nptl/tst-rwlock1.c

   1 /* Copyright (C) 2002-2019 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@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    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <stdio.h>
  21
  22
  23 static int
  24 do_test (void)
  25 {
  26   pthread_rwlock_t r;
  27
  28   if (pthread_rwlock_init (&r, NULL) != 0)
  29     {
  30       puts ("rwlock_init failed");
  31       return 1;
  32     }
  33   puts ("rwlock_init succeeded");
  34
  35   if (pthread_rwlock_rdlock (&r) != 0)
  36     {
  37       puts ("1st rwlock_rdlock failed");
  38       return 1;
  39     }
  40   puts ("1st rwlock_rdlock succeeded");
  41
  42   if (pthread_rwlock_rdlock (&r) != 0)
  43     {
  44       puts ("2nd rwlock_rdlock failed");
  45       return 1;
  46     }
  47   puts ("2nd rwlock_rdlock succeeded");
  48
  49   if (pthread_rwlock_unlock (&r) != 0)
  50     {
  51       puts ("1st rwlock_unlock failed");
  52       return 1;
  53     }
  54   puts ("1st rwlock_unlock succeeded");
  55
  56   if (pthread_rwlock_unlock (&r) != 0)
  57     {
  58       puts ("2nd rwlock_unlock failed");
  59       return 1;
  60     }
  61   puts ("2nd rwlock_unlock succeeded");
  62
  63   if (pthread_rwlock_wrlock (&r) != 0)
  64     {
  65       puts ("1st rwlock_wrlock failed");
  66       return 1;
  67     }
  68   puts ("1st rwlock_wrlock succeeded");
  69
  70   if (pthread_rwlock_unlock (&r) != 0)
  71     {
  72       puts ("3rd rwlock_unlock failed");
  73       return 1;
  74     }
  75   puts ("3rd rwlock_unlock succeeded");
  76
  77   if (pthread_rwlock_wrlock (&r) != 0)
  78     {
  79       puts ("2nd rwlock_wrlock failed");
  80       return 1;
  81     }
  82   puts ("2nd rwlock_wrlock succeeded");
  83
  84   if (pthread_rwlock_unlock (&r) != 0)
  85     {
  86       puts ("4th rwlock_unlock failed");
  87       return 1;
  88     }
  89   puts ("4th rwlock_unlock succeeded");
  90
  91   if (pthread_rwlock_rdlock (&r) != 0)
  92     {
  93       puts ("3rd rwlock_rdlock failed");
  94       return 1;
  95     }
  96   puts ("3rd rwlock_rdlock succeeded");
  97
  98   if (pthread_rwlock_unlock (&r) != 0)
  99     {
 100       puts ("5th rwlock_unlock failed");
 101       return 1;
 102     }
 103   puts ("5th rwlock_unlock succeeded");
 104
 105   if (pthread_rwlock_destroy (&r) != 0)
 106     {
 107       puts ("rwlock_destroy failed");
 108       return 1;
 109     }
 110   puts ("rwlock_destroy succeeded");
 111
 112   return 0;
 113 }
 114
 115 #define TEST_FUNCTION do_test ()
 116 #include "../test-skeleton.c"