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33574c17 | 1 | /* Test pthread_kill.c. |
04277e02 | 2 | Copyright (C) 2000-2019 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 | |
17 | <http://www.gnu.org/licenses/>. */ | |
33574c17 ST |
18 | |
19 | #define _GNU_SOURCE | |
20 | ||
21 | #include <pthread.h> | |
22 | #include <signal.h> | |
23 | #include <stdio.h> | |
24 | #include <assert.h> | |
25 | #include <error.h> | |
26 | #include <errno.h> | |
27 | #include <hurd/signal.h> | |
28 | ||
29 | pthread_t testthread; | |
30 | ||
31 | int i; | |
32 | ||
33 | void * | |
34 | test (void *arg) | |
35 | { | |
36 | error_t err; | |
37 | ||
38 | printf ("test: %d\n", pthread_self ()); | |
39 | ||
40 | err = pthread_kill (pthread_self (), SIGINFO); | |
41 | if (err) | |
42 | error (1, err, "pthread_kill"); | |
43 | ||
44 | /* To avoid using condition variables in a signal handler. */ | |
45 | while (i == 0) | |
46 | sched_yield (); | |
47 | ||
48 | return 0; | |
49 | } | |
50 | ||
51 | static void | |
52 | handler (int sig) | |
53 | { | |
54 | assert (pthread_equal (pthread_self (), testthread)); | |
55 | printf ("handler: %d\n", pthread_self ()); | |
56 | i = 1; | |
57 | } | |
58 | ||
59 | int | |
60 | main (int argc, char **argv) | |
61 | { | |
62 | error_t err; | |
63 | struct sigaction sa; | |
64 | void *ret; | |
65 | ||
66 | printf ("main: %d\n", pthread_self ()); | |
67 | ||
68 | sa.sa_handler = handler; | |
69 | sa.sa_mask = 0; | |
70 | sa.sa_flags = 0; | |
71 | ||
72 | err = sigaction (SIGINFO, &sa, 0); | |
73 | if (err) | |
74 | error (1, err, "sigaction"); | |
75 | ||
76 | err = pthread_create (&testthread, 0, test, 0); | |
77 | if (err) | |
78 | error (1, err, "pthread_create"); | |
79 | ||
80 | err = pthread_join (testthread, &ret); | |
81 | if (err) | |
82 | error (1, err, "pthread_join"); | |
83 | ||
84 | assert (ret == 0); | |
85 | ||
86 | return 0; | |
87 | } |