linuxthreads/tst-attr1.c

   1 /* pthread_getattr_np test.
   2    Copyright (C) 2003 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <errno.h>
  22 #include <error.h>
  23 #include <pthread.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28
  29 #include <stackinfo.h>
  30
  31 static void *
  32 tf (void *arg)
  33 {
  34   pthread_attr_t a, *ap, a2;
  35   int err;
  36   void *result = NULL;
  37
  38   if (arg == NULL)
  39     {
  40       ap = &a2;
  41       err = pthread_attr_init (ap);
  42       if (err)
  43         {
  44           error (0, err, "pthread_attr_init failed");
  45           return tf;
  46         }
  47     }
  48   else
  49     ap = (pthread_attr_t *) arg;
  50
  51   err = pthread_getattr_np (pthread_self (), &a);
  52   if (err)
  53     {
  54       error (0, err, "pthread_getattr_np failed");
  55       result = tf;
  56     }
  57
  58   int detachstate1, detachstate2;
  59   err = pthread_attr_getdetachstate (&a, &detachstate1);
  60   if (err)
  61     {
  62       error (0, err, "pthread_attr_getdetachstate failed");
  63       result = tf;
  64     }
  65   else
  66     {
  67       err = pthread_attr_getdetachstate (ap, &detachstate2);
  68       if (err)
  69         {
  70           error (0, err, "pthread_attr_getdetachstate failed");
  71           result = tf;
  72         }
  73       else if (detachstate1 != detachstate2)
  74         {
  75           error (0, 0, "detachstate differs %d != %d",
  76                  detachstate1, detachstate2);
  77           result = tf;
  78         }
  79     }
  80
  81   void *stackaddr;
  82   size_t stacksize;
  83   err = pthread_attr_getstack (&a, &stackaddr, &stacksize);
  84   if (err)
  85     {
  86       error (0, err, "pthread_attr_getstack failed");
  87       result = tf;
  88     }
  89   else if ((void *) &a < stackaddr
  90            || (void *) &a >= stackaddr + stacksize)
  91     {
  92       error (0, 0, "pthread_attr_getstack returned range does not cover thread's stack");
  93       result = tf;
  94     }
  95   else
  96     printf ("thread stack %p-%p (0x%zx)\n", stackaddr, stackaddr + stacksize,
  97             stacksize);
  98
  99   size_t guardsize1, guardsize2;
 100   err = pthread_attr_getguardsize (&a, &guardsize1);
 101   if (err)
 102     {
 103       error (0, err, "pthread_attr_getguardsize failed");
 104       result = tf;
 105     }
 106   else
 107     {
 108       err = pthread_attr_getguardsize (ap, &guardsize2);
 109       if (err)
 110         {
 111           error (0, err, "pthread_attr_getguardsize failed");
 112           result = tf;
 113         }
 114       else if (guardsize1 != guardsize2)
 115         {
 116           error (0, 0, "guardsize differs %zd != %zd",
 117                  guardsize1, guardsize2);
 118           result = tf;
 119         }
 120       else
 121         printf ("thread guardsize %zd\n", guardsize1);
 122     }
 123
 124   int scope1, scope2;
 125   err = pthread_attr_getscope (&a, &scope1);
 126   if (err)
 127     {
 128       error (0, err, "pthread_attr_getscope failed");
 129       result = tf;
 130     }
 131   else
 132     {
 133       err = pthread_attr_getscope (ap, &scope2);
 134       if (err)
 135         {
 136           error (0, err, "pthread_attr_getscope failed");
 137           result = tf;
 138         }
 139       else if (scope1 != scope2)
 140         {
 141           error (0, 0, "scope differs %d != %d",
 142                  scope1, scope2);
 143           result = tf;
 144         }
 145     }
 146
 147   err = pthread_attr_destroy (&a);
 148   if (err)
 149     {
 150       error (0, err, "pthread_attr_destroy failed");
 151       result = tf;
 152     }
 153
 154   if (ap == &a2)
 155     {
 156       err = pthread_attr_destroy (ap);
 157       if (err)
 158         {
 159           error (0, err, "pthread_attr_destroy failed");
 160           result = tf;
 161         }
 162     }
 163
 164   return result;
 165 }
 166
 167
 168 static int
 169 do_test (void)
 170 {
 171   int result = 0;
 172   pthread_attr_t a;
 173
 174   int err = pthread_attr_init (&a);
 175   if (err)
 176     {
 177       error (0, err, "pthread_attr_init failed");
 178       result = 1;
 179     }
 180
 181   err = pthread_attr_destroy (&a);
 182   if (err)
 183     {
 184       error (0, err, "pthread_attr_destroy failed");
 185       result = 1;
 186     }
 187
 188   err = pthread_getattr_np (pthread_self (), &a);
 189   if (err)
 190     {
 191       error (0, err, "pthread_getattr_np failed");
 192       result = 1;
 193     }
 194
 195   int detachstate;
 196   err = pthread_attr_getdetachstate (&a, &detachstate);
 197   if (err)
 198     {
 199       error (0, err, "pthread_attr_getdetachstate failed");
 200       result = 1;
 201     }
 202   else if (detachstate != PTHREAD_CREATE_JOINABLE)
 203     {
 204       error (0, 0, "initial thread not joinable");
 205       result = 1;
 206     }
 207
 208   void *stackaddr;
 209   size_t stacksize;
 210   err = pthread_attr_getstack (&a, &stackaddr, &stacksize);
 211   if (err)
 212     {
 213       error (0, err, "pthread_attr_getstack failed");
 214       result = 1;
 215     }
 216   else if ((void *) &a < stackaddr
 217            || (void *) &a >= stackaddr + stacksize)
 218     {
 219       error (0, 0, "pthread_attr_getstack returned range does not cover main's stack");
 220       result = 1;
 221     }
 222   else
 223     printf ("initial thread stack %p-%p (0x%zx)\n", stackaddr,
 224             stackaddr + stacksize, stacksize);
 225
 226   size_t guardsize;
 227   err = pthread_attr_getguardsize (&a, &guardsize);
 228   if (err)
 229     {
 230       error (0, err, "pthread_attr_getguardsize failed");
 231       result = 1;
 232     }
 233   else if (guardsize != 0)
 234     {
 235       error (0, 0, "pthread_attr_getguardsize returned %zd != 0",
 236              guardsize);
 237       result = 1;
 238     }
 239
 240   int scope;
 241   err = pthread_attr_getscope (&a, &scope);
 242   if (err)
 243     {
 244       error (0, err, "pthread_attr_getscope failed");
 245       result = 1;
 246     }
 247   else if (scope != PTHREAD_SCOPE_SYSTEM)
 248     {
 249       error (0, 0, "pthread_attr_getscope returned %d != PTHREAD_SCOPE_SYSTEM",
 250              scope);
 251       result = 1;
 252     }
 253
 254   int inheritsched;
 255   err = pthread_attr_getinheritsched (&a, &inheritsched);
 256   if (err)
 257     {
 258       error (0, err, "pthread_attr_getinheritsched failed");
 259       result = 1;
 260     }
 261   else if (inheritsched != PTHREAD_INHERIT_SCHED)
 262     {
 263       error (0, 0, "pthread_attr_getinheritsched returned %d != PTHREAD_INHERIT_SCHED",
 264              inheritsched);
 265       result = 1;
 266     }
 267
 268   err = pthread_attr_destroy (&a);
 269   if (err)
 270     {
 271       error (0, err, "pthread_attr_destroy failed");
 272       result = 1;
 273     }
 274
 275   pthread_t th;
 276   err = pthread_create (&th, NULL, tf, NULL);
 277   if (err)
 278     {
 279       error (0, err, "pthread_create #1 failed");
 280       result = 1;
 281     }
 282   else
 283     {
 284       void *ret;
 285       err = pthread_join (th, &ret);
 286       if (err)
 287         {
 288           error (0, err, "pthread_join #1 failed");
 289           result = 1;
 290         }
 291       else if (ret != NULL)
 292         result = 1;
 293     }
 294
 295   err = pthread_attr_init (&a);
 296   if (err)
 297     {
 298       error (0, err, "pthread_attr_init failed");
 299       result = 1;
 300     }
 301
 302   err = pthread_create (&th, &a, tf, &a);
 303   if (err)
 304     {
 305       error (0, err, "pthread_create #2 failed");
 306       result = 1;
 307     }
 308   else
 309     {
 310       void *ret;
 311       err = pthread_join (th, &ret);
 312       if (err)
 313         {
 314           error (0, err, "pthread_join #2 failed");
 315           result = 1;
 316         }
 317       else if (ret != NULL)
 318         result = 1;
 319     }
 320
 321   err = pthread_attr_setguardsize (&a, 16 * sysconf (_SC_PAGESIZE));
 322   if (err)
 323     {
 324       error (0, err, "pthread_attr_setguardsize failed");
 325       result = 1;
 326     }
 327
 328   err = pthread_create (&th, &a, tf, &a);
 329   if (err)
 330     {
 331       error (0, err, "pthread_create #3 failed");
 332       result = 1;
 333     }
 334   else
 335     {
 336       void *ret;
 337       err = pthread_join (th, &ret);
 338       if (err)
 339         {
 340           error (0, err, "pthread_join #3 failed");
 341           result = 1;
 342         }
 343       else if (ret != NULL)
 344         result = 1;
 345     }
 346
 347   err = pthread_attr_destroy (&a);
 348   if (err)
 349     {
 350       error (0, err, "pthread_attr_destroy failed");
 351       result = 1;
 352     }
 353
 354   return result;
 355 }
 356
 357 #define TEST_FUNCTION do_test ()
 358 #include "../test-skeleton.c"