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1/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Roland McGrath <roland@redhat.com>, 2002.
4
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.
9
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.
14
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/>. */
18
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>
25
26
27static pid_t initial_pid;
28
29
30static void *
31tf2 (void *arg)
32{
33 if (getppid () != initial_pid)
34 {
35 printf ("getppid in thread returned %ld, expected %ld\n",
36 (long int) getppid (), (long int) initial_pid);
37 return (void *) -1;
38 }
39
40 return NULL;
41}
42
43
44static void *
45tf1 (void *arg)
46{
47 pid_t child = fork ();
48 if (child == 0)
49 {
50 if (getppid () != initial_pid)
51 {
52 printf ("first getppid returned %ld, expected %ld\n",
53 (long int) getppid (), (long int) initial_pid);
54 exit (1);
55 }
56
57 pthread_t th2;
58 if (pthread_create (&th2, NULL, tf2, NULL) != 0)
59 {
60 puts ("child: pthread_create failed");
61 exit (1);
62 }
63
64 void *result;
65 if (pthread_join (th2, &result) != 0)
66 {
67 puts ("pthread_join failed");
68 exit (1);
69 }
70
71 exit (result == NULL ? 0 : 1);
72 }
73 else if (child == -1)
74 {
75 puts ("initial fork failed");
76 exit (1);
77 }
78
79 int status;
80 if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child)
81 {
82 printf ("waitpid failed: %m\n");
83 exit (1);
84 }
85
86 exit (status);
87}
88
89
90static int
91do_test (void)
92{
93 initial_pid = getpid ();
94
95 pthread_t th1;
96 if (pthread_create (&th1, NULL, tf1, NULL) != 0)
97 {
98 puts ("parent: pthread_create failed");
99 exit (1);
100 }
101
102 /* This call should never return. */
103 pthread_join (th1, NULL);
104
105 return 1;
106}
107
108#include <support/test-driver.c>
109

Warning: That file was not part of the compilation database. It may have many parsing errors.