summaryrefslogtreecommitdiff
path: root/test/nptl/tst-join5.c
blob: feeee2ee3c76168f1722e7a87a73f34cb935126a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* Copyright (C) 2003 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.

   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>


static void *
tf1 (void *arg)
{
  pthread_join ((pthread_t) arg, NULL);

  puts ("1st join returned");

  return (void *) 1l;
}


static void *
tf2 (void *arg)
{
  int a;
  a = pthread_join ((pthread_t) arg, NULL);

  puts ("2nd join returned");
  printf("a = %i\n", a);

  return (void *) 1l;
}


static int
do_test (void)
{
  pthread_t th;

  int err = pthread_join (pthread_self (), NULL);
  if (err == 0)
    {
      puts ("1st circular join succeeded");
      exit (1);
    }
  if (err != EDEADLK)
    {
      printf ("1st circular join %d, not EDEADLK\n", err);
      exit (1);
    }

  if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0)
    {
      puts ("1st create failed");
      exit (1);
    }

  if (pthread_cancel (th) != 0)
    {
      puts ("cannot cancel 1st thread");
      exit (1);
    }

  void *r;
  err = pthread_join (th, &r);
  if (err != 0)
    {
      printf ("cannot join 1st thread: %d\n", err);
      exit (1);
    }
  if (r != PTHREAD_CANCELED)
    {
      puts ("1st thread not canceled");
      exit (1);
    }

  err = pthread_join (pthread_self (), NULL);
  if (err == 0)
    {
      puts ("2nd circular join succeeded");
      exit (1);
    }
  if (err != EDEADLK)
    {
      printf ("2nd circular join %d, not EDEADLK\n", err);
      exit (1);
    }

  if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0)
    {
      puts ("2nd create failed");
      exit (1);
    }

  if (pthread_cancel (th) != 0)
    {
      puts ("cannot cancel 2nd thread");
      exit (1);
    }

  if (pthread_join (th, &r) != 0)
    {
      puts ("cannot join 2nd thread");
      exit (1);
    }
  if (r != PTHREAD_CANCELED)
    {
      puts ("2nd thread not canceled");
      exit (1);
    }

  err = pthread_join (pthread_self (), NULL);
  if (err == 0)
    {
      puts ("2nd circular join succeeded");
      exit (1);
    }
  if (err != EDEADLK)
    {
      printf ("2nd circular join %d, not EDEADLK\n", err);
      exit (1);
    }

  exit (0);
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"