nptl/tst-mutexpp10.c

   1 /* Copyright (C) 2006-2023 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 <errno.h>
  19 #include <limits.h>
  20 #include <pthread.h>
  21 #include <sched.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <unistd.h>
  26
  27 #include "tst-tpp.h"
  28
  29 static int
  30 do_test (void)
  31 {
  32   int ret = 0;
  33
  34   init_tpp_test ();
  35
  36   pthread_mutexattr_t ma;
  37   if (pthread_mutexattr_init (&ma))
  38     {
  39       puts ("mutexattr_init failed");
  40       return 1;
  41     }
  42   if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_PROTECT))
  43     {
  44       puts ("mutexattr_setprotocol failed");
  45       return 1;
  46     }
  47
  48   int prioceiling;
  49   if (pthread_mutexattr_getprioceiling (&ma, &prioceiling))
  50     {
  51       puts ("mutexattr_getprioceiling failed");
  52       return 1;
  53     }
  54
  55   if (prioceiling < fifo_min || prioceiling > fifo_max)
  56     {
  57       printf ("prioceiling %d not in %d..%d range\n",
  58               prioceiling, fifo_min, fifo_max);
  59       return 1;
  60     }
  61
  62   if (fifo_max < INT_MAX
  63       && pthread_mutexattr_setprioceiling (&ma, fifo_max + 1) != EINVAL)
  64     {
  65       printf ("mutexattr_setprioceiling %d did not fail with EINVAL\n",
  66               fifo_max + 1);
  67       return 1;
  68     }
  69
  70   if (fifo_min > 0
  71       && pthread_mutexattr_setprioceiling (&ma, fifo_min - 1) != EINVAL)
  72     {
  73       printf ("mutexattr_setprioceiling %d did not fail with EINVAL\n",
  74               fifo_min - 1);
  75       return 1;
  76     }
  77
  78   if (pthread_mutexattr_setprioceiling (&ma, fifo_min))
  79     {
  80       puts ("mutexattr_setprioceiling failed");
  81       return 1;
  82     }
  83
  84   if (pthread_mutexattr_setprioceiling (&ma, fifo_max))
  85     {
  86       puts ("mutexattr_setprioceiling failed");
  87       return 1;
  88     }
  89
  90   if (pthread_mutexattr_setprioceiling (&ma, 6))
  91     {
  92       puts ("mutexattr_setprioceiling failed");
  93       return 1;
  94     }
  95
  96   if (pthread_mutexattr_getprioceiling (&ma, &prioceiling))
  97     {
  98       puts ("mutexattr_getprioceiling failed");
  99       return 1;
 100     }
 101
 102   if (prioceiling != 6)
 103     {
 104       printf ("mutexattr_getprioceiling returned %d != 6\n",
 105               prioceiling);
 106       return 1;
 107     }
 108
 109   pthread_mutex_t m1, m2, m3;
 110   int e = pthread_mutex_init (&m1, &ma);
 111   if (e == ENOTSUP)
 112     {
 113       puts ("cannot support selected type of mutexes");
 114       return 0;
 115     }
 116   else if (e != 0)
 117     {
 118       puts ("mutex_init failed");
 119       return 1;
 120     }
 121
 122   if (pthread_mutexattr_setprioceiling (&ma, 8))
 123     {
 124       puts ("mutexattr_setprioceiling failed");
 125       return 1;
 126     }
 127
 128   if (pthread_mutex_init (&m2, &ma))
 129     {
 130       puts ("mutex_init failed");
 131       return 1;
 132     }
 133
 134   if (pthread_mutexattr_setprioceiling (&ma, 5))
 135     {
 136       puts ("mutexattr_setprioceiling failed");
 137       return 1;
 138     }
 139
 140   if (pthread_mutex_init (&m3, &ma))
 141     {
 142       puts ("mutex_init failed");
 143       return 1;
 144     }
 145
 146   CHECK_TPP_PRIORITY (4, 4);
 147
 148   if (pthread_mutex_lock (&m1) != 0)
 149     {
 150       puts ("mutex_lock failed");
 151       return 1;
 152     }
 153
 154   CHECK_TPP_PRIORITY (4, 6);
 155
 156   if (pthread_mutex_trylock (&m2) != 0)
 157     {
 158       puts ("mutex_lock failed");
 159       return 1;
 160     }
 161
 162   CHECK_TPP_PRIORITY (4, 8);
 163
 164   if (pthread_mutex_lock (&m3) != 0)
 165     {
 166       puts ("mutex_lock failed");
 167       return 1;
 168     }
 169
 170   CHECK_TPP_PRIORITY (4, 8);
 171
 172   if (pthread_mutex_unlock (&m2) != 0)
 173     {
 174       puts ("mutex_unlock failed");
 175       return 1;
 176     }
 177
 178   CHECK_TPP_PRIORITY (4, 6);
 179
 180   if (pthread_mutex_unlock (&m1) != 0)
 181     {
 182       puts ("mutex_unlock failed");
 183       return 1;
 184     }
 185
 186   CHECK_TPP_PRIORITY (4, 5);
 187
 188   if (pthread_mutex_lock (&m2) != 0)
 189     {
 190       puts ("mutex_lock failed");
 191       return 1;
 192     }
 193
 194   CHECK_TPP_PRIORITY (4, 8);
 195
 196   if (pthread_mutex_unlock (&m2) != 0)
 197     {
 198       puts ("mutex_unlock failed");
 199       return 1;
 200     }
 201
 202   CHECK_TPP_PRIORITY (4, 5);
 203
 204   if (pthread_mutex_getprioceiling (&m1, &prioceiling))
 205     {
 206       puts ("mutex_getprioceiling m1 failed");
 207       return 1;
 208     }
 209   else if (prioceiling != 6)
 210     {
 211       printf ("unexpected m1 prioceiling %d != 6\n", prioceiling);
 212       return 1;
 213     }
 214
 215   if (pthread_mutex_getprioceiling (&m2, &prioceiling))
 216     {
 217       puts ("mutex_getprioceiling m2 failed");
 218       return 1;
 219     }
 220   else if (prioceiling != 8)
 221     {
 222       printf ("unexpected m2 prioceiling %d != 8\n", prioceiling);
 223       return 1;
 224     }
 225
 226   if (pthread_mutex_getprioceiling (&m3, &prioceiling))
 227     {
 228       puts ("mutex_getprioceiling m3 failed");
 229       return 1;
 230     }
 231   else if (prioceiling != 5)
 232     {
 233       printf ("unexpected m3 prioceiling %d != 5\n", prioceiling);
 234       return 1;
 235     }
 236
 237   if (pthread_mutex_setprioceiling (&m1, 7, &prioceiling))
 238     {
 239       printf ("mutex_setprioceiling failed");
 240       return 1;
 241     }
 242   else if (prioceiling != 6)
 243     {
 244       printf ("unexpected m1 old prioceiling %d != 6\n", prioceiling);
 245       return 1;
 246     }
 247
 248   if (pthread_mutex_getprioceiling (&m1, &prioceiling))
 249     {
 250       puts ("mutex_getprioceiling m1 failed");
 251       return 1;
 252     }
 253   else if (prioceiling != 7)
 254     {
 255       printf ("unexpected m1 prioceiling %d != 7\n", prioceiling);
 256       return 1;
 257     }
 258
 259   CHECK_TPP_PRIORITY (4, 5);
 260
 261   if (pthread_mutex_unlock (&m3) != 0)
 262     {
 263       puts ("mutex_unlock failed");
 264       return 1;
 265     }
 266
 267   CHECK_TPP_PRIORITY (4, 4);
 268
 269   if (pthread_mutex_trylock (&m1) != 0)
 270     {
 271       puts ("mutex_lock failed");
 272       return 1;
 273     }
 274
 275   CHECK_TPP_PRIORITY (4, 7);
 276
 277   struct sched_param sp;
 278   memset (&sp, 0, sizeof (sp));
 279   sp.sched_priority = 8;
 280   if (pthread_setschedparam (pthread_self (), SCHED_FIFO, &sp))
 281     {
 282       puts ("cannot set scheduling params");
 283       return 1;
 284     }
 285
 286   CHECK_TPP_PRIORITY (8, 8);
 287
 288   if (pthread_mutex_unlock (&m1) != 0)
 289     {
 290       puts ("mutex_unlock failed");
 291       return 1;
 292     }
 293
 294   CHECK_TPP_PRIORITY (8, 8);
 295
 296   if (pthread_mutex_lock (&m3) != EINVAL)
 297     {
 298       puts ("pthread_mutex_lock didn't fail with EINVAL");
 299       return 1;
 300     }
 301
 302   CHECK_TPP_PRIORITY (8, 8);
 303
 304   if (pthread_mutex_destroy (&m1) != 0)
 305     {
 306       puts ("mutex_destroy failed");
 307       return 1;
 308     }
 309
 310   if (pthread_mutex_destroy (&m2) != 0)
 311     {
 312       puts ("mutex_destroy failed");
 313       return 1;
 314     }
 315
 316   if (pthread_mutex_destroy (&m3) != 0)
 317     {
 318       puts ("mutex_destroy failed");
 319       return 1;
 320     }
 321
 322   if (pthread_mutexattr_destroy (&ma) != 0)
 323     {
 324       puts ("mutexattr_destroy failed");
 325       return 1;
 326     }
 327
 328   return ret;
 329 }
 330
 331 #define TEST_FUNCTION do_test ()
 332 #include "../test-skeleton.c"