1 /* pthread_kill.  Hurd version.
2    Copyright (C) 2002-2021 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 #include <pthread.h>
20 #include <assert.h>
21 #include <signal.h>
22 #include <hurd/signal.h>
23 
24 #include <pt-internal.h>
25 
26 int
__pthread_kill(pthread_t thread,int sig)27 __pthread_kill (pthread_t thread, int sig)
28 {
29   struct __pthread *pthread;
30   struct hurd_signal_detail detail;
31   struct hurd_sigstate *ss;
32 
33   /* Lookup the thread structure for THREAD.  */
34   pthread = __pthread_getid (thread);
35   if (pthread == NULL)
36     return ESRCH;
37 
38   ss = _hurd_thread_sigstate (pthread->kernel_thread);
39   assert (ss);
40 
41   if (sig == 0)
42     return 0;
43 
44   detail.exc = 0;
45   detail.code = sig;
46   detail.error = 0;
47 
48   __spin_lock (&ss->lock);
49   return _hurd_raise_signal (ss, sig, &detail);
50 }
51 strong_alias (__pthread_kill, pthread_kill)
52