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/*
* Copyright (c) 2001 Daniel Eischen <deischen@FreeBSD.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <signal.h>
#include <pthread.h>
#include <pthread_np.h>
/*
* Weak symbols: All libc internal usage of these functions should
* use the weak symbol versions (_pthread_XXX). If libpthread is
* linked, it will override these functions with (non-weak) routines.
* The _pthread_XXX functions are provided solely for internal libc
* usage to avoid unwanted cancellation points and to differentiate
* between application locks and libc locks (threads holding the
* latter can't be allowed to exit/terminate).
*/
__weak_reference(_pthread_cond_init_stub, _pthread_cond_init);
__weak_reference(_pthread_cond_signal_stub, _pthread_cond_signal);
__weak_reference(_pthread_cond_wait_stub, _pthread_cond_wait);
__weak_reference(_pthread_getspecific_stub, _pthread_getspecific);
__weak_reference(_pthread_key_create_stub, _pthread_key_create);
__weak_reference(_pthread_key_delete_stub, _pthread_key_delete);
__weak_reference(_pthread_main_np_stub, _pthread_main_np);
__weak_reference(_pthread_mutex_destroy_stub, _pthread_mutex_destroy);
__weak_reference(_pthread_mutex_init_stub, _pthread_mutex_init);
__weak_reference(_pthread_mutex_lock_stub, _pthread_mutex_lock);
__weak_reference(_pthread_mutex_trylock_stub, _pthread_mutex_trylock);
__weak_reference(_pthread_mutex_unlock_stub, _pthread_mutex_unlock);
__weak_reference(_pthread_mutexattr_init_stub, _pthread_mutexattr_init);
__weak_reference(_pthread_mutexattr_destroy_stub, _pthread_mutexattr_destroy);
__weak_reference(_pthread_mutexattr_settype_stub, _pthread_mutexattr_settype);
__weak_reference(_pthread_once_stub, _pthread_once);
__weak_reference(_pthread_self_stub, _pthread_self);
__weak_reference(_pthread_rwlock_init_stub, _pthread_rwlock_init);
__weak_reference(_pthread_rwlock_rdlock_stub, _pthread_rwlock_rdlock);
__weak_reference(_pthread_rwlock_tryrdlock_stub, _pthread_rwlock_tryrdlock);
__weak_reference(_pthread_rwlock_trywrlock_stub, _pthread_rwlock_trywrloc);
__weak_reference(_pthread_rwlock_unlock_stub, _pthread_rwlock_unlock);
__weak_reference(_pthread_rwlock_wrlock_stub, _pthread_rwlock_wrlock);
__weak_reference(_pthread_setspecific_stub, _pthread_setspecific);
__weak_reference(_pthread_sigmask_stub, _pthread_sigmask);
/* Define a null pthread structure just to satisfy _pthread_self. */
struct pthread {
};
static struct pthread main_thread;
int
_pthread_cond_init_stub(pthread_cond_t *cond,
const pthread_condattr_t *cond_attr)
{
return (0);
}
int
_pthread_cond_signal_stub(pthread_cond_t *cond)
{
return (0);
}
int
_pthread_cond_wait_stub(pthread_cond_t *cond, pthread_mutex_t *mutex)
{
return (0);
}
void *
_pthread_getspecific_stub(pthread_key_t key)
{
return (NULL);
}
int
_pthread_key_create_stub(pthread_key_t *key, void (*destructor) (void *))
{
return (0);
}
int
_pthread_key_delete_stub(pthread_key_t key)
{
return (0);
}
int
_pthread_main_np_stub()
{
return (-1);
}
int
_pthread_mutex_destroy_stub(pthread_mutex_t *mattr)
{
return (0);
}
int
_pthread_mutex_init_stub(pthread_mutex_t *mutex, const pthread_mutexattr_t *mattr)
{
return (0);
}
int
_pthread_mutex_lock_stub(pthread_mutex_t *mutex)
{
return (0);
}
int
_pthread_mutex_trylock_stub(pthread_mutex_t *mutex)
{
return (0);
}
int
_pthread_mutex_unlock_stub(pthread_mutex_t *mutex)
{
return (0);
}
int
_pthread_mutexattr_init_stub(pthread_mutexattr_t *mattr)
{
return (0);
}
int
_pthread_mutexattr_destroy_stub(pthread_mutexattr_t *mattr)
{
return (0);
}
int
_pthread_mutexattr_settype_stub(pthread_mutexattr_t *mattr, int type)
{
return (0);
}
int
_pthread_once_stub(pthread_once_t *once_control, void (*init_routine) (void))
{
return (0);
}
int
_pthread_rwlock_init_stub(pthread_rwlock_t *rwlock,
const pthread_rwlockattr_t *attr)
{
return (0);
}
int
_pthread_rwlock_destroy_stub(pthread_rwlock_t *rwlock)
{
return (0);
}
int
_pthread_rwlock_rdlock_stub(pthread_rwlock_t *rwlock)
{
return (0);
}
int
_pthread_rwlock_tryrdlock_stub(pthread_rwlock_t *rwlock)
{
return (0);
}
int
_pthread_rwlock_trywrlock_stub(pthread_rwlock_t *rwlock)
{
return (0);
}
int
_pthread_rwlock_unlock_stub(pthread_rwlock_t *rwlock)
{
return (0);
}
int
_pthread_rwlock_wrlock_stub(pthread_rwlock_t *rwlock)
{
return (0);
}
pthread_t
_pthread_self_stub(void)
{
return (&main_thread);
}
int
_pthread_setspecific_stub(pthread_key_t key, const void *value)
{
return (0);
}
int
_pthread_sigmask_stub(int how, const sigset_t *set, sigset_t *oset)
{
return (0);
}
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