/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreThread
*
* @brief This source file contains the implementation of
* _Thread_Continue() and _Thread_Timeout().
*/
/*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/threadimpl.h>
#include <rtems/score/status.h>
void _Thread_Continue( Thread_Control *the_thread, Status_Control status )
{
Thread_queue_Context queue_context;
Thread_Wait_flags wait_flags;
bool unblock;
_Thread_queue_Context_initialize( &queue_context );
_Thread_queue_Context_clear_priority_updates( &queue_context );
_Thread_Wait_acquire( the_thread, &queue_context );
wait_flags = _Thread_Wait_flags_get( the_thread );
if ( wait_flags != THREAD_WAIT_STATE_READY ) {
Thread_Wait_flags wait_class;
bool success;
_Thread_Wait_cancel( the_thread, &queue_context );
the_thread->Wait.return_code = status;
wait_class = wait_flags & THREAD_WAIT_CLASS_MASK;
success = _Thread_Wait_flags_try_change_release(
the_thread,
wait_class | THREAD_WAIT_STATE_INTEND_TO_BLOCK,
THREAD_WAIT_STATE_READY
);
if ( success ) {
unblock = false;
} else {
_Assert(
_Thread_Wait_flags_get( the_thread )
== ( wait_class | THREAD_WAIT_STATE_BLOCKED )
);
_Thread_Wait_flags_set( the_thread, THREAD_WAIT_STATE_READY );
unblock = true;
}
} else {
unblock = false;
}
_Thread_Wait_release( the_thread, &queue_context );
_Thread_Priority_update( &queue_context );
if ( unblock ) {
_Thread_Wait_tranquilize( the_thread );
_Thread_Unblock( the_thread );
#if defined(RTEMS_MULTIPROCESSING)
if ( !_Objects_Is_local_id( the_thread->Object.id ) ) {
_Thread_MP_Free_proxy( the_thread );
}
#endif
}
}
void _Thread_Timeout( Watchdog_Control *the_watchdog )
{
Thread_Control *the_thread;
the_thread = RTEMS_CONTAINER_OF(
the_watchdog,
Thread_Control,
Timer.Watchdog
);
_Thread_Continue( the_thread, STATUS_TIMEOUT );
}