1 | /* Test pthread_kill.c. |
2 | Copyright (C) 2000-2024 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 | #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 (format: "test: %d\n" , pthread_self ()); |
39 | |
40 | err = pthread_kill (pthread_self (), SIGINFO); |
41 | if (err) |
42 | error (status: 1, errnum: err, format: "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 (format: "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 (format: "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 (sig: SIGINFO, act: &sa, oact: 0); |
73 | if (err) |
74 | error (status: 1, errnum: err, format: "sigaction" ); |
75 | |
76 | err = pthread_create (newthread: &testthread, attr: 0, start_routine: test, arg: 0); |
77 | if (err) |
78 | error (status: 1, errnum: err, format: "pthread_create" ); |
79 | |
80 | err = pthread_join (th: testthread, thread_return: &ret); |
81 | if (err) |
82 | error (status: 1, errnum: err, format: "pthread_join" ); |
83 | |
84 | assert (ret == 0); |
85 | |
86 | return 0; |
87 | } |
88 | |