Set errno for ±Inf.
[glibc/history.git] / nptl / tst-fork4.c
blobcca19f406fd454c5a3b2324e966170e86bb4ca54
1 /* Test of fork updating child universe's pthread structures.
2 Copyright (C) 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <errno.h>
21 #include <pthread.h>
22 #include <stdio.h>
23 #include <unistd.h>
24 #include <sys/types.h>
25 #include <sys/wait.h>
26 #include <string.h>
29 static int
30 do_test (void)
32 pthread_t me = pthread_self ();
34 pid_t pid = fork ();
36 if (pid < 0)
38 printf ("fork: %m\n");
39 return 1;
42 if (pid == 0)
44 int err = pthread_kill (me, SIGTERM);
45 printf ("pthread_kill returned: %s\n", strerror (err));
46 return 3;
49 int status;
50 errno = 0;
51 if (wait (&status) != pid)
52 printf ("wait failed: %m\n");
53 else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGTERM)
55 printf ("child correctly died with SIGTERM\n");
56 return 0;
58 else
59 printf ("child died with bad status %#x\n", status);
61 return 1;
64 #define TEST_FUNCTION do_test ()
65 #include "../test-skeleton.c"