semcreate.c

/*
 *                               POK header
 * 
 * The following file is a part of the POK project. Any modification should
 * made according to the POK licence. You CANNOT use this file or a part of
 * this file is this part of a file for your own project
 *
 * For more information on the POK licence, please see our LICENCE FILE
 *
 * Please follow the coding guidelines described in doc/CODING_GUIDELINES
 *
 *                                      Copyright (c) 2007-2009 POK team 
 *
 * Created by julien on Thu Jan 15 23:34:13 2009 
 */

#include <core/dependencies.h>

#ifdef POK_NEEDS_SEMAPHORES
#include <types.h>
#include <errno.h>
#include <core/semaphore.h>
#include <core/lockobj.h>
#include <core/syscall.h>

pok_ret_t pok_sem_create (pok_sem_id_t*                        id,
                          const pok_sem_value_t                current_value,
                          const pok_sem_value_t                max_value,
                          const pok_queueing_discipline_t      discipline)
{
   pok_lockobj_attr_t lockattr;
   lockattr.initial_value     = current_value;
   lockattr.max_value         = max_value;
   lockattr.queueing_policy   = discipline;
   lockattr.kind              = POK_LOCKOBJ_KIND_SEMAPHORE;

   return pok_syscall2 (POK_SYSCALL_LOCKOBJ_CREATE, (uint32_t)id, (uint32_t)&lockattr);
}

#endif