diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-01-30 14:56:57 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-01-30 14:56:57 +0000 |
| commit | c57f26bd079d35aa41963c13bd30c9322a99232d (patch) | |
| tree | 586f1339546d8c8b3c9a1d95f88d99aac6061ff5 /cpukit/score/src/threadqprocesstimeout.c | |
| parent | 2008-01-29 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
| download | rtems-c57f26bd079d35aa41963c13bd30c9322a99232d.tar.bz2 | |
2008-01-30 Joel Sherrill <joel.sherrill@OARcorp.com>
* score/Makefile.am, score/include/rtems/score/threadq.h,
score/inline/rtems/score/threadq.inl: _Thread_queue_Process_timeout
was really too complex to be inlined.
* score/src/threadqprocesstimeout.c: New file.
Diffstat (limited to 'cpukit/score/src/threadqprocesstimeout.c')
| -rw-r--r-- | cpukit/score/src/threadqprocesstimeout.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/cpukit/score/src/threadqprocesstimeout.c b/cpukit/score/src/threadqprocesstimeout.c new file mode 100644 index 0000000000..9683a6e728 --- /dev/null +++ b/cpukit/score/src/threadqprocesstimeout.c @@ -0,0 +1,57 @@ +/* + * Thread Queue Handler - Process Timeout Handler + * + * + * 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.com/license/LICENSE. + * + * $Id$ + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/system.h> +#include <rtems/score/chain.h> +#include <rtems/score/isr.h> +#include <rtems/score/object.h> +#include <rtems/score/states.h> +#include <rtems/score/thread.h> +#include <rtems/score/threadq.h> +#include <rtems/score/tqdata.h> + +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_BLOCKING_OPERATION_SYNCHRONIZED && + _Thread_Is_executing( the_thread ) ) { + if ( the_thread_queue->sync_state != THREAD_BLOCKING_OPERATION_SATISFIED ) { + the_thread->Wait.return_code = the_thread->Wait.queue->timeout_status; + the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_TIMEOUT; + } + } else { + the_thread->Wait.return_code = the_thread->Wait.queue->timeout_status; + _Thread_queue_Extract( the_thread->Wait.queue, the_thread ); + } +} + |