sysdeps/unix/sysv/linux/tst-clone.c

   1 /* Test for proper error/errno handling in clone.
   2    Copyright (C) 2006 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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 /* BZ #2386 */
  21 #include <errno.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <sched.h>
  26
  27 int child_fn(void *arg)
  28 {
  29   puts ("FAIL: in child_fn(); should not be here");
  30   exit(1);
  31 }
  32
  33 static int
  34 do_test (void)
  35 {
  36   int result;
  37
  38 #ifdef __ia64__
  39   result = __clone2(child_fn, NULL, 0, 0, NULL, NULL, NULL);
  40 #else
  41   result = clone(child_fn, NULL, (int) NULL, NULL);
  42 #endif
  43
  44   if (errno != EINVAL || result != -1)
  45     {
  46       printf ("FAIL: clone()=%d (wanted -1) errno=%d (wanted %d)\n",
  47               result, errno, EINVAL);
  48       return 1;
  49     }
  50
  51   puts ("All OK");
  52   return 0;
  53 }
  54
  55 #define TEST_FUNCTION do_test ()
  56 #include "../test-skeleton.c"