nptl/tst-stack2.c

   1 /* Copyright (C) 2003-2021 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 /* Test whether it is possible to create a thread with PTHREAD_STACK_MIN
  19    stack size.  */
  20
  21 #include <pthread.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <limits.h>
  25
  26 static int seen;
  27
  28 static void *
  29 tf (void *p)
  30 {
  31   ++seen;
  32   return NULL;
  33 }
  34
  35 static int
  36 do_test (void)
  37 {
  38   pthread_attr_t attr;
  39   pthread_attr_init (&attr);
  40
  41   int result = 0;
  42   int res = pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
  43   if (res)
  44     {
  45       printf ("pthread_attr_setstacksize failed %d\n", res);
  46       result = 1;
  47     }
  48
  49   /* Create the thread.  */
  50   pthread_t th;
  51   res = pthread_create (&th, &attr, tf, NULL);
  52   if (res)
  53     {
  54       printf ("pthread_create failed %d\n", res);
  55       result = 1;
  56     }
  57   else
  58     {
  59       res = pthread_join (th, NULL);
  60       if (res)
  61         {
  62           printf ("pthread_join failed %d\n", res);
  63           result = 1;
  64         }
  65     }
  66
  67   if (seen != 1)
  68     {
  69       printf ("seen %d != 1\n", seen);
  70       result = 1;
  71     }
  72
  73   return result;
  74 }
  75
  76
  77 #define TEST_FUNCTION do_test ()
  78 #include "../test-skeleton.c"