linuxthreads/tst-stack1.c

   1 /* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 /* Test pthread_create/pthread_join with user defined stacks.  */
  21
  22 #include <limits.h>
  23 #include <pthread.h>
  24 #include <stdlib.h>
  25 #include <stdio.h>
  26 #include <string.h>
  27 #include <unistd.h>
  28
  29 static int seen;
  30
  31 static void *
  32 tf (void *p)
  33 {
  34   ++seen;
  35   return NULL;
  36 }
  37
  38 #define N 16
  39
  40 static int
  41 do_test (void)
  42 {
  43   void *stack;
  44   int res = posix_memalign (&stack, getpagesize (), N * 4 * PTHREAD_STACK_MIN);
  45   if (res)
  46     {
  47       printf ("malloc failed %s\n", strerror (res));
  48       return 1;
  49     }
  50
  51   pthread_attr_t attr;
  52   pthread_attr_init (&attr);
  53
  54   int result = 0;
  55   for (int i = 0; i < N; ++i)
  56     {
  57       res = pthread_attr_setstack (&attr, stack + i * 4 * PTHREAD_STACK_MIN,
  58                                    4 * PTHREAD_STACK_MIN);
  59       if (res)
  60         {
  61           printf ("pthread_attr_setstack failed %d\n", res);
  62           result = 1;
  63           continue;
  64         }
  65
  66       /* Create the thread.  */
  67       pthread_t th;
  68       res = pthread_create (&th, &attr, tf, NULL);
  69       if (res)
  70         {
  71           printf ("pthread_create failed %d\n", res);
  72           result = 1;
  73         }
  74       else
  75         {
  76           res = pthread_join (th, NULL);
  77           if (res)
  78             {
  79               printf ("pthread_join failed %d\n", res);
  80               result = 1;
  81             }
  82         }
  83     }
  84
  85   pthread_attr_destroy (&attr);
  86
  87   if (seen != N)
  88     {
  89       printf ("seen %d != %d\n", seen, N);
  90       result = 1;
  91     }
  92
  93   return result;
  94 }
  95
  96 #define TEST_FUNCTION do_test ()
  97 #include "../test-skeleton.c"