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- /* Copyright (C) 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Roland McGrath <roland@redhat.com>, 2002.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <pthread.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include <sys/wait.h>
- #include "../test-skeleton.h"
- static pid_t initial_pid;
- static void *
- tf (void *arg)
- {
- if (getppid () != initial_pid)
- {
- printf ("getppid in thread returned %ld, expected %ld\n",
- (long int) getppid (), (long int) initial_pid);
- return (void *) -1;
- }
- return NULL;
- }
- int
- main (void)
- {
- initial_pid = getpid ();
- pid_t child = fork ();
- if (child == 0)
- {
- if (getppid () != initial_pid)
- {
- printf ("first getppid returned %ld, expected %ld\n",
- (long int) getppid (), (long int) initial_pid);
- exit (1);
- }
- pthread_t th;
- if (pthread_create (&th, NULL, tf, NULL) != 0)
- {
- puts ("pthread_create failed");
- exit (1);
- }
- void *result;
- if (pthread_join (th, &result) != 0)
- {
- puts ("pthread_join failed");
- exit (1);
- }
- exit (result == NULL ? 0 : 1);
- }
- else if (child == -1)
- {
- puts ("initial fork failed");
- return 1;
- }
- int status;
- if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child)
- {
- printf ("waitpid failed: %m\n");
- return 1;
- }
- return status;
- }
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