uclibc-ng/libc/misc/pthread/weaks.c

/* The weak pthread functions for Linux.
   Copyright (C) 1996, 1997, 1998 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 Library General Public License as
   published by the Free Software Foundation; either version 2 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <errno.h>
#include <limits.h>
#include <stdlib.h>

static int __pthread_return_0 __P ((void));
static int __pthread_return_1 __P ((void));

/**********************************************************************/
/* Weaks for application/library use.
 *
 * Verified by comparing to glibc's linuxthreads/forward.c and defined
 * only those that are in the glibc abi.
 * The commented aliases are ones that were previously defined in uClibc
 * and which I left in for documentation.
 */

weak_alias (__pthread_return_0, pthread_attr_destroy)
weak_alias (__pthread_return_0, pthread_attr_getdetachstate)
weak_alias (__pthread_return_0, pthread_attr_getinheritsched)
weak_alias (__pthread_return_0, pthread_attr_getschedparam)
weak_alias (__pthread_return_0, pthread_attr_getschedpolicy)
weak_alias (__pthread_return_0, pthread_attr_getscope)
/* weak_alias (__pthread_return_0, pthread_attr_getstackaddr) */
/* weak_alias (__pthread_return_0, pthread_attr_getstacksize) */
weak_alias (__pthread_return_0, pthread_attr_init)
weak_alias (__pthread_return_0, pthread_attr_setdetachstate)
weak_alias (__pthread_return_0, pthread_attr_setinheritsched)
weak_alias (__pthread_return_0, pthread_attr_setschedparam)
weak_alias (__pthread_return_0, pthread_attr_setschedpolicy)
weak_alias (__pthread_return_0, pthread_attr_setscope)
/* weak_alias (__pthread_return_0, pthread_attr_setstackaddr) */
/* weak_alias (__pthread_return_0, pthread_attr_setstacksize) */
weak_alias (__pthread_return_0, pthread_cond_broadcast)
weak_alias (__pthread_return_0, pthread_cond_destroy)
weak_alias (__pthread_return_0, pthread_cond_init)
weak_alias (__pthread_return_0, pthread_cond_signal)
weak_alias (__pthread_return_0, pthread_cond_timedwait)
weak_alias (__pthread_return_0, pthread_cond_wait)
weak_alias (__pthread_return_0, pthread_condattr_destroy)
weak_alias (__pthread_return_0, pthread_condattr_init)
weak_alias (__pthread_return_0, pthread_getschedparam)
/* weak_alias (__pthread_return_0, pthread_getcancelstate) */
/* weak_alias (__pthread_return_0, pthread_getconcurrency) */
/* weak_alias (__pthread_return_0, pthread_getschedparam) */
weak_alias (__pthread_return_0, pthread_mutex_destroy)
weak_alias (__pthread_return_0, pthread_mutex_init)
weak_alias (__pthread_return_0, pthread_mutex_lock)
/* weak_alias (__pthread_return_0, pthread_mutex_trylock) */
weak_alias (__pthread_return_0, pthread_mutex_unlock)
/* weak_alias (__pthread_return_0, pthread_mutexattr_destroy) */
/* weak_alias (__pthread_return_0, pthread_mutexattr_gettype) */
/* weak_alias (__pthread_return_0, pthread_mutexattr_init) */
/* weak_alias (__pthread_return_0, pthread_mutexattr_settype) */
/* weak_alias (__pthread_return_0, pthread_rwlock_destroy) */
/* weak_alias (__pthread_return_0, pthread_rwlock_init) */
/* weak_alias (__pthread_return_0, pthread_rwlock_rdlock) */
/* weak_alias (__pthread_return_0, pthread_rwlock_tryrdlock) */
/* weak_alias (__pthread_return_0, pthread_rwlock_trywrlock) */
/* weak_alias (__pthread_return_0, pthread_rwlock_unlock) */
/* weak_alias (__pthread_return_0, pthread_rwlock_wrlock) */
/* weak_alias (__pthread_return_0, pthread_rwlockattr_destroy) */
/* weak_alias (__pthread_return_0, pthread_rwlockattr_getpshared) */
/* weak_alias (__pthread_return_0, pthread_rwlockattr_init) */
/* weak_alias (__pthread_return_0, pthread_rwlockattr_setpshared) */
weak_alias (__pthread_return_0, pthread_self)
weak_alias (__pthread_return_0, pthread_setcancelstate)
weak_alias (__pthread_return_0, pthread_setcanceltype)
/* weak_alias (__pthread_return_0, pthread_setconcurrency) */
weak_alias (__pthread_return_0, pthread_setschedparam)

/* Those are pthread functions which return 1 if successful. */
weak_alias (__pthread_return_1, pthread_equal)

/* pthread_exit () is a special case. */
void weak_function 
pthread_exit (void *retval)
{
  exit (EXIT_SUCCESS);
}

/**********************************************************************/
/* Weaks used internally by the C library. */
weak_alias (__pthread_return_0, __pthread_mutex_init)
weak_alias (__pthread_return_0, __pthread_mutex_lock)
weak_alias (__pthread_return_0, __pthread_mutex_trylock)
weak_alias (__pthread_return_0, __pthread_mutex_unlock)

/**********************************************************************/

static int
__pthread_return_0 (void)
{
  return 0;
}

static int
__pthread_return_1 (void)
{
  return 1;
}