nptl/tst-basic1.c

   1 /* Copyright (C) 2002-2016 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <pthread.h>
  20 #include <stdio.h>
  21 #include <unistd.h>
  22 #include <sys/types.h>
  23
  24
  25 static pid_t pid;
  26
  27 static void *
  28 tf (void *a)
  29 {
  30   if (getpid () != pid)
  31     {
  32       write (2, "pid mismatch\n", 13);
  33       _exit (1);
  34     }
  35
  36   return a;
  37 }
  38
  39
  40 int
  41 do_test (void)
  42 {
  43   pid = getpid ();
  44
  45 #define N 2
  46   pthread_t t[N];
  47   int i;
  48
  49   for (i = 0; i < N; ++i)
  50     if (pthread_create (&t[i], NULL, tf, (void *) (long int) (i + 1)) != 0)
  51       {
  52         write (2, "create failed\n", 14);
  53         _exit (1);
  54       }
  55     else
  56       printf ("created thread %d\n", i);
  57
  58   for (i = 0; i < N; ++i)
  59     {
  60       void *r;
  61       int e;
  62       if ((e = pthread_join (t[i], &r)) != 0)
  63         {
  64           printf ("join failed: %d\n", e);
  65           _exit (1);
  66         }
  67       else if (r != (void *) (long int) (i + 1))
  68         {
  69           write (2, "result wrong\n", 13);
  70           _exit (1);
  71         }
  72       else
  73         printf ("joined thread %d\n", i);
  74     }
  75
  76   return 0;
  77 }
  78
  79
  80 #define TEST_FUNCTION do_test ()
  81 #include "../test-skeleton.c"