1/* Test of fork updating child universe's pthread structures.
2 Copyright (C) 2003-2024 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#include <errno.h>
20#include <pthread.h>
21#include <stdio.h>
22#include <unistd.h>
23#include <sys/types.h>
24#include <sys/wait.h>
25#include <string.h>
26
27
28static int
29do_test (void)
30{
31 pthread_t me = pthread_self ();
32
33 pid_t pid = fork ();
34
35 if (pid < 0)
36 {
37 printf (format: "fork: %m\n");
38 return 1;
39 }
40
41 if (pid == 0)
42 {
43 int err = pthread_kill (threadid: me, SIGTERM);
44 printf (format: "pthread_kill returned: %s\n", strerror (errnum: err));
45 return 3;
46 }
47
48 int status;
49 errno = 0;
50 if (wait (stat_loc: &status) != pid)
51 printf (format: "wait failed: %m\n");
52 else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGTERM)
53 {
54 printf (format: "child correctly died with SIGTERM\n");
55 return 0;
56 }
57 else
58 printf (format: "child died with bad status %#x\n", status);
59
60 return 1;
61}
62
63#define TEST_FUNCTION do_test ()
64#include "../test-skeleton.c"
65

source code of glibc/sysdeps/pthread/tst-fork4.c