]>
Commit | Line | Data |
---|---|---|
33574c17 | 1 | /* Set a thread's signal state. Hurd on Mach version. |
04277e02 | 2 | Copyright (C) 2002-2019 Free Software Foundation, Inc. |
33574c17 ST |
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 | |
ad2b41bf ST |
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. | |
33574c17 ST |
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 | |
ad2b41bf | 13 | Lesser General Public License for more details. |
33574c17 | 14 | |
ad2b41bf ST |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
33574c17 ST |
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 | error_t | |
27 | __pthread_sigstate (struct __pthread *thread, int how, | |
28 | const sigset_t *set, sigset_t *oset, int clear_pending) | |
29 | { | |
30 | error_t err = 0; | |
31 | struct hurd_sigstate *ss; | |
32 | ||
33 | ss = _hurd_thread_sigstate (thread->kernel_thread); | |
34 | assert (ss); | |
35 | ||
36 | __spin_lock (&ss->lock); | |
37 | ||
38 | if (oset != NULL) | |
39 | *oset = ss->blocked; | |
40 | ||
41 | if (set != NULL) | |
42 | { | |
43 | switch (how) | |
44 | { | |
45 | case SIG_BLOCK: | |
46 | ss->blocked |= *set; | |
47 | break; | |
48 | ||
49 | case SIG_SETMASK: | |
50 | ss->blocked = *set; | |
51 | break; | |
52 | ||
53 | case SIG_UNBLOCK: | |
54 | ss->blocked &= ~*set; | |
55 | break; | |
56 | ||
57 | default: | |
58 | err = EINVAL; | |
59 | break; | |
60 | } | |
61 | ss->blocked &= ~_SIG_CANT_MASK; | |
62 | } | |
63 | ||
64 | if (!err && clear_pending) | |
65 | __sigemptyset (&ss->pending); | |
66 | ||
67 | __spin_unlock (&ss->lock); | |
68 | ||
69 | return err; | |
70 | } |