1 | /* Test signals. |
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 <unistd.h> |
23 | #include <stdio.h> |
24 | #include <errno.h> |
25 | #include <error.h> |
26 | #include <assert.h> |
27 | #include <sys/resource.h> |
28 | #include <sys/wait.h> |
29 | |
30 | void * |
31 | thr (void *arg) |
32 | { |
33 | *(int *) 0 = 0; |
34 | return 0; |
35 | } |
36 | |
37 | int foobar; |
38 | |
39 | int |
40 | main (int argc, char *argv[]) |
41 | { |
42 | error_t err; |
43 | pid_t child; |
44 | |
45 | struct rlimit limit; |
46 | |
47 | limit.rlim_cur = 0; |
48 | limit.rlim_max = 0; |
49 | |
50 | err = setrlimit (RLIMIT_CORE, rlimits: &limit); |
51 | if (err) |
52 | error (status: 1, errnum: err, format: "setrlimit" ); |
53 | |
54 | child = fork (); |
55 | switch (child) |
56 | { |
57 | case -1: |
58 | error (status: 1, errno, format: "fork" ); |
59 | break; |
60 | |
61 | case 0: |
62 | { |
63 | pthread_t tid; |
64 | void *ret; |
65 | |
66 | err = pthread_create (newthread: &tid, attr: 0, start_routine: thr, arg: 0); |
67 | if (err) |
68 | error (status: 1, errnum: err, format: "pthread_create" ); |
69 | |
70 | err = pthread_join (th: tid, thread_return: &ret); |
71 | assert_perror (err); |
72 | |
73 | /* Should have never returned. Our parent expects us to fail |
74 | thus we succeed and indicate the error. */ |
75 | return 0; |
76 | } |
77 | |
78 | default: |
79 | { |
80 | pid_t pid; |
81 | int status; |
82 | |
83 | pid = waitpid (pid: child, stat_loc: &status, options: 0); |
84 | printf (format: "pid = %d; child = %d; status = %d\n" , pid, child, status); |
85 | assert (pid == child); |
86 | assert (status != 0); |
87 | } |
88 | } |
89 | |
90 | return 0; |
91 | } |
92 | |