1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* Test signals.
Copyright (C) 2000-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#define _GNU_SOURCE
#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <error.h>
#include <assert.h>
#include <sys/resource.h>
#include <sys/wait.h>
void *
thr (void *arg)
{
*(int *) 0 = 0;
return 0;
}
int foobar;
int
main (int argc, char *argv[])
{
error_t err;
pid_t child;
struct rlimit limit;
limit.rlim_cur = 0;
limit.rlim_max = 0;
err = setrlimit (RLIMIT_CORE, &limit);
if (err)
error (1, err, "setrlimit");
child = fork ();
switch (child)
{
case -1:
error (1, errno, "fork");
break;
case 0:
{
pthread_t tid;
void *ret;
err = pthread_create (&tid, 0, thr, 0);
if (err)
error (1, err, "pthread_create");
err = pthread_join (tid, &ret);
assert_perror (err);
/* Should have never returned. Our parent expects us to fail
thus we succeed and indicate the error. */
return 0;
}
default:
{
pid_t pid;
int status;
pid = waitpid (child, &status, 0);
printf ("pid = %d; child = %d; status = %d\n", pid, child, status);
assert (pid == child);
assert (status != 0);
}
}
return 0;
}
|
