1 /* Copyright (C) 2002-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
26 static pid_t initial_pid
;
32 if (getppid () != initial_pid
)
34 printf ("getppid in thread returned %ld, expected %ld\n",
35 (long int) getppid (), (long int) initial_pid
);
46 pid_t child
= fork ();
49 if (getppid () != initial_pid
)
51 printf ("first getppid returned %ld, expected %ld\n",
52 (long int) getppid (), (long int) initial_pid
);
57 if (pthread_create (&th2
, NULL
, tf2
, NULL
) != 0)
59 puts ("child: pthread_create failed");
64 if (pthread_join (th2
, &result
) != 0)
66 puts ("pthread_join failed");
70 exit (result
== NULL
? 0 : 1);
74 puts ("initial fork failed");
79 if (TEMP_FAILURE_RETRY (waitpid (child
, &status
, 0)) != child
)
81 printf ("waitpid failed: %m\n");
92 initial_pid
= getpid ();
95 if (pthread_create (&th1
, NULL
, tf1
, NULL
) != 0)
97 puts ("parent: pthread_create failed");
101 /* This call should never return. */
102 pthread_join (th1
, NULL
);
107 #include <support/test-driver.c>