Fix misspelled yesexpr/day/abday/mon/abmon/date_fmt fields in sc_IT
[glibc.git] / nptl / tst-fork2.c
blob6342502247bf4732e2617e3dec420875758c8d30
1 /* Copyright (C) 2002-2017 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/>. */
19 #include <errno.h>
20 #include <pthread.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <unistd.h>
24 #include <sys/wait.h>
27 static pid_t initial_pid;
30 static void *
31 tf (void *arg)
33 if (getppid () != initial_pid)
35 printf ("getppid in thread returned %ld, expected %ld\n",
36 (long int) getppid (), (long int) initial_pid);
37 return (void *) -1;
40 return NULL;
44 int
45 main (void)
47 initial_pid = getpid ();
49 pid_t child = fork ();
50 if (child == 0)
52 if (getppid () != initial_pid)
54 printf ("first getppid returned %ld, expected %ld\n",
55 (long int) getppid (), (long int) initial_pid);
56 exit (1);
59 pthread_t th;
60 if (pthread_create (&th, NULL, tf, NULL) != 0)
62 puts ("pthread_create failed");
63 exit (1);
66 void *result;
67 if (pthread_join (th, &result) != 0)
69 puts ("pthread_join failed");
70 exit (1);
73 exit (result == NULL ? 0 : 1);
75 else if (child == -1)
77 puts ("initial fork failed");
78 return 1;
81 int status;
82 if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child)
84 printf ("waitpid failed: %m\n");
85 return 1;
88 return status;