
25
26/* Functions for handling signals. */
27#include <bits/types/__sigset_t.h>
28
29/* Modify the signal mask for the calling thread. The arguments have
30 the same meaning as for sigprocmask(2). */
31extern int pthread_sigmask (int __how,
32 const __sigset_t *__restrict __newmask,
33 __sigset_t *__restrict __oldmask)__THROW;
34
35/* Send signal SIGNO to the given thread. */
36extern int pthread_kill (pthread_t __threadid, int __signo) __THROW;
37
38#ifdef __USE_GNU
39/* Queue signal and data to a thread. */
40extern int pthread_sigqueue (pthread_t __threadid, int __signo,
41 const union sigval __value) __THROW;
42#endif
43
44#endif /* bits/sigthread.h */
45

source code of glibc/sysdeps/pthread/bits/sigthread.h