1 /* Copyright (C) 2002-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Roland McGrath <roland@redhat.com>, 2002.
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, see
17 <http://www.gnu.org/licenses/>. */
27 static pid_t initial_pid;
33 if (getppid () != initial_pid)
35 printf ("getppid in thread returned %ld, expected %ld\n",
36 (long int) getppid (), (long int) initial_pid);
47 pid_t child = fork ();
50 if (getppid () != initial_pid)
52 printf ("first getppid returned %ld, expected %ld\n",
53 (long int) getppid (), (long int) initial_pid);
58 if (pthread_create (&th2, NULL, tf2, NULL) != 0)
60 puts ("child: pthread_create failed");
65 if (pthread_join (th2, &result) != 0)
67 puts ("pthread_join failed");
71 exit (result == NULL ? 0 : 1);
75 puts ("initial fork failed");
80 if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child)
82 printf ("waitpid failed: %m\n");
93 initial_pid = getpid ();
96 if (pthread_create (&th1, NULL, tf1, NULL) != 0)
98 puts ("parent: pthread_create failed");
102 /* This call should never return. */
103 pthread_join (th1, NULL);