/* Copyright (C) 2002-2026 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <string.h>
#include <pthreadP.h>
#include <shlib-compat.h>

int
___pthread_mutexattr_init (pthread_mutexattr_t *attr)
{
  ASSERT_TYPE_SIZE (pthread_mutexattr_t, __SIZEOF_PTHREAD_MUTEXATTR_T);
  ASSERT_PTHREAD_INTERNAL_SIZE (pthread_mutexattr_t,
				struct pthread_mutexattr);

  if (sizeof (struct pthread_mutexattr) != sizeof (pthread_mutexattr_t))
    memset (attr, '\0', sizeof (*attr));

  /* We use bit 31 to signal whether the mutex is going to be
     process-shared or not.  By default it is zero, i.e., the mutex is
     not process-shared.  */
  ((struct pthread_mutexattr *) attr)->mutexkind = PTHREAD_MUTEX_NORMAL;

  return 0;
}
versioned_symbol (libc, ___pthread_mutexattr_init,
		  pthread_mutexattr_init, GLIBC_2_34);
libc_hidden_ver (___pthread_mutexattr_init, __pthread_mutexattr_init)
#ifndef SHARED
strong_alias (___pthread_mutexattr_init, __pthread_mutexattr_init)
#endif

#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34)
compat_symbol (libpthread, ___pthread_mutexattr_init,
	       pthread_mutexattr_init, GLIBC_2_0);
compat_symbol (libpthread, ___pthread_mutexattr_init,
	       __pthread_mutexattr_init, GLIBC_2_0);
#endif
