1 /* Test of fork updating child universe's pthread structures.
2    Copyright (C) 2003-2022 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 
28 static int
do_test(void)29 do_test (void)
30 {
31   pthread_t me = pthread_self ();
32 
33   pid_t pid = fork ();
34 
35   if (pid < 0)
36     {
37       printf ("fork: %m\n");
38       return 1;
39     }
40 
41   if (pid == 0)
42     {
43       int err = pthread_kill (me, SIGTERM);
44       printf ("pthread_kill returned: %s\n", strerror (err));
45       return 3;
46     }
47 
48   int status;
49   errno = 0;
50   if (wait (&status) != pid)
51     printf ("wait failed: %m\n");
52   else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGTERM)
53     {
54       printf ("child correctly died with SIGTERM\n");
55       return 0;
56     }
57   else
58     printf ("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