/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreMutex
*
* @brief This source file contains the implementation of
* _CORE_mutex_Seize_slow().
*/
/*
* COPYRIGHT (c) 1989-2006.
* 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/coremuteximpl.h>
#include <rtems/score/statesimpl.h>
#include <rtems/score/thread.h>
#include <rtems/score/watchdog.h>
Status_Control _CORE_mutex_Seize_slow(
CORE_mutex_Control *the_mutex,
const Thread_queue_Operations *operations,
Thread_Control *executing,
bool wait,
Thread_queue_Context *queue_context
)
{
if ( wait ) {
_Thread_queue_Context_set_thread_state(
queue_context,
STATES_WAITING_FOR_MUTEX
);
_Thread_queue_Context_set_deadlock_callout(
queue_context,
_Thread_queue_Deadlock_status
);
_Thread_queue_Enqueue(
&the_mutex->Wait_queue.Queue,
operations,
executing,
queue_context
);
return _Thread_Wait_get_status( executing );
} else {
_CORE_mutex_Release( the_mutex, queue_context );
return STATUS_UNAVAILABLE;
}
}
