1 | /* System-specific extensions of <signal.h>, Linux version. |
2 | Copyright (C) 2019-2022 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 |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the 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; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #ifndef _SIGNAL_H |
20 | # error "Never include <bits/signal_ext.h> directly; use <signal.h> instead." |
21 | #endif |
22 | |
23 | #ifdef __USE_GNU |
24 | |
25 | /* Send SIGNAL to the thread TID in the thread group (process) |
26 | identified by TGID. This function behaves like kill, but also |
27 | fails with ESRCH if the specified TID does not belong to the |
28 | specified thread group. */ |
29 | extern int tgkill (__pid_t __tgid, __pid_t __tid, int __signal); |
30 | |
31 | #endif /* __USE_GNU */ |
32 | |