nptl/tst-mutexpp10.c

   1 /* Copyright (C) 2006-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
   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 <limits.h>
  21 #include <pthread.h>
  22 #include <sched.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <unistd.h>
  27
  28 #include "tst-tpp.h"
  29
  30 static int
  31 do_test (void)
  32 {
  33   int ret = 0;
  34
  35   init_tpp_test ();
  36
  37   pthread_mutexattr_t ma;
  38   if (pthread_mutexattr_init (&ma))
  39     {
  40       puts ("mutexattr_init failed");
  41       return 1;
  42     }
  43   if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_PROTECT))
  44     {
  45       puts ("mutexattr_setprotocol failed");
  46       return 1;
  47     }
  48
  49   int prioceiling;
  50   if (pthread_mutexattr_getprioceiling (&ma, &prioceiling))
  51     {
  52       puts ("mutexattr_getprioceiling failed");
  53       return 1;
  54     }
  55
  56   if (prioceiling < fifo_min || prioceiling > fifo_max)
  57     {
  58       printf ("prioceiling %d not in %d..%d range\n",
  59               prioceiling, fifo_min, fifo_max);
  60       return 1;
  61     }
  62
  63   if (fifo_max < INT_MAX
  64       && pthread_mutexattr_setprioceiling (&ma, fifo_max + 1) != EINVAL)
  65     {
  66       printf ("mutexattr_setprioceiling %d did not fail with EINVAL\n",
  67               fifo_max + 1);
  68       return 1;
  69     }
  70
  71   if (fifo_min > 0
  72       && pthread_mutexattr_setprioceiling (&ma, fifo_min - 1) != EINVAL)
  73     {
  74       printf ("mutexattr_setprioceiling %d did not fail with EINVAL\n",
  75               fifo_min - 1);
  76       return 1;
  77     }
  78
  79   if (pthread_mutexattr_setprioceiling (&ma, fifo_min))
  80     {
  81       puts ("mutexattr_setprioceiling failed");
  82       return 1;
  83     }
  84
  85   if (pthread_mutexattr_setprioceiling (&ma, fifo_max))
  86     {
  87       puts ("mutexattr_setprioceiling failed");
  88       return 1;
  89     }
  90
  91   if (pthread_mutexattr_setprioceiling (&ma, 6))
  92     {
  93       puts ("mutexattr_setprioceiling failed");
  94       return 1;
  95     }
  96
  97   if (pthread_mutexattr_getprioceiling (&ma, &prioceiling))
  98     {
  99       puts ("mutexattr_getprioceiling failed");
 100       return 1;
 101     }
 102
 103   if (prioceiling != 6)
 104     {
 105       printf ("mutexattr_getprioceiling returned %d != 6\n",
 106               prioceiling);
 107       return 1;
 108     }
 109
 110   pthread_mutex_t m1, m2, m3;
 111   int e = pthread_mutex_init (&m1, &ma);
 112   if (e == ENOTSUP)
 113     {
 114       puts ("cannot support selected type of mutexes");
 115       return 0;
 116     }
 117   else if (e != 0)
 118     {
 119       puts ("mutex_init failed");
 120       return 1;
 121     }
 122
 123   if (pthread_mutexattr_setprioceiling (&ma, 8))
 124     {
 125       puts ("mutexattr_setprioceiling failed");
 126       return 1;
 127     }
 128
 129   if (pthread_mutex_init (&m2, &ma))
 130     {
 131       puts ("mutex_init failed");
 132       return 1;
 133     }
 134
 135   if (pthread_mutexattr_setprioceiling (&ma, 5))
 136     {
 137       puts ("mutexattr_setprioceiling failed");
 138       return 1;
 139     }
 140
 141   if (pthread_mutex_init (&m3, &ma))
 142     {
 143       puts ("mutex_init failed");
 144       return 1;
 145     }
 146
 147   CHECK_TPP_PRIORITY (4, 4);
 148
 149   if (pthread_mutex_lock (&m1) != 0)
 150     {
 151       puts ("mutex_lock failed");
 152       return 1;
 153     }
 154
 155   CHECK_TPP_PRIORITY (4, 6);
 156
 157   if (pthread_mutex_trylock (&m2) != 0)
 158     {
 159       puts ("mutex_lock failed");
 160       return 1;
 161     }
 162
 163   CHECK_TPP_PRIORITY (4, 8);
 164
 165   if (pthread_mutex_lock (&m3) != 0)
 166     {
 167       puts ("mutex_lock failed");
 168       return 1;
 169     }
 170
 171   CHECK_TPP_PRIORITY (4, 8);
 172
 173   if (pthread_mutex_unlock (&m2) != 0)
 174     {
 175       puts ("mutex_unlock failed");
 176       return 1;
 177     }
 178
 179   CHECK_TPP_PRIORITY (4, 6);
 180
 181   if (pthread_mutex_unlock (&m1) != 0)
 182     {
 183       puts ("mutex_unlock failed");
 184       return 1;
 185     }
 186
 187   CHECK_TPP_PRIORITY (4, 5);
 188
 189   if (pthread_mutex_lock (&m2) != 0)
 190     {
 191       puts ("mutex_lock failed");
 192       return 1;
 193     }
 194
 195   CHECK_TPP_PRIORITY (4, 8);
 196
 197   if (pthread_mutex_unlock (&m2) != 0)
 198     {
 199       puts ("mutex_unlock failed");
 200       return 1;
 201     }
 202
 203   CHECK_TPP_PRIORITY (4, 5);
 204
 205   if (pthread_mutex_getprioceiling (&m1, &prioceiling))
 206     {
 207       puts ("mutex_getprioceiling m1 failed");
 208       return 1;
 209     }
 210   else if (prioceiling != 6)
 211     {
 212       printf ("unexpected m1 prioceiling %d != 6\n", prioceiling);
 213       return 1;
 214     }
 215
 216   if (pthread_mutex_getprioceiling (&m2, &prioceiling))
 217     {
 218       puts ("mutex_getprioceiling m2 failed");
 219       return 1;
 220     }
 221   else if (prioceiling != 8)
 222     {
 223       printf ("unexpected m2 prioceiling %d != 8\n", prioceiling);
 224       return 1;
 225     }
 226
 227   if (pthread_mutex_getprioceiling (&m3, &prioceiling))
 228     {
 229       puts ("mutex_getprioceiling m3 failed");
 230       return 1;
 231     }
 232   else if (prioceiling != 5)
 233     {
 234       printf ("unexpected m3 prioceiling %d != 5\n", prioceiling);
 235       return 1;
 236     }
 237
 238   if (pthread_mutex_setprioceiling (&m1, 7, &prioceiling))
 239     {
 240       printf ("mutex_setprioceiling failed");
 241       return 1;
 242     }
 243   else if (prioceiling != 6)
 244     {
 245       printf ("unexpected m1 old prioceiling %d != 6\n", prioceiling);
 246       return 1;
 247     }
 248
 249   if (pthread_mutex_getprioceiling (&m1, &prioceiling))
 250     {
 251       puts ("mutex_getprioceiling m1 failed");
 252       return 1;
 253     }
 254   else if (prioceiling != 7)
 255     {
 256       printf ("unexpected m1 prioceiling %d != 7\n", prioceiling);
 257       return 1;
 258     }
 259
 260   CHECK_TPP_PRIORITY (4, 5);
 261
 262   if (pthread_mutex_unlock (&m3) != 0)
 263     {
 264       puts ("mutex_unlock failed");
 265       return 1;
 266     }
 267
 268   CHECK_TPP_PRIORITY (4, 4);
 269
 270   if (pthread_mutex_trylock (&m1) != 0)
 271     {
 272       puts ("mutex_lock failed");
 273       return 1;
 274     }
 275
 276   CHECK_TPP_PRIORITY (4, 7);
 277
 278   struct sched_param sp;
 279   memset (&sp, 0, sizeof (sp));
 280   sp.sched_priority = 8;
 281   if (pthread_setschedparam (pthread_self (), SCHED_FIFO, &sp))
 282     {
 283       puts ("cannot set scheduling params");
 284       return 1;
 285     }
 286
 287   CHECK_TPP_PRIORITY (8, 8);
 288
 289   if (pthread_mutex_unlock (&m1) != 0)
 290     {
 291       puts ("mutex_unlock failed");
 292       return 1;
 293     }
 294
 295   CHECK_TPP_PRIORITY (8, 8);
 296
 297   if (pthread_mutex_lock (&m3) != EINVAL)
 298     {
 299       puts ("pthread_mutex_lock didn't fail with EINVAL");
 300       return 1;
 301     }
 302
 303   CHECK_TPP_PRIORITY (8, 8);
 304
 305   if (pthread_mutex_destroy (&m1) != 0)
 306     {
 307       puts ("mutex_destroy failed");
 308       return 1;
 309     }
 310
 311   if (pthread_mutex_destroy (&m2) != 0)
 312     {
 313       puts ("mutex_destroy failed");
 314       return 1;
 315     }
 316
 317   if (pthread_mutex_destroy (&m3) != 0)
 318     {
 319       puts ("mutex_destroy failed");
 320       return 1;
 321     }
 322
 323   if (pthread_mutexattr_destroy (&ma) != 0)
 324     {
 325       puts ("mutexattr_destroy failed");
 326       return 1;
 327     }
 328
 329   return ret;
 330 }
 331
 332 #define TEST_FUNCTION do_test ()
 333 #include "../test-skeleton.c"