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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2021-11-11 09:00:03 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2021-11-23 11:00:28 +0100 |
commit | 2e56aabdb1035bd102713382dd03e9b0955eb1f2 (patch) | |
tree | 9296c9921413c1bfc34617b369c785a7a7d9806b /cpukit/score/src/threadqextract.c | |
parent | score: Simplify thread wait state handling (diff) | |
download | rtems-2e56aabdb1035bd102713382dd03e9b0955eb1f2.tar.bz2 |
score: Move _Thread_queue_Extract()
Move _Thread_queue_Extract() since this function is not used by the core
services (threads, semaphores, mutexes, message queues).
Update #4546.
Diffstat (limited to '')
-rw-r--r-- | cpukit/score/src/threadqextract.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/cpukit/score/src/threadqextract.c b/cpukit/score/src/threadqextract.c new file mode 100644 index 0000000000..0c6efedbaf --- /dev/null +++ b/cpukit/score/src/threadqextract.c @@ -0,0 +1,57 @@ +/** + * @file + * + * @ingroup RTEMSScoreThreadQueue + * + * @brief This source file contains the implementation of + * _Thread_queue_Extract(). + */ + +/* + * COPYRIGHT (c) 1989-2014. + * On-Line Applications Research Corporation (OAR). + * + * Copyright (c) 2015, 2016 embedded brains GmbH. + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/score/threadqimpl.h> +#include <rtems/score/threadimpl.h> + +void _Thread_queue_Extract( Thread_Control *the_thread ) +{ + Thread_queue_Context queue_context; + Thread_queue_Queue *queue; + + _Thread_queue_Context_initialize( &queue_context ); + _Thread_queue_Context_clear_priority_updates( &queue_context ); + _Thread_Wait_acquire( the_thread, &queue_context ); + + queue = the_thread->Wait.queue; + + if ( queue != NULL ) { + _Thread_Wait_remove_request( the_thread, &queue_context.Lock_context ); + _Thread_queue_Context_set_MP_callout( + &queue_context, + _Thread_queue_MP_callout_do_nothing + ); +#if defined(RTEMS_MULTIPROCESSING) + _Thread_queue_MP_set_callout( the_thread, &queue_context ); +#endif + ( *the_thread->Wait.operations->extract )( + queue, + the_thread, + &queue_context + ); + _Thread_queue_Resume( queue, the_thread, &queue_context ); + } else { + _Thread_Wait_release( the_thread, &queue_context ); + } +} |