1 | /* pthread_kill. Hurd version. |
2 | Copyright (C) 2002-2022 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 | #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 |
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 | if (pthread->kernel_thread == MACH_PORT_DEAD) |
39 | /* The pthread ID is still valid but we cannot send a signal any more. */ |
40 | return 0; |
41 | |
42 | ss = _hurd_thread_sigstate (pthread->kernel_thread); |
43 | assert (ss); |
44 | |
45 | if (sig == 0) |
46 | return 0; |
47 | |
48 | detail.exc = 0; |
49 | detail.code = sig; |
50 | detail.error = 0; |
51 | |
52 | __spin_lock (&ss->lock); |
53 | return _hurd_raise_signal (ss, sig, &detail); |
54 | } |
55 | strong_alias (__pthread_kill, pthread_kill) |
56 | |