sysdeps/pthread/tst-rwlock1.c

   1 /* Copyright (C) 2002-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <pthread.h>
  19 #include <stdio.h>
  20
  21
  22 static int
  23 do_test (void)
  24 {
  25   pthread_rwlock_t r;
  26
  27   if (pthread_rwlock_init (&r, NULL) != 0)
  28     {
  29       puts ("rwlock_init failed");
  30       return 1;
  31     }
  32   puts ("rwlock_init succeeded");
  33
  34   if (pthread_rwlock_rdlock (&r) != 0)
  35     {
  36       puts ("1st rwlock_rdlock failed");
  37       return 1;
  38     }
  39   puts ("1st rwlock_rdlock succeeded");
  40
  41   if (pthread_rwlock_rdlock (&r) != 0)
  42     {
  43       puts ("2nd rwlock_rdlock failed");
  44       return 1;
  45     }
  46   puts ("2nd rwlock_rdlock succeeded");
  47
  48   if (pthread_rwlock_unlock (&r) != 0)
  49     {
  50       puts ("1st rwlock_unlock failed");
  51       return 1;
  52     }
  53   puts ("1st rwlock_unlock succeeded");
  54
  55   if (pthread_rwlock_unlock (&r) != 0)
  56     {
  57       puts ("2nd rwlock_unlock failed");
  58       return 1;
  59     }
  60   puts ("2nd rwlock_unlock succeeded");
  61
  62   if (pthread_rwlock_wrlock (&r) != 0)
  63     {
  64       puts ("1st rwlock_wrlock failed");
  65       return 1;
  66     }
  67   puts ("1st rwlock_wrlock succeeded");
  68
  69   if (pthread_rwlock_unlock (&r) != 0)
  70     {
  71       puts ("3rd rwlock_unlock failed");
  72       return 1;
  73     }
  74   puts ("3rd rwlock_unlock succeeded");
  75
  76   if (pthread_rwlock_wrlock (&r) != 0)
  77     {
  78       puts ("2nd rwlock_wrlock failed");
  79       return 1;
  80     }
  81   puts ("2nd rwlock_wrlock succeeded");
  82
  83   if (pthread_rwlock_unlock (&r) != 0)
  84     {
  85       puts ("4th rwlock_unlock failed");
  86       return 1;
  87     }
  88   puts ("4th rwlock_unlock succeeded");
  89
  90   if (pthread_rwlock_rdlock (&r) != 0)
  91     {
  92       puts ("3rd rwlock_rdlock failed");
  93       return 1;
  94     }
  95   puts ("3rd rwlock_rdlock succeeded");
  96
  97   if (pthread_rwlock_unlock (&r) != 0)
  98     {
  99       puts ("5th rwlock_unlock failed");
 100       return 1;
 101     }
 102   puts ("5th rwlock_unlock succeeded");
 103
 104   if (pthread_rwlock_destroy (&r) != 0)
 105     {
 106       puts ("rwlock_destroy failed");
 107       return 1;
 108     }
 109   puts ("rwlock_destroy succeeded");
 110
 111   return 0;
 112 }
 113
 114 #define TEST_FUNCTION do_test ()
 115 #include "../test-skeleton.c"