diff options
Diffstat (limited to '')
-rw-r--r-- | cpukit/rtems/src/eventsurrender.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/cpukit/rtems/src/eventsurrender.c b/cpukit/rtems/src/eventsurrender.c index 48c08e486f..2a0579bb51 100644 --- a/cpukit/rtems/src/eventsurrender.c +++ b/cpukit/rtems/src/eventsurrender.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -11,9 +13,26 @@ * COPYRIGHT (c) 1989-2008. * 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.rtems.org/license/LICENSE. + * 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 @@ -42,12 +61,10 @@ static bool _Event_Is_blocking_on_event( ) { Thread_Wait_flags wait_flags; - Thread_Wait_flags wait_mask; wait_flags = _Thread_Wait_flags_get( the_thread ); - wait_mask = THREAD_WAIT_CLASS_MASK | THREAD_WAIT_STATE_READY_AGAIN; - return ( wait_flags & wait_mask ) == wait_class; + return ( wait_flags & THREAD_WAIT_CLASS_MASK ) == wait_class; } static bool _Event_Is_satisfied( @@ -88,16 +105,14 @@ rtems_status_code _Event_Surrender( _Event_Is_blocking_on_event( the_thread, wait_class ) && _Event_Is_satisfied( the_thread, pending_events, &seized_events ) ) { - Thread_Wait_flags ready_again; - bool success; + bool success; _Event_Satisfy( the_thread, event, pending_events, seized_events ); - ready_again = wait_class | THREAD_WAIT_STATE_READY_AGAIN; success = _Thread_Wait_flags_try_change_release( the_thread, wait_class | THREAD_WAIT_STATE_INTEND_TO_BLOCK, - ready_again + THREAD_WAIT_STATE_READY ); if ( success ) { @@ -107,7 +122,7 @@ rtems_status_code _Event_Surrender( _Thread_Wait_flags_get( the_thread ) == ( wait_class | THREAD_WAIT_STATE_BLOCKED ) ); - _Thread_Wait_flags_set( the_thread, ready_again ); + _Thread_Wait_flags_set( the_thread, THREAD_WAIT_STATE_READY ); unblock = true; } } else { |