1  /* Copyright (C) 2002-2023 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  #include <errno.h>
      19  #include "pthreadP.h"
      20  #include <shlib-compat.h>
      21  
      22  
      23  #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2)
      24  int
      25  __pthread_cond_init_2_0 (pthread_cond_2_0_t *cond,
      26  			 const pthread_condattr_t *cond_attr)
      27  {
      28    struct pthread_condattr *icond_attr = (struct pthread_condattr *) cond_attr;
      29  
      30    /* The type of the first argument is actually that of the old, too
      31       small pthread_cond_t.  We use only the first word of it, as a
      32       pointer.  */
      33    cond->cond = NULL;
      34  
      35    /* We can't support PSHARED condvars in the old pthread_cond_*
      36       functions and neither clocks other than CLOCK_REALTIME.  */
      37    if (icond_attr != NULL && icond_attr->value)
      38      return EINVAL;
      39  
      40    return 0;
      41  }
      42  compat_symbol (libc, __pthread_cond_init_2_0, pthread_cond_init,
      43  	       GLIBC_2_0);
      44  #endif