1  /* Test for proper error/errno handling in clone.
       2     Copyright (C) 2006-2023 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, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  /* BZ #2386 */
      20  #include <errno.h>
      21  #include <stdio.h>
      22  #include <stdlib.h>
      23  #include <unistd.h>
      24  #include <sched.h>
      25  
      26  #ifdef __ia64__
      27  extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
      28  		     size_t __child_stack_size, int __flags, void *__arg, ...);
      29  #endif
      30  
      31  int child_fn(void *arg)
      32  {
      33    puts ("FAIL: in child_fn(); should not be here");
      34    exit(1);
      35  }
      36  
      37  static int
      38  do_test (void)
      39  {
      40    int result;
      41  
      42  #ifdef __ia64__
      43    result = __clone2 (child_fn, NULL, 0, 0, NULL, NULL, NULL);
      44  #else
      45    result = clone (child_fn, NULL, 0, NULL);
      46  #endif
      47  
      48    if (errno != EINVAL || result != -1)
      49      {
      50        printf ("FAIL: clone()=%d (wanted -1) errno=%d (wanted %d)\n",
      51                result, errno, EINVAL);
      52        return 1;
      53      }
      54  
      55    puts ("All OK");
      56    return 0;
      57  }
      58  
      59  #define TEST_FUNCTION do_test ()
      60  #include "../test-skeleton.c"