/* thr_cthreads.c - wrapper for mach cthreads */
/* $OpenLDAP: pkg/ldap/libraries/libldap_r/thr_cthreads.c,v 1.17.2.4 2007/01/02 21:43:50 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 1998-2007 The OpenLDAP Foundation.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted only as authorized by the OpenLDAP
 * Public License.
 *
 * A copy of this license is available in file LICENSE in the
 * top-level directory of the distribution or, alternatively, at
 * <http://www.OpenLDAP.org/license.html>.
 */
/* This work was initially developed by Luke Howard for inclusion
 * in U-MICH LDAP 3.3.
 */

#include "portable.h"

#if defined( HAVE_MACH_CTHREADS )
#include "ldap_pvt_thread.h" /* Get the thread interface */
#define LDAP_THREAD_IMPLEMENTATION
#include "ldap_thr_debug.h"  /* May rename the symbols defined below */

int
ldap_int_thread_initialize( void )
{
	return 0;
}

int
ldap_int_thread_destroy( void )
{
	return 0;
}

int 
ldap_pvt_thread_create( ldap_pvt_thread_t * thread, 
	int detach,
	void *(*start_routine)( void *), void *arg)
{
	*thread = cthread_fork( (cthread_fn_t) start_routine, arg);
	return ( *thread == NULL ? -1 : 0 );	
}

void 
ldap_pvt_thread_exit( void *retval )
{
	cthread_exit( (any_t) retval );
}

int 
ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
{
	void *status;
	status = (void *) cthread_join ( thread );
	if (thread_return != NULL)
		{
		*thread_return = status;
		}
	return 0;
}

int 
ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
{
	return 0;
}

int 
ldap_pvt_thread_yield( void )
{
	cthread_yield();
	return 0;
}

int 
ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
{
	condition_init( cond );
	return( 0 );
}

int 
ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cond )
{
	condition_clear( cond );
	return( 0 );
}

int 
ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
{
	condition_signal( cond );
	return( 0 );
}

int
ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
{
	condition_broadcast( cond );
	return( 0 );
}

int 
ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond, 
			  ldap_pvt_thread_mutex_t *mutex )
{
	condition_wait( cond, mutex );
	return( 0 );	
}

int 
ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
{
	mutex_init( mutex );
	mutex->name = NULL;
	return ( 0 );
}

int 
ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
{
	mutex_clear( mutex );
	return ( 0 );	
}
	
int 
ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
{
	mutex_lock( mutex );
	return ( 0 );
}

int 
ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
{
	mutex_unlock( mutex );
	return ( 0 );
}

int
ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
{
	return mutex_try_lock( mutex );
}

ldap_pvt_thread_t
ldap_pvt_thread_self( void )
{
	return cthread_self();
}

#endif /* HAVE_MACH_CTHREADS */
