From 5fdca8afca1169b85ac1f79f547b75937980fa3c Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Wed, 15 Nov 2006 14:15:24 +0000 Subject: 2006-11-15 Joel Sherrill * score/inline/rtems/score/threadq.inl, score/src/corerwlocktimeout.c: New files. --- cpukit/score/inline/rtems/score/threadq.inl | 71 +++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 cpukit/score/inline/rtems/score/threadq.inl (limited to 'cpukit/score/inline') diff --git a/cpukit/score/inline/rtems/score/threadq.inl b/cpukit/score/inline/rtems/score/threadq.inl new file mode 100644 index 0000000000..ccbb928849 --- /dev/null +++ b/cpukit/score/inline/rtems/score/threadq.inl @@ -0,0 +1,71 @@ +/** + * @file rtems/score/threadq.inl + * + * This inline file contains all of the inlined routines associated with + * the manipulation of thread queues. + */ + +/* + * COPYRIGHT (c) 1989-2006. + * 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.com/license/LICENSE. + * + * $Id$ + */ + +#ifndef _RTEMS_SCORE_THREADQ_INL +#define _RTEMS_SCORE_THREADQ_INL + +#include + +/** + * @addtogroup ScoreThreadQ + * @{ + */ + +/** + * + * @brief Process Thread Queue Timeout + * + * This is a shared helper routine which makes it easier to have multiple + * object class specific timeout routines. + * + * @param[in] the_thread is the thread to extract + * + * @note Assume Dispatching is disabled. + */ +static inline void _Thread_queue_Process_timeout( + Thread_Control *the_thread +) +{ + Thread_queue_Control *the_thread_queue = the_thread->Wait.queue; + + /* + * If the_thread_queue is not synchronized, then it is either + * "nothing happened", "timeout", or "satisfied". If the_thread + * is the executing thread, then it is in the process of blocking + * and it is the thread which is responsible for the synchronization + * process. + * + * If it is not satisfied, then it is "nothing happened" and + * this is the "timeout" transition. After a request is satisfied, + * a timeout is not allowed to occur. + */ + + if ( the_thread_queue->sync_state != THREAD_QUEUE_SYNCHRONIZED && + _Thread_Is_executing( the_thread ) ) { + if ( the_thread_queue->sync_state != THREAD_QUEUE_SATISFIED ) + the_thread_queue->sync_state = THREAD_QUEUE_TIMEOUT; + } else { + the_thread->Wait.return_code = the_thread->Wait.queue->timeout_status; + _Thread_queue_Extract( the_thread->Wait.queue, the_thread ); + } +} + +/**@}*/ + +#endif +/* end of include file */ -- cgit v1.2.3