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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [src/] [eventsend.c] - Rev 751
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/* * Event Manager * * COPYRIGHT (c) 1989-1999. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.OARcorp.com/rtems/license.html. * * $Id: eventsend.c,v 1.2 2001-09-27 11:59:19 chris Exp $ */ #include <rtems/system.h> #include <rtems/rtems/status.h> #include <rtems/rtems/event.h> #include <rtems/score/isr.h> #include <rtems/score/object.h> #include <rtems/rtems/options.h> #include <rtems/score/states.h> #include <rtems/score/thread.h> #include <rtems/rtems/tasks.h> /*PAGE * * rtems_event_send * * This directive allows a thread send an event set to another thread. * * Input parameters: * id - thread id * event - event set * * Output parameters: * RTEMS_SUCCESSFUL - if successful * error code - if unsuccessful */ rtems_status_code rtems_event_send( Objects_Id id, rtems_event_set event_in ) { register Thread_Control *the_thread; Objects_Locations location; RTEMS_API_Control *api; the_thread = _Thread_Get( id, &location ); switch ( location ) { case OBJECTS_REMOTE: #if defined(RTEMS_MULTIPROCESSING) return( _Event_MP_Send_request_packet( EVENT_MP_SEND_REQUEST, id, event_in ) ); #endif case OBJECTS_ERROR: return RTEMS_INVALID_ID; case OBJECTS_LOCAL: api = the_thread->API_Extensions[ THREAD_API_RTEMS ]; _Event_sets_Post( event_in, &api->pending_events ); _Event_Surrender( the_thread ); _Thread_Enable_dispatch(); return RTEMS_SUCCESSFUL; } return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */ }
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