nptl/tst-stack2.c

   1 /* Copyright (C) 2003-2020 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, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 /* Test whether it is possible to create a thread with PTHREAD_STACK_MIN
  20    stack size.  */
  21
  22 #include <pthread.h>
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <limits.h>
  26
  27 static int seen;
  28
  29 static void *
  30 tf (void *p)
  31 {
  32   ++seen;
  33   return NULL;
  34 }
  35
  36 static int
  37 do_test (void)
  38 {
  39   pthread_attr_t attr;
  40   pthread_attr_init (&attr);
  41
  42   int result = 0;
  43   int res = pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
  44   if (res)
  45     {
  46       printf ("pthread_attr_setstacksize failed %d\n", res);
  47       result = 1;
  48     }
  49
  50   /* Create the thread.  */
  51   pthread_t th;
  52   res = pthread_create (&th, &attr, tf, NULL);
  53   if (res)
  54     {
  55       printf ("pthread_create failed %d\n", res);
  56       result = 1;
  57     }
  58   else
  59     {
  60       res = pthread_join (th, NULL);
  61       if (res)
  62         {
  63           printf ("pthread_join failed %d\n", res);
  64           result = 1;
  65         }
  66     }
  67
  68   if (seen != 1)
  69     {
  70       printf ("seen %d != 1\n", seen);
  71       result = 1;
  72     }
  73
  74   return result;
  75 }
  76
  77
  78 #define TEST_FUNCTION do_test ()
  79 #include "../test-skeleton.c"