threadstart.c

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

/*
 *  Thread Handler
 *
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id: threadstart.c,v 1.3.6.1 2003/09/04 18:52:48 joel Exp $
 */

#include <rtems/system.h>
#include <rtems/score/apiext.h>
#include <rtems/score/context.h>
#include <rtems/score/interr.h>
#include <rtems/score/isr.h>
#include <rtems/score/object.h>
#include <rtems/score/priority.h>
#include <rtems/score/states.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/thread.h>
#include <rtems/score/threadq.h>
#include <rtems/score/userext.h>
#include <rtems/score/wkspace.h>

/*
 *  _Thread_Start
 *
 *  DESCRIPTION:
 *
 *  This routine initializes the executable information for a thread
 *  and makes it ready to execute.  After this routine executes, the
 *  thread competes with all other threads for CPU time.
 */
 
boolean _Thread_Start(
  Thread_Control       *the_thread,
  Thread_Start_types    the_prototype,
  void                 *entry_point,
  void                 *pointer_argument,
  unsigned32            numeric_argument
)
{
  if ( _States_Is_dormant( the_thread->current_state ) ) {
 
    the_thread->Start.entry_point      = (Thread_Entry) entry_point;
   
    the_thread->Start.prototype        = the_prototype;
    the_thread->Start.pointer_argument = pointer_argument;
    the_thread->Start.numeric_argument = numeric_argument;
 
    _Thread_Load_environment( the_thread );
 
    _Thread_Ready( the_thread );
 
    _User_extensions_Thread_start( the_thread );
 
    return TRUE;
  }
 
  return FALSE;
 
}