rtems/src/systemeventsend.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSImplClassicEvent
0007  *
0008  * @brief This source file contains the implementation of
0009  *   rtems_event_system_send().
0010  */
0011
0012 /*
0013  * Copyright (C) 2012, 2016 embedded brains GmbH & Co. KG
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifdef HAVE_CONFIG_H
0038 #include "config.h"
0039 #endif
0040
0041 #include <rtems/rtems/eventimpl.h>
0042 #include <rtems/rtems/tasksdata.h>
0043 #include <rtems/score/threadimpl.h>
0044
0045 rtems_status_code rtems_event_system_send(
0046   rtems_id        id,
0047   rtems_event_set event_in
0048 )
0049 {
0050   Thread_Control    *the_thread;
0051   RTEMS_API_Control *api;
0052   ISR_lock_Context   lock_context;
0053
0054   the_thread = _Thread_Get( id, &lock_context );
0055
0056   if ( the_thread == NULL ) {
0057 #if defined(RTEMS_MULTIPROCESSING)
0058     if ( _Thread_MP_Is_remote( id ) ) {
0059       return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
0060     }
0061 #endif
0062
0063     return RTEMS_INVALID_ID;
0064   }
0065
0066   api = the_thread->API_Extensions[ THREAD_API_RTEMS ];
0067   return _Event_Surrender(
0068     the_thread,
0069     event_in,
0070     &api->System_event,
0071     THREAD_WAIT_CLASS_SYSTEM_EVENT,
0072     &lock_context
0073   );
0074 }