nptl/tst-stack3.c

   1 /* Copyright (C) 2003 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 whether pthread_create/pthread_join with user defined stacks
  21    doesn't leak memory.  */
  22
  23 #include <limits.h>
  24 #include <mcheck.h>
  25 #include <pthread.h>
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <unistd.h>
  30
  31 static int seen;
  32
  33 static void *
  34 tf (void *p)
  35 {
  36   ++seen;
  37   return NULL;
  38 }
  39
  40 static int
  41 do_test (void)
  42 {
  43   mtrace ();
  44
  45   void *stack;
  46   int res = posix_memalign (&stack, getpagesize (), 4 * PTHREAD_STACK_MIN);
  47   if (res)
  48     {
  49       printf ("malloc failed %s\n", strerror (res));
  50       return 1;
  51     }
  52
  53   pthread_attr_t attr;
  54   pthread_attr_init (&attr);
  55
  56   int result = 0;
  57   res = pthread_attr_setstack (&attr, stack, 4 * PTHREAD_STACK_MIN);
  58   if (res)
  59     {
  60       printf ("pthread_attr_setstack failed %d\n", res);
  61       result = 1;
  62     }
  63
  64   for (int i = 0; i < 16; ++i)
  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 != 16)
  88     {
  89       printf ("seen %d != 16\n", seen);
  90       result = 1;
  91     }
  92
  93   free (stack);
  94   return result;
  95 }
  96
  97 #define TEST_FUNCTION do_test ()
  98 #include "../test-skeleton.c"