/* Compatibility routines for cthreads.

   Copyright (C) 2000-2018 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

   <http://www.gnu.org/licenses/>.  */

#include <assert.h>

#include <pthreadP.h>

#define	CTHREAD_KEY_INVALID (__cthread_key_t) -1

void

__cthread_detach (__cthread_t thread)

{

  int err;

  err = __pthread_detach ((pthread_t) thread);

  assert_perror (err);

}

weak_alias (__cthread_detach, cthread_detach)

__cthread_t

__cthread_fork (__cthread_fn_t func, void *arg)

{

  pthread_t thread;

  int err;

  err = __pthread_create (&thread, NULL, func, arg);

  assert_perror (err);

  return (__cthread_t) thread;

}

weak_alias (__cthread_fork, cthread_fork)

int

__cthread_keycreate (__cthread_key_t *key)

{

  error_t err;

  err = __pthread_key_create (key, 0);

  if (err)

    {

      errno = err;

      *key = CTHREAD_KEY_INVALID;

      err = -1;

    }

  return err;

}

weak_alias (__cthread_keycreate, cthread_keycreate)

int

__cthread_getspecific (__cthread_key_t key, void **val)

{

  *val = __pthread_getspecific (key);

  return 0;

}

weak_alias (__cthread_getspecific, cthread_getspecific)

int

__cthread_setspecific (__cthread_key_t key, void *val)

{

  error_t err;

  err = __pthread_setspecific (key, (const void *) val);

  if (err)

    {

      errno = err;

      err = -1;

    }

  return err;

}

weak_alias (__cthread_setspecific, cthread_setspecific)

void

__mutex_lock_solid (void *lock)

{

  __pthread_mutex_lock (lock);

}

void

__mutex_unlock_solid (void *lock)

{

  if (__pthread_spin_trylock (lock) != 0)

    /* Somebody already got the lock, that one will manage waking up others */

    return;

  __pthread_mutex_unlock (lock);

}