diff options
Diffstat (limited to 'cpukit/include/rtems/score/schedulernode.h')
-rw-r--r-- | cpukit/include/rtems/score/schedulernode.h | 45 |
1 files changed, 32 insertions, 13 deletions
diff --git a/cpukit/include/rtems/score/schedulernode.h b/cpukit/include/rtems/score/schedulernode.h index 1dba200dca..65a33a1485 100644 --- a/cpukit/include/rtems/score/schedulernode.h +++ b/cpukit/include/rtems/score/schedulernode.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -9,17 +11,28 @@ */ /* - * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved. + * Copyright (C) 2014, 2016 embedded brains GmbH & Co. KG * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> + * 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. * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * 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. */ #ifndef _RTEMS_SCORE_SCHEDULERNODE_H @@ -28,7 +41,7 @@ #include <rtems/score/basedefs.h> #include <rtems/score/chain.h> #include <rtems/score/priority.h> -#include <rtems/score/smplockseq.h> +#include <rtems/score/isrlock.h> /** * @addtogroup RTEMSScoreScheduler @@ -197,14 +210,20 @@ struct Scheduler_Node { * least-significant bit which indicates if the thread should be appended * (bit set) or prepended (bit cleared) to its priority group, see * SCHEDULER_PRIORITY_APPEND(). + * + * @see _Scheduler_Node_get_priority() and _Scheduler_Node_set_priority(). */ +#if defined(RTEMS_SMP) && CPU_SIZEOF_POINTER == 8 + Atomic_Ulong value; +#else Priority_Control value; +#endif -#if defined(RTEMS_SMP) +#if defined(RTEMS_SMP) && CPU_SIZEOF_POINTER != 8 /** - * @brief Sequence lock to synchronize priority value updates. + * @brief The lock protects the priority value. */ - SMP_sequence_lock_Control Lock; + ISR_lock_Control Lock; #endif } Priority; }; |