| /* System-specific extensions of <signal.h>, Linux version. |
| Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <https://www.gnu.org/licenses/>. */ |
| |
| #ifndef _SIGNAL_H |
| # error "Never include <bits/signal_ext.h> directly; use <signal.h> instead." |
| #endif |
| |
| #ifdef __USE_GNU |
| |
| /* Send SIGNAL to the thread TID in the thread group (process) |
| identified by TGID. This function behaves like kill, but also |
| fails with ESRCH if the specified TID does not belong to the |
| specified thread group. */ |
| extern int tgkill (__pid_t __tgid, __pid_t __tid, int __signal); |
| |
| #endif /* __USE_GNU */ |
