aboutsummaryrefslogtreecommitdiff
path: root/nptl/tst-robust1.c
blob: 13267a5efd5adcb670cf40a8b230ca57f2cb012a (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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
/* Copyright (C) 2005 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.

   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>


static pthread_mutex_t m;
static pthread_barrier_t b;


#ifndef LOCK
# define LOCK(m) pthread_mutex_lock (m)
#endif


static void *
tf (void *arg)
{
  long int round = (long int) arg;

  if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
    {
      printf ("%ld: setcancelstate failed\n", round);
      exit (1);
    }

  int e = LOCK (&m);
  if (e != 0)
    {
      printf ("%ld: child: mutex_lock failed with error %d\n", round, e);
      exit (1);
    }

  e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      printf ("%ld: child: 1st barrier_wait failed\n", round);
      exit (1);
    }

  e = pthread_barrier_wait (&b);
  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
    {
      printf ("%ld: child: 2nd barrier_wait failed\n", round);
      exit (1);
    }

  pthread_testcancel ();

  printf ("%ld: testcancel returned\n", round);
  exit (1);
}


static int
do_test (void)
{
#ifdef PREPARE_TMO
  PREPARE_TMO;
#endif

  pthread_mutexattr_t a;
  if (pthread_mutexattr_init (&a) != 0)
    {
      puts ("mutexattr_init failed");
      return 1;
    }
  if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
    {
      puts ("mutexattr_setrobust failed");
      return 1;
    }
#ifndef NOT_CONSISTENT
  if (pthread_mutex_init (&m, &a) != 0)
    {
      puts ("mutex_init failed");
      return 1;
    }
#endif

  if (pthread_barrier_init (&b, NULL, 2) != 0)
    {
      puts ("barrier_init failed");
      return 1;
    }

  for (long int round = 1; round < 5; ++round)
    {
#ifdef NOT_CONSISTENT
      if (pthread_mutex_init (&m, &a) != 0)
	{
	  puts ("mutex_init failed");
	  return 1;
	}
#endif

      pthread_t th;
      if (pthread_create (&th, NULL, tf, (void *) round) != 0)
	{
	  printf ("%ld: create failed\n", round);
	  return 1;
	}

      int e = pthread_barrier_wait (&b);
      if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
	{
	  printf ("%ld: parent: 1st barrier_wait failed\n", round);
	  return 1;
	}

      if (pthread_cancel (th) != 0)
	{
	  printf ("%ld: cancel failed\n", round);
	  return 1;
	}

      e = pthread_barrier_wait (&b);
      if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
	{
	  printf ("%ld: parent: 2nd barrier_wait failed\n", round);
	  return 1;
	}

#ifndef AFTER_JOIN
      if (round & 1)
#endif
	{
	  void *res;
	  if (pthread_join (th, &res) != 0)
	    {
	      printf ("%ld: join failed\n", round);
	      return 1;
	    }
	  if (res != PTHREAD_CANCELED)
	    {
	      printf ("%ld: thread not canceled\n", round);
	      return 1;
	    }
	}

      e = LOCK (&m);
      if (e == 0)
	{
	  printf ("%ld: parent: mutex_lock succeeded\n", round);
	  return 1;
	}
      if (e != EOWNERDEAD)
	{
	  printf ("%ld: parent: mutex_lock returned wrong code\n", round);
	  return 1;
	}

#ifndef AFTER_JOIN
      if ((round & 1) == 0)
	{
	  void *res;
	  if (pthread_join (th, &res) != 0)
	    {
	      printf ("%ld: join failed\n", round);
	      return 1;
	    }
	  if (res != PTHREAD_CANCELED)
	    {
	      printf ("%ld: thread not canceled\n", round);
	      return 1;
	    }
	}
#endif

#ifndef NOT_CONSISTENT
      e = pthread_mutex_consistent_np (&m);
      if (e != 0)
	{
	  printf ("%ld: mutex_consistent failed with error %d\n", round, e);
	  return 1;
	}
#endif

      e = pthread_mutex_unlock (&m);
      if (e != 0)
	{
	  printf ("%ld: mutex_unlocked failed\n", round);
	  return 1;
	}

#ifdef NOT_CONSISTENT
      e = LOCK (&m);
      if (e == 0)
	{
	  printf ("%ld: locking inconsistent mutex succeeded\n", round);
	  return 1;
	}
      if (e != ENOTRECOVERABLE)
	{
	  printf ("%ld: locking inconsistent mutex failed with error %d\n",
		  round, e);
	  return 1;
	}

      if (pthread_mutex_destroy (&m) != 0)
	{
	  puts ("mutex_destroy failed");
	  return 1;
	}
#endif
    }

#ifndef NOT_CONSISTENT
  if (pthread_mutex_destroy (&m) != 0)
    {
      puts ("mutex_destroy failed");
      return 1;
    }
#endif

  if (pthread_mutexattr_destroy (&a) != 0)
    {
      puts ("mutexattr_destroy failed");
      return 1;
    }

  return 0;
}

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